Yamaha 4 stroke outboard fuel pump problems

Feb 12, 2022 · 2015 Yamaha 115 4 Stroke Problems. 1. Limited Water Outflow. One of the more common issues that many anglers have pointed out is that sometimes the water will stop coming from the outlet, and it will have a direct impact on the system’s performance. Now, this issue can be traced back to clogged water lines or a defective water pump. Gas in oil on 4 stroke outboard; SLABSAUCE ... They call it "making oil". All over the place on reasons. But seam to settle on bad fuel pump. Any body had this issue? 02-11-2017, 07:06 PM #2. Cray. View Profile ... Many of the manufactures have updated to a higher temp thermostat to help this problem. 02-12-2017, 11:18 AM #4. johndeere5045 ...By the 1970's Yamaha had launched its engines within the US market for commercial use. Over half a century later and Yamaha Outboard motor is a global mega-brand and continues to supply the marine industry with 2-stroke, 4-stroke, VMAX and Enduro outboard motors. Marine Parts Warehouse offers used OEM, Remanufactured, and New aftermarket and ...Yamaha Outboard Parts. Yamaha Outboard; Mercruiser Inboard Sterndrive Parts. ... Fuel Pump Yamaha Mercury 225 4 Stroke 2002-2010 Cross Ref #: 1-32 ... Possible the accelerator pump nozzle is clogged. But even if the nozzle is clogged you should be able to get the motor to run at high speed by ever so slowly advancing the throttle. When was the last time the carburetor was completely dismantled and thoroughly cleaned in a heated ultrasonic cleaner? tomgarter Junior Member Join Date: Jul 2016Outboard 2 stroke vs 4 stroke - fuel consumption : Evinrude (2 stroke ) Mercury Optimax (2 stroke ) Mercury ( 4 stroke ) Yamaha ( 4 stroke ). Manual. View the manual for the Mercury 150 Fourstroke (2014 ) here, for free. This manual comes under the category Outboard motors and has been rated by 7 people with an average of a 7. 4 ...Instant Download Manuals for Yamaha Outboard Engines 2.5 HP 4 HP 6 HP 8 HP 9.9HP 15HP 20 HP 25 30 40 48 50 55 60 70 75 90 100 115 130 150 200 225 250 HP 4-Stroke & 2 Stroke Models. HOME DOWNLOAD A YAMAHA OUTBOARD ENGINE SERVICE MANUAL STRAIGHT TO YOUR COMPUTER IN JUST SECONDS!Fuel System. Your Yamaha outboard’s fuel system is an electronically-controlled system that injects a precise amount of atomized fuel into the engine’s cylinders. Main components within the fuel system include the fuel pump, fuel filter, check valves, fuel hoses, fuel pump diaphragm, injectors and more. Aug 08, 2011 · Anyone ever have problems with the VST on their Yamaha 4 Stroke? My port fuel pump went this weekend on a engine with only 95 hours. The dealer is saying they need to replace the pump and VST. They are doing both engines and charging $1,200 to replaces both VST filters. Price seems steep to change a few filters. Aug 12, 2012 · To me it sounds like fuel starvation at full power. I've changed the line from the tank to the o/b. Cleaned the coarse filter in the tank. Changed the in-line filter. Checked the diaphragm in the motor's mechanical fuel pump. Even spliced in an electric fuel pump (rated at 170l/min) and by-passed the mechanical pump but the problem is still there. 2003 Yamaha 115 4 Stroke Problems. 1. Fuel Pump Problems. The most common issue that users report about this engine is that the fuel pump will give out at random intervals. Now, it can be quite difficult to deal with this issue when you're traveling far from shore. If you're in a similar situation and the engine is not performing in a ...I bought my first outboard at the beginning of last summer (its a Tohatsu 4 stroke 2.5HP that goes on my dinghy in the sea) - at the end of the summer I drained all the fuel from it. Having recently filled it up again it was initially leaking fuel fairly fast from (it appeared to me) around the carburettor.Yamaha Outboard Parts. Yamaha Outboard; Mercruiser Inboard Sterndrive Parts. Mercruiser 4 Cyl 1.6 2.5 3.0L; Mercruiser 4 Cyl 3.7L; ... Fuel Pump Yamaha Mercury 225 4 Stroke 2002-2010 Cross Ref #: 1-32-8825, 69J-24410-00-00, 69J-24410-01-00, 69J-24410-02-00, 888251T, 888251T01, ...RECOGNIZING THE PROBLEM A blocked outboard fuel line prevents fuel from getting to the motor. It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. But blockages don't cure themselves.Fits 2004 and Newer 150 HP 4-Stroke Yamaha Outboards . Shipping Skip to the end of the images gallery Skip to the beginning of the images gallery Why Order From Us?. . . . . Re: 2003 Yamaha 150 HPDI Fuel pressure dropping at higher RPM's monitor medium pressure rail for 50 PSI while monitoring HP pressure while its failing.3) If there's bits of gum in the carb (s) that is loose, it can run ok on idle, but when you put open the throttle & put load on the engine, the sudden demand for lots of fuel can cause gum to get sucked into a fuel jet, blocking it, but it drops back out again when you ease back off the throttle, until you do the same thing again.A unique YDC-30 aluminium alloy and 5-stage exterior paint coating process protects the engine's exterior parts, while high-quality stainless steel componentry throughout the engine, offers long-lasting protection. Engine Type. 4-Stroke, OHV, 1-cylinder. Bore x Stroke (mm) 56 x 31.5 mm. Displacement (cc) How to Troubleshoot a Yamaha 4-Stroke Outboard Motor | It ... Troubleshooting Outboard Fuel Pump Problems When people talk about the fuel pump on an outboard, they're referring to the low pressure fuel pump mounted on the side of the motor. The fuel pump has one job, and that's to pump fuel from the fuel tank to the motor.Replace impeller/water pump housing. Grease points. Visual inspection. 500 Hour Service (Every 500 Hours or 5 Years) Replace engine oil, oil filter, gear oil, spark plugs, and fuel filter. Replace boat-mounted fuel filter. Inspect/grease propeller. Inspect/replace anodes and thermostats. Inspect/replace fuel pump and impeller/water pump housing. Suzuki outboard parts diagramsJul 18, 2022 · Main: At 6 95 Our Price: $15 Four-stroke motors are bigger and heavier than two-strokes, but they are also quieter and much easier on the environment Used Pair 2007 Yamaha 150 HP Four Stroke F150AET 25 Inch Shaft Outboard Motor For SaleUsed Pair 2007 Yamaha 150 HP Four Stroke, Model with only 340 hours, as new in immaculate condition, suit new buyer Oil Drain Kit For Yamaha 4-stroke Outboard ... 