Question about Yamaha 12V Air Pump
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Posted on Jan 02, 2017
yes yes yes the new yamahas foul plugs like crazy i dont know if it is a valve defect or what but you will be changing them every year one trick i have been doing to my coustmers watercraft and has been working well insead of ngk cr9eb plugs use a cr8eb it is a hotter plug there for it will burn better and no it will not hurt your ski trust me i have over 15 yrs ex and 6 in r&d research and design
Posted on Jul 08, 2009
SOURCE: 2006 yamaha waverunner wont idle
what is it idle at? how much? remove your seat check air filter if is black oily remove it and see if that fixes your problem you may want to change your spark plugs as well # one cylinder may be starting to foul the new yamahas are the worst for fouling plugs use a cr8eb instead of the cr9eb the 8s are hotter and work better try those and let me know thank you
Posted on Jul 09, 2009
pull out the cat temp sensor and check to see if its bent. if so then its definently your catalist, even if not bent chances are still good it has failed. you need to be sure which light is coming on. does it look like a tube with squigly lines going up?
Posted on Mar 10, 2010
Something was stuck to the intake obstructing flow.
When you shut it off it drifted away.
It is a good practive when in weedy or heavy debree areas to get clear shut the motor off count to 30 then restart and gradualy excelerate to make sure it is clear. used this method for ten years now and seems to work well for me.
Posted on Mar 18, 2010
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