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Before trying to start it the 1st time for the dayturn key to on not startand open the throttle fully 2 or 3 times. It got between 45- and 6-MPG depending on load and conditions.
This basic troubleshooting and possible remedies and covers all Yamaha outboard motors.
Yamaha 40 hp 4 stroke problems. Yamaha 40 4 Stroke problem. I have a 2001 Yamaha 4 Stroke 40hp. I have had absolutly no trouble out of this motor until now.
The problem is that it will start and run fine until put under a load in the water. When I put it in gear and try to throttle up it. Series Fuel Induction HP Trim.
B Inshore Series C C Series E Enduro Series F Four Stroke L Counter Rotation P Pro Series S Saltwater Series T High Thrust V VMAX Series. F Four Stroke X OX66 Advanced Fuel Injection Z High Pressure Direct Injection. 25 4 6 8 99 15 20 25 40 50 60 70 75 90 115 150 3.
If youre the proud owner of one of. My friend has a new this season Yamaha 6040 EFI 4-stoke outboard and he is having some fuel flow problems we checkedtraced the fuel lines up to the fuel pump plus the small inline filter just past the fuel pump also drained the bottom of the rectangular aluminum box thing on starboard. 2003 Yamaha 40-HP Four-stroke.
I bought a 2003 Yamaha 40-HP four-stroke yesterday and ran it for the first time today. It was winterized prior to the sale. It runs great at a low idle and can accelerate to high RPM under no load.
When in the water and I. By Posted on September 22 2021 Leave a comment on yamaha 40 hp 4 stroke problems. When its completely charged reinstall the battery and cables.
Remember to connect the positive first and the negative second. Once thats done you can try the Yamaha outboards starter again. If its still not starting youll want to consult a professional to inspect the electrical system.
Check the engine oil levels next. Ensure that the outboard motor is in an upright and level position. Then remove the oil filler cap and the connected dipstick from the oil tank.
Wipe the dipstick with a cloth reinsert it fully then remove it and check the oil mark on the side of the dipstick. The Yamaha outboard forum marine engines will help you find answers to Yamaha outboard problems 4 stroke Yamaha outboard problems 4 stroke Yamaha 40 hp 4 stroke problems Yamaha 200 outboard problems Yamaha 4 stroke outboard problems Yamaha 50 hp 4 stroke problems Yamaha 60 hp 4 stroke problems and Yamaha 70 hp 2 stroke problems plus a lot more as well. Yamaha Four-Stroke Outboard Motor Corrosion Defect Complaint.
The complaint for this lawsuit alleges that Yamaha Motor Corporation USAYamaha 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. My Yamaha 40 HP Carburetor was giving me sputtering problems and would shut off. I cleaned the Carburetors and put them back on and the problem still persist.
Allegedly this defect allows hot gases to corrode the exhaust passages which in turn can lead to holes in the passages and can eventually cause a loss of horsepower smoking and engine failure. Unfortunately for consumers this alleged defect cannot be readily discovered and is hidden in the engines internal aluminum exhaust component coatings. Yamaha Four Stroke 40HP Outboard Engine quantity Request a Quote Powerful efficient and reliable the F40 combines the benefits of Yamahas Multi-Point Electronic Fuel Injection EFI system with a Micro-Processor Controlled System to deliver reliable turnkey hot and cold starting improved fuel economy incredible mid-range torque lower emissions and an overall smoother and quieter operation.
A problem in the fuel compression or ignition systems can cause poor starting loss of power or other problems. This basic troubleshooting and possible remedies and covers all Yamaha outboard motors. Therefore some items may not apply to your model.
If any more questions please consult your Yamaha dealer or the experienced service shops. Yamaha 4hp 4stroke cooling problemWater tell tale is very hot and engine gaz in water tell tale. What can be the problem.
Thermostat gasketsEngine makes. F40TLR Problems Running. My 2001 Yamaha F40TLR outboard is having a few problems running.
I just had the carbs professionally cleaned and synchronized by a mechanic. However when I push the throttle too quickly or let off too quickly the motor stalls. It seems like this is a common problem with these F40 motors.
About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators. This fuel pump fits the Yamaha 40HP F40 4-stroke outboards 1999 and Newer. These fuel pumps are in stock and ship out the same business day if ordered before 3PM Eastern - after 3PM they will ship out next business day.
Our flat rate shipping is USPS Priority which is 2-3 business days to most of the US. UPS Next Day and Second Day Air is. Yamaha 4 Stroke - Starting difficulties.
I had the same problem with my F40 Yamahaonly on the first start of the daywhich doesnt even have a chokeHas an electronic primer. But was advised here by severalto do this. Before trying to start it the 1st time for the dayturn key to on not startand open the throttle fully 2 or 3 times.
Simply select your outboards make year HP and model and pick the OEM parts you need for your engine. For example on the Yamaha 250HP LF250TXR outboard parts page click on Fuel 1 to find the primary fuel filter. Click on Fuel Injection Pump 1 to find the fuel pump.
And click on Fuel Injection Pump 2 to find the secondary fuel filter. I bought a Yamaha 100-HP four-cycle outboard motor when they first came out and put it on my 16. It got between 45- and 6-MPG depending on load and conditions.
I got it serviced every year and it ran like a top. I put about 100 hours a year on it for four years. I sold the boat three years ago and have stayed in touch with the.
I currently have a 40 HP Mercury on one of my tenders. Supposedly the block was made by Yamaha in that year. It has been a goodz reliable motor.
I have had experience with the Honda in that range and it was a positive one. Last year I purchased a 115. C40TLRV 1997 40 hp 3 cyl 2 stroke.
Used more in winter. Started idling rough toward end of hunting season. Occasional misfire at idle.
Sometimes but not always stalled in idle only when in gear. Didnt investigate that much on water. Brought it home to do annual maintenance.
Put on muffs and miss became a little more regular. A diy video showing the steps to replacing a failed tilt and trim motor on a late model 25 30 40 and 50 hp yamaha 4 stroke outboard.