1 Answer 2007 Yamaha outboard 4 stroke will not idle and engine dies. Get the boat from the shop and can drive it for about an hour or two with no problem up and down a full range of throttle positions, after a period of time when you shift to idle speed the motor stops.A Yamaha tech walks us through fuel filter maintenance on a four-stroke. If you have a Yamaha four-stroke outboard, you should understand the engine's fuel filter. Actually, fuel filters - there's a number of filters, both inside and outside of the engine. One of these you can service yourself, which our Yamaha tech will explain.Jun 20, 2011 · 2004 Mercury/Yamaha 4-stoke EFI 115hp EXLPT OT812944 1950hrs. Hey guys, questions for you outboard wizards regarding low pressure fuel pumps Here's the situation: ran down to the rockpile yesterday (1 YT in boat, 1 released :D ), boat ran... HERE. SELECT YOUR YEAR AND MODEL OUTBOARD ENGINE BELOW. 1984-1995 Yamaha 2 Through 250 HP Workshop Manual ALL MODELS. 1. 1996-2002 Yamaha 2HP 2 HP Service Manual Outboard ALL MODELS. 1. 2003-2006 Yamaha 2.5HP 2.5 HP Service Manual Outboard ALL MODELS. 1. 1996-2002 Yamaha 3HP 3 HP Service Manual Outboard ALL MODELS. Outboard 2 stroke vs 4 stroke - fuel consumption : Evinrude (2 stroke ) Mercury Optimax (2 stroke ) Mercury ( 4 stroke ) Yamaha ( 4 stroke ). Manual. View the manual for the Mercury 150 Fourstroke (2014 ) here, for free. This manual comes under the category Outboard motors and has been rated by 7 people with an average of a 7. 4 ...This item: Fuel Pump for Yamaha 150, 175, 200, 225, 250, 300 HP, LZ, VZ, V, Z outboard engines, replaces 68F-13907-00-00, 68F-13907-01-00, 60V-13907-00-00 $36.45 Marine Pro O Ring, VST Seal Yamaha V6 EFI 1999 & Up only $20.92 Yamaha 60V-24251-01-00 Strainer 1; Outboard Waverunner Sterndrive Marine Boat Parts $81.57Aug 12, 2012 · To me it sounds like fuel starvation at full power. I've changed the line from the tank to the o/b. Cleaned the coarse filter in the tank. Changed the in-line filter. Checked the diaphragm in the motor's mechanical fuel pump. Even spliced in an electric fuel pump (rated at 170l/min) and by-passed the mechanical pump but the problem is still there. Nov 27, 2011 · Not sure if yours is a yammy 2 stroke or a 4 stroke my son inlaw has a yammy 60 4 stroke he got a bad load of fuel a lot of water too much for his external filter it did the same as yours it would run couple of minutes then stop prime it and away it would go it turned the water had affected the injectors .I could write exactly what happened but to cut a long story short thats what his problem ... The Yamaha 250 Outboard is a steal in terms of 4-stroke outboards. It is lightweight and enduring. On top of that, cutting-edge technology provides the best performance. In terms of expenses, the engine is preferable. Moreover, it is not laden with many common problems. So, my final verdict is to go for the engine if you want a good 4-stroke ... Came on time works perfect so far, used on a 04 mercury 115hp outboard, it's a mercury/yamaha conjunction, mercury dealers over here insist that it's just a mercury witch supposedly uses only mercury parts, we'll mercury parts that I needed didnt fit but yamaha parts did, go figure, aloha from hawaii, I would deffenitly use fuel pump factory again in the future Jun 27, 2017 · This Alert Affects. Consumers who purchased a boat with a Yamaha first-generation F-Series four-stroke outboard motor manufactured between 2000-2005. Damages. Severe corrosion and pitting of exhaust passages, premature engine failure. Companies. Yamaha Motor Corporation, USA. Additional Details. Jun 05, 2008 · I have a 2005 2320 SL with 250 Yami 4 stroke and the boat is in the shop for the second time in less than 2 yrs they have replaced Hi Pressure Pump. I am finding out that are a few others experiencing the same problem with the 2005 model year. Yamaha is claiming that this was not a warranty issue sighting fuel contamination. By the 1970's Yamaha had launched its engines within the US market for commercial use. Over half a century later and Yamaha Outboard motor is a global mega-brand and continues to supply the marine industry with 2-stroke, 4-stroke, VMAX and Enduro outboard motors. Marine Parts Warehouse offers used OEM, Remanufactured, and New aftermarket and ...The following are the 5 most common problems with Yamaha 150 outboard engines to look out for: 1. Failure Issues With The Harmonic Balancer (HB) The Harmonic Balancer or HB is a part of the engine that acts as a shock absorber to remove any unwanted vibration caused by the crank-shaft movement within your engine.Oct 05, 2021 · Be Aware – 5 Common Yamaha F115 4-Stroke Problems 1. Faulty Head Gasket. Over the lifetime of your Yamaha F115, the head gasket will eventually wear down and fail,... 2. Bad Fuel Pump. One of the most common Yamaha 115 4-stroke problems is a bad fuel pump. When a fuel pump malfunctions,... 3. ... Fits 2004 and Newer 150 HP 4-Stroke Yamaha Outboards . Shipping Skip to the end of the images gallery Skip to the beginning of the images gallery Why Order From Us?. . . . . Re: 2003 Yamaha 150 HPDI Fuel pressure dropping at higher RPM's monitor medium pressure rail for 50 PSI while monitoring HP pressure while its failing.Flush bags allow for engine-on flushing without the loud noise of the engine's open exhaust. Keep squirting until the motor dies. ... You’ll need to replace it with one of the s (2000 model) F115TLRY Yamaha 4 Stroke Outboard. ... Sounds like bad injectors had the same problem on my 1999 115 4 stroke. They can be sonicly cleaned for around $300. ... Other issue I've had that was similar to what you described was that the Low and or high pressure fuel pump had gone bad. Based on the injectors being redone and the age of ...Yamaha Four Stroke Maintenance Schedule. Yamaha Outboard Service Tips. Yamaha recommends service intervals based on “typical” use that includes operating at varied speeds, sufficient time for the engine warm up and cool down, medium to light and average cruising speed near 3000 to 4000 rpm range. If your normal operating conditions are ... #3 Sounds like the carburator is gummed up. When an outboard is to be laid up for some time all the fuel should be burned out of it by disconnecting from the tank and allowing it to run until it dies.A. This is referred to as "Making oil". Here it is in a nutshell. Water vapor enters the crankcase of all motors from the atmosphere, and as a by-product of combustion. In other motors, the oil gets rather hot and any water vapor that may condense will steam-off and exit the crankcase breather. 4-stroke outboard motor oil doesn't get ...Many Yamaha 115 4-stroke problems such as starting issues and misfires can come from clogged fuel injectors. Fuel injectors can become clogged due to carbon build-up that prevents a smooth distribution of fuel. When this occurs, your outboard may misfire, vibrate excessively, and bog down during idle or when throttle is applied.May 28, 2021 · You can usually see a part of the diaphragm through a small hole on the back of the pump. Some signs of damage are leaking, stalling, or fuel bubbling in the water. To test it, you’ll need two 10-24 bolts, four washers, and a hose clamp. Clamp and tighten the pump using the bolts and washers. Re: Yamaha 225 4 stroke fuel problem Common problems that are easily fixed to cure stalling at idle speeds are usually a weak primary electric fuel pump or fuel level in hose dropping back into fuel tank while primary pump is in OFF mode. Hook up a fuel pressure gauge to the fuel rail to monitor the pressure that the injectors "see".We will talk about here the problems and want we can do to solve the problem. Problem 1: Heavy Weight The problem appears to have been the weight of 25hp. Well, the mercury also has a common 25hp 4 stroke issues which are completely different Well the weight forced the transom too low. When you tried to hauling you will see that lines back aft.RECOGNIZING THE PROBLEM A blocked outboard fuel line prevents fuel from getting to the motor. It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. But blockages don't cure themselves.Yamaha Four Stroke Maintenance Schedule. Yamaha Outboard Service Tips. Yamaha recommends service intervals based on "typical" use that includes operating at varied speeds, sufficient time for the engine warm up and cool down, medium to light and average cruising speed near 3000 to 4000 rpm range. If your normal operating conditions are ...Jul 03, 2008 · Re: Yamaha 225 4 stroke fuel problem. Common problems that are easily fixed to cure stalling at idle speeds are usually a weak primary electric fuel pump or fuel level in hose dropping back into fuel tank while primary pump is in OFF mode. Hook up a fuel pressure gauge to the fuel rail to monitor the pressure that the injectors "see". Jun 20, 2011 · 2004 Mercury/Yamaha 4-stoke EFI 115hp EXLPT OT812944 1950hrs. Hey guys, questions for you outboard wizards regarding low pressure fuel pumps Here's the situation: ran down to the rockpile yesterday (1 YT in boat, 1 released :D ), boat ran... Jun 12, 2014 · 19 May 2015. Messages. 625. Short answer - YES it is and could be a very serious problem. There should be no leaks whatsoever. Petrol is very inflamable. 4 Jul 2015. #4. Nov 27, 2011 · Not sure if yours is a yammy 2 stroke or a 4 stroke my son inlaw has a yammy 60 4 stroke he got a bad load of fuel a lot of water too much for his external filter it did the same as yours it would run couple of minutes then stop prime it and away it would go it turned the water had affected the injectors .I could write exactly what happened but to cut a long story short thats what his problem ... Fuel System. Your Yamaha outboard’s fuel system is an electronically-controlled system that injects a precise amount of atomized fuel into the engine’s cylinders. Main components within the fuel system include the fuel pump, fuel filter, check valves, fuel hoses, fuel pump diaphragm, injectors and more. I had the same problem with a 2002 Nissan 25hp 4-stroke (de-crated in 2006) on my 13 footer. I would cruise at high RPMs for about 3 or 4 minutes and then the RPMs would suddenly drop and the darn thing just sputtered. I tried all of the things regarding filter, primer bulb, new gas tank, etc. and had the same results.Sierra 18-7837 Fuel Pump Diaphragm for Mercury and Yamaha Engines Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercury and Yamaha Outboards. Interchangeable with: Mercury Marine 84262M Yamaha... Add to CartSuzuki outboard parts diagramsAug 08, 2011 · Anyone ever have problems with the VST on their Yamaha 4 Stroke? My port fuel pump went this weekend on a engine with only 95 hours. The dealer is saying they need to replace the pump and VST. They are doing both engines and charging $1,200 to replaces both VST filters. Price seems steep to change a few filters. Replace impeller/water pump housing. Grease points. Visual inspection. 500 Hour Service (Every 500 Hours or 5 Years) Replace engine oil, oil filter, gear oil, spark plugs, and fuel filter. Replace boat-mounted fuel filter. Inspect/grease propeller. Inspect/replace anodes and thermostats. Inspect/replace fuel pump and impeller/water pump housing. Jul 19, 2022 · This is the high pressure fuel pump, located inside the vapor separator. 2005 Yamaha WaveRunner FX Cruiser FX1000AD/FX1000D ELECTRICAL 3 This part is number 1 on this diagramTip: Yamaha four-stroke outboard timing belts and HPDI ® two-stroke outboard high-pressure fuel pump belts are cogged and Kevlar®-impregnated, making them super-tough and ... #3 Sounds like the carburator is gummed up. When an outboard is to be laid up for some time all the fuel should be burned out of it by disconnecting from the tank and allowing it to run until it dies.May 28, 2021 · You can usually see a part of the diaphragm through a small hole on the back of the pump. Some signs of damage are leaking, stalling, or fuel bubbling in the water. To test it, you’ll need two 10-24 bolts, four washers, and a hose clamp. Clamp and tighten the pump using the bolts and washers. The above are symptoms of fuel injectors that might be gummed-up, dirty, clogged , rusty or those that might have electrical problems. Some of these problems can also be caused by a bad injector connectors, fuel pump or bad gas.. Boat not getting on plane. Scenario 1. The engine on the boat or watercraft runs smooth but the watercraft has a hard time getting on plane.Jul 19, 2022 · Internal gear problems prop shaft is bent sold as is for parts Use with 18-7788 Fuel Pump Kit Interchangeable with: Mallory 9-35326 Yamaha Main: At 6 2006 yamaha f150 4-stroke outboards DOWNLOAD AFTER PAYMENT Our Informative Repair Manual, Owners Manuals and Parts Catalogs Downloads contain all information youll need to perform repairs, look up ... Instant Download Manuals for Yamaha Outboard Engines 2.5 HP 4 HP 6 HP 8 HP 9.9HP 15HP 20 HP 25 30 40 48 50 55 60 70 75 90 100 115 130 150 200 225 250 HP 4-Stroke & 2 Stroke Models. HOME DOWNLOAD A YAMAHA OUTBOARD ENGINE SERVICE MANUAL STRAIGHT TO YOUR COMPUTER IN JUST SECONDS! YAMAHA’s newly released F70 four-stroke marks a further continuation in the evolution of light, powerful and fuel-efficient outboards. According to Yammie, the inline four cylinder F70 is an enhancement of the Japanese engine maker’s popular F60. It shares the same displacement (996cc) and is only marginally heavier (10kg) than the F60. The above are symptoms of fuel injectors that might be gummed-up, dirty, clogged , rusty or those that might have electrical problems. Some of these problems can also be caused by a bad injector connectors, fuel pump or bad gas.. Boat not getting on plane. Scenario 1. The engine on the boat or watercraft runs smooth but the watercraft has a hard time getting on plane.Diagnose and repair a failed fuel pump. This motor was running poorly and stalling repeatedly. The first problem was that the motor would stall and the owner would have to pump fuel back into the...Possible the accelerator pump nozzle is clogged. But even if the nozzle is clogged you should be able to get the motor to run at high speed by ever so slowly advancing the throttle. When was the last time the carburetor was completely dismantled and thoroughly cleaned in a heated ultrasonic cleaner? tomgarter Junior Member Join Date: Jul 2016Sierra 18-7837 Fuel Pump Diaphragm for Mercury and Yamaha Engines Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercury and Yamaha Outboards. Interchangeable with: Mercury Marine 84262M Yamaha... Add to Cart#2 08-27-2008, 19:55 Always run efi outboards with a Racor fuel/water separator. Dealerships won't usually tell you this because they know you will have to end up buying new injectors from them which are spendy. Drain all the fuel lines, pull the injectors and see if they have water in them. Run some STP injector cleaner, probably a couple bottles.October 21, 2015. The complaint for this lawsuit alleges that Yamaha Motor Corporation, U.S.A. (Yamaha) fraudulently sold a line of four stroke outboard motors after it became aware that the engine design had a safety defect that caused component parts to prematurely corrode, in violation of California Consumer and Unfair Competition laws. 1 Answer 2007 Yamaha outboard 4 stroke will not idle and engine dies. Get the boat from the shop and can drive it for about an hour or two with no problem up and down a full range of throttle positions, after a period of time when you shift to idle speed the motor stops.3) If there's bits of gum in the carb (s) that is loose, it can run ok on idle, but when you put open the throttle & put load on the engine, the sudden demand for lots of fuel can cause gum to get sucked into a fuel jet, blocking it, but it drops back out again when you ease back off the throttle, until you do the same thing again.Jul 14, 2009 · The ignition system on outboards consist of stators, triggers, and power packs.The most important thing on outboards is to check the timing advance, if the timing is off even slightly it cause a a myriad of problems, it could not start, cut out, run good to some RPM and then die out. To do more in depth testing you will require a DVOM and the ... An outboard motor that doesn't run smoothly fails to deliver maximum power (or get up on a plane), struggles to idle, or stalls regularly could be experiencing fuel pump problems. However, this could apply to any outboard engine, not just the Yamaha 250. The modern outboard engine has a very complicated fuel system.We purchased 5 Yamaha F15SMHA four stroke outboard motors for our 5 brand new Zodiac 420's. The fuel efficiency is great but I don't like the fact that electric start is not available, especially...Yamaha Four Stroke Maintenance Schedule. Yamaha Outboard Service Tips. Yamaha recommends service intervals based on "typical" use that includes operating at varied speeds, sufficient time for the engine warm up and cool down, medium to light and average cruising speed near 3000 to 4000 rpm range. If your normal operating conditions are ...Feb 12, 2022 · 2015 Yamaha 115 4 Stroke Problems. 1. Limited Water Outflow. One of the more common issues that many anglers have pointed out is that sometimes the water will stop coming from the outlet, and it will have a direct impact on the system’s performance. Now, this issue can be traced back to clogged water lines or a defective water pump. Yamaha Four Stroke Maintenance Schedule. Yamaha Outboard Service Tips. Yamaha recommends service intervals based on “typical” use that includes operating at varied speeds, sufficient time for the engine warm up and cool down, medium to light and average cruising speed near 3000 to 4000 rpm range. If your normal operating conditions are ... Gas in oil on 4 stroke outboard; SLABSAUCE ... They call it "making oil". All over the place on reasons. But seam to settle on bad fuel pump. Any body had this issue? 02-11-2017, 07:06 PM #2. Cray. View Profile ... Many of the manufactures have updated to a higher temp thermostat to help this problem. 02-12-2017, 11:18 AM #4. johndeere5045 ...8 reviews. FPF Fuel Pump 6CB-24410-00-00 for Yamaha Outboard 200-350HP. $199.99. 6 reviews. FPF Outboard Fuel Pump 66K-13907-00-00 / 67H-13907-00-00 18-7341 For Yamaha 1999-2003, $129.99. 6 reviews. Fuel Pump for 2006 Up Yamaha Outboard 40HP 50HP 60HP Outboard Motor F30 F40 F50 F60 T50 T60 Replace OE # 6C5-24410-00.You need to empty your fuel tank, put in new fuel mixed with Startron stabilizer. Stabil would be good also. 2) Check the second fuel filter on the fuel line under cowling. If dirty, replace it. 3) Take out all four spark plugs and check if there is black carbon deposit. If yes, note the plug number. Clean all plugs or replace them.Jul 19, 2022 · This is the high pressure fuel pump, located inside the vapor separator. 2005 Yamaha WaveRunner FX Cruiser FX1000AD/FX1000D ELECTRICAL 3 This part is number 1 on this diagramTip: Yamaha four-stroke outboard timing belts and HPDI ® two-stroke outboard high-pressure fuel pump belts are cogged and Kevlar®-impregnated, making them super-tough and ... Jul 19, 2022 · This is the high pressure fuel pump, located inside the vapor separator. 2005 Yamaha WaveRunner FX Cruiser FX1000AD/FX1000D ELECTRICAL 3 This part is number 1 on this diagramTip: Yamaha four-stroke outboard timing belts and HPDI ® two-stroke outboard high-pressure fuel pump belts are cogged and Kevlar®-impregnated, making them super-tough and ... RECOGNIZING THE PROBLEM A blocked outboard fuel line prevents fuel from getting to the motor. It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. But blockages don't cure themselves.Mar 26, 2014 · Its a 2007 model, hasn't really been run hard, it just sat up almost all of last year. I drink it in my coffee, I'm sure it's safe in your engine. Pour it all in the tank, get a can of Seafoam spray, spray the spray in the air intake while engine is running. Motor is running rough and really don't want to pull it? Its a 2007 model, hasn't ... Step:4 Inspect the fuel primer bulb for any existing leaks or cracks and repair or replace, if required. Next, inspect all the internal and external fuel connectors, terminals, and hoses to ensure all the connection is on point. If the fuel filter hose clamps or any other connection seem loose, tighten or replace.Feb 12, 2022 · 2015 Yamaha 115 4 Stroke Problems. 1. Limited Water Outflow. One of the more common issues that many anglers have pointed out is that sometimes the water will stop coming from the outlet, and it will have a direct impact on the system’s performance. Now, this issue can be traced back to clogged water lines or a defective water pump. Fits 2004 and Newer 150 HP 4-Stroke Yamaha Outboards . Shipping Skip to the end of the images gallery Skip to the beginning of the images gallery Why Order From Us?. . . . . Re: 2003 Yamaha 150 HPDI Fuel pressure dropping at higher RPM's monitor medium pressure rail for 50 PSI while monitoring HP pressure while its failing.Jul 19, 2022 · This is the high pressure fuel pump, located inside the vapor separator. 2005 Yamaha WaveRunner FX Cruiser FX1000AD/FX1000D ELECTRICAL 3 This part is number 1 on this diagramTip: Yamaha four-stroke outboard timing belts and HPDI ® two-stroke outboard high-pressure fuel pump belts are cogged and Kevlar®-impregnated, making them super-tough and ... Aug 08, 2011 · Anyone ever have problems with the VST on their Yamaha 4 Stroke? My port fuel pump went this weekend on a engine with only 95 hours. The dealer is saying they need to replace the pump and VST. They are doing both engines and charging $1,200 to replaces both VST filters. Price seems steep to change a few filters. Jun 12, 2014 · 19 May 2015. Messages. 625. Short answer - YES it is and could be a very serious problem. There should be no leaks whatsoever. Petrol is very inflamable. 4 Jul 2015. #4. Anyone ever have problems with the VST on their Yamaha 4 Stroke? My port fuel pump went this weekend on a engine with only 95 hours. The dealer is saying they need to replace the pump and VST. They are doing both engines and charging $1,200 to replaces both VST filters. Price seems steep to change a few filters.Yamaha Outboard Parts. Yamaha Outboard; Mercruiser Inboard Sterndrive Parts. ... Fuel Pump Yamaha Mercury 225 4 Stroke 2002-2010 Cross Ref #: 1-32 ... October 21, 2015. The complaint for this lawsuit alleges that Yamaha Motor Corporation, U.S.A. (Yamaha) fraudulently sold a line of four stroke outboard motors after it became aware that the engine design had a safety defect that caused component parts to prematurely corrode, in violation of California Consumer and Unfair Competition laws. We will talk about here the problems and want we can do to solve the problem. Problem 1: Heavy Weight The problem appears to have been the weight of 25hp. Well, the mercury also has a common 25hp 4 stroke issues which are completely different Well the weight forced the transom too low. When you tried to hauling you will see that lines back aft.How to Troubleshoot a Yamaha 4-Stroke Outboard Motor | It ... Troubleshooting Outboard Fuel Pump Problems When people talk about the fuel pump on an outboard, they're referring to the low pressure fuel pump mounted on the side of the motor. The fuel pump has one job, and that's to pump fuel from the fuel tank to the motor.To start and run, a Yamaha outboard needs a properly timed ignition and correct air/fuel ratio. Also, be sure to check if the emergency shutoff switch cap is in place. If it still won't crank, check the neutral switch. If you hear a clicking sound when the starter motor attempts to engage the flywheel, inspect the starter solenoid. Related PostsNov 14, 2019 · I've changed the line from the tank to the o/b. Cleaned the coarse filter in the tank. Changed the in-line filter. Checked the diaphragm in the motor's mechanical fuel pump. Even spliced in an electric fuel pump (rated at 170l/min) and by-passed the mechanical pump but the problem is still there. Now I'm starting to pull my hair out! HERE. SELECT YOUR YEAR AND MODEL OUTBOARD ENGINE BELOW. 1984-1995 Yamaha 2 Through 250 HP Workshop Manual ALL MODELS. 1. 1996-2002 Yamaha 2HP 2 HP Service Manual Outboard ALL MODELS. 1. 2003-2006 Yamaha 2.5HP 2.5 HP Service Manual Outboard ALL MODELS. 1. 1996-2002 Yamaha 3HP 3 HP Service Manual Outboard ALL MODELS. Fits 2004 and Newer 150 HP 4-Stroke Yamaha Outboards . Shipping Skip to the end of the images gallery Skip to the beginning of the images gallery Why Order From Us?. . . . . Re: 2003 Yamaha 150 HPDI Fuel pressure dropping at higher RPM's monitor medium pressure rail for 50 PSI while monitoring HP pressure while its failing.Remove the fuel pump Attach the pressure gauge hose to the outlet Seal the inlet firmly with your thumb Pump the pressure gauge a few times Release your thumb. If the pressure releases, it's a clear sign that the inlet is allowing pressure to escape in either direction and the valves aren't in proper working condition. DiaphragmYamaha Four Stroke Maintenance Schedule. Yamaha Outboard Service Tips. Yamaha recommends service intervals based on “typical” use that includes operating at varied speeds, sufficient time for the engine warm up and cool down, medium to light and average cruising speed near 3000 to 4000 rpm range. If your normal operating conditions are ... The 5 amp fuse feeds more that just the pump. There are also a fuel pump driver and pump relay in the circuit. To answer your questions: 1. Yes not priming the engine may put an extra load on the pump and Yamaha says it may cause premature pump failure. 2. You prime it only when you first start it in the cold but not every time after that. 3.October 21, 2015. The complaint for this lawsuit alleges that Yamaha Motor Corporation, U.S.A. (Yamaha) fraudulently sold a line of four stroke outboard motors after it became aware that the engine design had a safety defect that caused component parts to prematurely corrode, in violation of California Consumer and Unfair Competition laws. October 21, 2015. The complaint for this lawsuit alleges that Yamaha Motor Corporation, U.S.A. (Yamaha) fraudulently sold a line of four stroke outboard motors after it became aware that the engine design had a safety defect that caused component parts to prematurely corrode, in violation of California Consumer and Unfair Competition laws. I had the same problem with a 2002 Nissan 25hp 4-stroke (de-crated in 2006) on my 13 footer. I would cruise at high RPMs for about 3 or 4 minutes and then the RPMs would suddenly drop and the darn thing just sputtered. I tried all of the things regarding filter, primer bulb, new gas tank, etc. and had the same results.Fuel System. Your Yamaha outboard’s fuel system is an electronically-controlled system that injects a precise amount of atomized fuel into the engine’s cylinders. Main components within the fuel system include the fuel pump, fuel filter, check valves, fuel hoses, fuel pump diaphragm, injectors and more. Re: Yamaha 225 4 stroke fuel problem Common problems that are easily fixed to cure stalling at idle speeds are usually a weak primary electric fuel pump or fuel level in hose dropping back into fuel tank while primary pump is in OFF mode. Hook up a fuel pressure gauge to the fuel rail to monitor the pressure that the injectors "see".Tip: Yamaha 4-stroke outboard timing belts and HPDI® 2-stroke outboard high-pressure fuel pump belts are cogged and Kevlar®-impregnated, making them super-tough and non-stretchable. Still, Yamaha recommends they be changed every five years or 1,000 hours. Nov 16, 2006 · A. This is referred to as “Making oil”. Here it is in a nutshell. Water vapor enters the crankcase of all motors from the atmosphere, and as a by-product of combustion. In other motors, the oil gets rather hot and any water vapor that may condense will steam-off and exit the crankcase breather. 4-stroke outboard motor oil doesn’t get ... The above are symptoms of fuel injectors that might be gummed-up, dirty, clogged , rusty or those that might have electrical problems. Some of these problems can also be caused by a bad injector connectors, fuel pump or bad gas.. Boat not getting on plane. Scenario 1. The engine on the boat or watercraft runs smooth but the watercraft has a hard time getting on plane.Anyone ever have problems with the VST on their Yamaha 4 Stroke? My port fuel pump went this weekend on a engine with only 95 hours. The dealer is saying they need to replace the pump and VST. They are doing both engines and charging $1,200 to replaces both VST filters. Price seems steep to change a few filters.There are two other problems that usually occur. One of them is a busted fuse. To check if your fuse is alright, take off your electrical cover first. Then take out the fuse holder using pliers. If it looks like the connection is broken, then you have a busted fuse. If your fuse is okay though, there could be an issue with your battery.3) If there's bits of gum in the carb (s) that is loose, it can run ok on idle, but when you put open the throttle & put load on the engine, the sudden demand for lots of fuel can cause gum to get sucked into a fuel jet, blocking it, but it drops back out again when you ease back off the throttle, until you do the same thing again.The problem might just be a blown fuse that needs to be swapped out. Troubleshooting Outboard Fuel Filters A blocked fuel filter can slow or reduce the amount of fuel reaching the engine. The primary (cup) fuel filter and secondary (in-line) fuel filter should both be inspected regularly and replaced after approximately every 100 hours of use.Flush bags allow for engine-on flushing without the loud noise of the engine's open exhaust. Keep squirting until the motor dies. ... You’ll need to replace it with one of the s 2005 Yamaha 4 Stroke Fuel Pump Problems. Thread starter Its 4 Reels; Start date Jun 5, 2008; Toggle sidebar. Boating Forums. Boating Discussion. Its 4 Reels Member. Nov 2, 2005 739 100 ... OUTBOARD-HP-4U Almost A Member. Feb 23, 2007 116 1 East county Name David Boat Name 220WA sea pro Jun 5, 2008 #8This item: Fuel Pump for Yamaha 150, 175, 200, 225, 250, 300 HP, LZ, VZ, V, Z outboard engines, replaces 68F-13907-00-00, 68F-13907-01-00, 60V-13907-00-00 $36.45 Marine Pro O Ring, VST Seal Yamaha V6 EFI 1999 & Up only $20.92 Yamaha 60V-24251-01-00 Strainer 1; Outboard Waverunner Sterndrive Marine Boat Parts $81.57Aug 08, 2011 · Anyone ever have problems with the VST on their Yamaha 4 Stroke? My port fuel pump went this weekend on a engine with only 95 hours. The dealer is saying they need to replace the pump and VST. They are doing both engines and charging $1,200 to replaces both VST filters. Price seems steep to change a few filters. Flush bags allow for engine-on flushing without the loud noise of the engine's open exhaust. Keep squirting until the motor dies. ... You’ll need to replace it with one of the s This Alert Affects. Consumers who purchased a boat with a Yamaha first-generation F-Series four-stroke outboard motor manufactured between 2000-2005. Damages. Severe corrosion and pitting of exhaust passages, premature engine failure. Companies. Yamaha Motor Corporation, USA. Additional Details.#2 08-27-2008, 19:55 Always run efi outboards with a Racor fuel/water separator. Dealerships won't usually tell you this because they know you will have to end up buying new injectors from them which are spendy. Drain all the fuel lines, pull the injectors and see if they have water in them. Run some STP injector cleaner, probably a couple bottles.Jun 12, 2014 · 19 May 2015. Messages. 625. Short answer - YES it is and could be a very serious problem. There should be no leaks whatsoever. Petrol is very inflamable. 4 Jul 2015. #4. The problem is at full throttle opening. The motor will run for about 10 secs then dies. Idles ok and part throttle is ok. Starts again ok. To me it sounds like fuel starvation at full power. I've changed the line from the tank to the o/b. Cleaned the coarse filter in the tank. Changed the in-line filter.Suzuki outboard parts diagramsJun 12, 2014 · 19 May 2015. Messages. 625. Short answer - YES it is and could be a very serious problem. There should be no leaks whatsoever. Petrol is very inflamable. 4 Jul 2015. #4. Jun 20, 2011 · 2004 Mercury/Yamaha 4-stoke EFI 115hp EXLPT OT812944 1950hrs. Hey guys, questions for you outboard wizards regarding low pressure fuel pumps Here's the situation: ran down to the rockpile yesterday (1 YT in boat, 1 released :D ), boat ran... Jul 03, 2008 · Re: Yamaha 225 4 stroke fuel problem. Common problems that are easily fixed to cure stalling at idle speeds are usually a weak primary electric fuel pump or fuel level in hose dropping back into fuel tank while primary pump is in OFF mode. Hook up a fuel pressure gauge to the fuel rail to monitor the pressure that the injectors "see". Yamaha Four Stroke Maintenance Schedule. Yamaha Outboard Service Tips. Yamaha recommends service intervals based on “typical” use that includes operating at varied speeds, sufficient time for the engine warm up and cool down, medium to light and average cruising speed near 3000 to 4000 rpm range. If your normal operating conditions are ... Possible the accelerator pump nozzle is clogged. But even if the nozzle is clogged you should be able to get the motor to run at high speed by ever so slowly advancing the throttle. When was the last time the carburetor was completely dismantled and thoroughly cleaned in a heated ultrasonic cleaner? tomgarter Junior Member Join Date: Jul 20168 reviews. FPF Fuel Pump 6CB-24410-00-00 for Yamaha Outboard 200-350HP. $199.99. 6 reviews. FPF Outboard Fuel Pump 66K-13907-00-00 / 67H-13907-00-00 18-7341 For Yamaha 1999-2003, $129.99. 6 reviews. Fuel Pump for 2006 Up Yamaha Outboard 40HP 50HP 60HP Outboard Motor F30 F40 F50 F60 T50 T60 Replace OE # 6C5-24410-00.Mar 26, 2014 · Its a 2007 model, hasn't really been run hard, it just sat up almost all of last year. I drink it in my coffee, I'm sure it's safe in your engine. Pour it all in the tank, get a can of Seafoam spray, spray the spray in the air intake while engine is running. Motor is running rough and really don't want to pull it? Its a 2007 model, hasn't ... Bstowers, All fuel has some water in it. de 17/01/2022 · 2000 Mercury 90 hp ELPTO 2-Stroke 20" Outboard Boa 100% Authentic 2000. Warranty is 100%, except for owner negligence. All warranty work must be performed by Outboard Exchange. Contact us here. or give us a call 860-437-0060. YAMAHA’s newly released F70 four-stroke marks a further continuation in the evolution of light, powerful and fuel-efficient outboards. According to Yammie, the inline four cylinder F70 is an enhancement of the Japanese engine maker’s popular F60. It shares the same displacement (996cc) and is only marginally heavier (10kg) than the F60. HERE. SELECT YOUR YEAR AND MODEL OUTBOARD ENGINE BELOW. 1984-1995 Yamaha 2 Through 250 HP Workshop Manual ALL MODELS. 1. 1996-2002 Yamaha 2HP 2 HP Service Manual Outboard ALL MODELS. 1. 2003-2006 Yamaha 2.5HP 2.5 HP Service Manual Outboard ALL MODELS. 1. 1996-2002 Yamaha 3HP 3 HP Service Manual Outboard ALL MODELS. Clean and fresh regular unleaded gasoline should be used on a four-stroke engine. The gasoline should be a minimum of 87 octane, and up to 10 percent ethanol or 15 percent methyl tertiary butyl ether is acceptable for use. ... Change fuel brands or providers if engine problems occur. For altitudes above 5,000 feet, perform a high-altitude ...Sierra 18-7837 Fuel Pump Diaphragm for Mercury and Yamaha Engines Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercury and Yamaha Outboards. Interchangeable with: Mercury Marine 84262M Yamaha... Add to CartInstant Download Manuals for Yamaha Outboard Engines 2.5 HP 4 HP 6 HP 8 HP 9.9HP 15HP 20 HP 25 30 40 48 50 55 60 70 75 90 100 115 130 150 200 225 250 HP 4-Stroke & 2 Stroke Models. HOME DOWNLOAD A YAMAHA OUTBOARD ENGINE SERVICE MANUAL STRAIGHT TO YOUR COMPUTER IN JUST SECONDS! And particularly on smaller, carbureted motors, the fuel system should be drained down every time the boat will sit unused for more than a few days at a time. The first step in this process is to start the engine, and disconnect the fuel line. Then let the engine idle until it runs out of fuel.simply unbolt it leaving the fuel lines attached. pump the primer. if fuel leaks its ruptured if it doesn't its ok. AWESOME!! Thanks!! On my model it looks t o be 3 phillps screws holding it on the back of the motor...should be pretty simple! 2002 19ft. Baystealth 1888 with Yamaha F115 (4 stroke) 2002 15ft Alumacraft with 25 Yamaha 4 strokeJun 20, 2011 · 2004 Mercury/Yamaha 4-stoke EFI 115hp EXLPT OT812944 1950hrs. Hey guys, questions for you outboard wizards regarding low pressure fuel pumps Here's the situation: ran down to the rockpile yesterday (1 YT in boat, 1 released :D ), boat ran... Squeeze the fuel primer bulb while the motor is running. If the motor runs rough when operating a high speeds, and if the motor smooths out when you squeeze the bulb, replace the fuel filters, clean out the fuel lines and repeat the test. If the results are the same, replace the fuel pump; if not, continue your boating activity.The problem might just be a blown fuse that needs to be swapped out. Troubleshooting Outboard Fuel Filters A blocked fuel filter can slow or reduce the amount of fuel reaching the engine. The primary (cup) fuel filter and secondary (in-line) fuel filter should both be inspected regularly and replaced after approximately every 100 hours of use.RECOGNIZING THE PROBLEM A blocked outboard fuel line prevents fuel from getting to the motor. It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. But blockages don't cure themselves.Clean and fresh regular unleaded gasoline should be used on a four-stroke engine. The gasoline should be a minimum of 87 octane, and up to 10 percent ethanol or 15 percent methyl tertiary butyl ether is acceptable for use. ... Change fuel brands or providers if engine problems occur. For altitudes above 5,000 feet, perform a high-altitude ...Yamaha Outboard Parts. Yamaha Outboard; Mercruiser Inboard Sterndrive Parts. Mercruiser 4 Cyl 1.6 2.5 3.0L; Mercruiser 4 Cyl 3.7L; ... Fuel Pump Yamaha Mercury 225 4 Stroke 2002-2010 Cross Ref #: 1-32-8825, 69J-24410-00-00, 69J-24410-01-00, 69J-24410-02-00, 888251T, 888251T01, ...View parts diagrams and shop online for F150TXRC : 2004 Outboard 150hp. Offering discount prices on OEM parts for over 50 years. FAST $4.95 shipping available.May 28, 2021 · You can usually see a part of the diaphragm through a small hole on the back of the pump. Some signs of damage are leaking, stalling, or fuel bubbling in the water. To test it, you’ll need two 10-24 bolts, four washers, and a hose clamp. Clamp and tighten the pump using the bolts and washers. RECOGNIZING THE PROBLEM A blocked outboard fuel line prevents fuel from getting to the motor. It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. But blockages don't cure themselves.Bstowers, All fuel has some water in it. de 17/01/2022 · 2000 Mercury 90 hp ELPTO 2-Stroke 20" Outboard Boa 100% Authentic 2000. Warranty is 100%, except for owner negligence. All warranty work must be performed by Outboard Exchange. Contact us here. or give us a call 860-437-0060. Jul 19, 2022 · This is the high pressure fuel pump, located inside the vapor separator. 2005 Yamaha WaveRunner FX Cruiser FX1000AD/FX1000D ELECTRICAL 3 This part is number 1 on this diagramTip: Yamaha four-stroke outboard timing belts and HPDI ® two-stroke outboard high-pressure fuel pump belts are cogged and Kevlar®-impregnated, making them super-tough and ... Jul 14, 2009 · The ignition system on outboards consist of stators, triggers, and power packs.The most important thing on outboards is to check the timing advance, if the timing is off even slightly it cause a a myriad of problems, it could not start, cut out, run good to some RPM and then die out. To do more in depth testing you will require a DVOM and the ... 25. Turn off the motor and allow it to cool. Then, recheck the engine oil and lower unit oil levels, and top them off if necessary. If you're planning on installing new spark plugs for the boating season, now is a good time to do it. That wraps up our Yamaha 4-stroke outboard spring maintenance checklist.Suzuki outboard parts diagramsJun 27, 2017 · This Alert Affects. Consumers who purchased a boat with a Yamaha first-generation F-Series four-stroke outboard motor manufactured between 2000-2005. Damages. Severe corrosion and pitting of exhaust passages, premature engine failure. Companies. Yamaha Motor Corporation, USA. Additional Details. To me it sounds like fuel starvation at full power. I've changed the line from the tank to the o/b. Cleaned the coarse filter in the tank. Changed the in-line filter. Checked the diaphragm in the motor's mechanical fuel pump. Even spliced in an electric fuel pump (rated at 170l/min) and by-passed the mechanical pump but the problem is still there.Yamaha Outboard Parts. Yamaha Outboard; Mercruiser Inboard Sterndrive Parts. ... Fuel Pump Yamaha Mercury 225 4 Stroke 2002-2010 Cross Ref #: 1-32 ... Oct 05, 2021 · Be Aware – 5 Common Yamaha F115 4-Stroke Problems 1. Faulty Head Gasket. Over the lifetime of your Yamaha F115, the head gasket will eventually wear down and fail,... 2. Bad Fuel Pump. One of the most common Yamaha 115 4-stroke problems is a bad fuel pump. When a fuel pump malfunctions,... 3. ... Re: Yamaha 225 4 stroke fuel problem Common problems that are easily fixed to cure stalling at idle speeds are usually a weak primary electric fuel pump or fuel level in hose dropping back into fuel tank while primary pump is in OFF mode. Hook up a fuel pressure gauge to the fuel rail to monitor the pressure that the injectors "see".Nov 27, 2011 · Not sure if yours is a yammy 2 stroke or a 4 stroke my son inlaw has a yammy 60 4 stroke he got a bad load of fuel a lot of water too much for his external filter it did the same as yours it would run couple of minutes then stop prime it and away it would go it turned the water had affected the injectors .I could write exactly what happened but to cut a long story short thats what his problem ... 1 Answer 2007 Yamaha outboard 4 stroke will not idle and engine dies. Get the boat from the shop and can drive it for about an hour or two with no problem up and down a full range of throttle positions, after a period of time when you shift to idle speed the motor stops.Aug 08, 2011 · Anyone ever have problems with the VST on their Yamaha 4 Stroke? My port fuel pump went this weekend on a engine with only 95 hours. The dealer is saying they need to replace the pump and VST. They are doing both engines and charging $1,200 to replaces both VST filters. Price seems steep to change a few filters. xo