Hiii...
Looking for some advice and what to look for.
96 Yamaha 2 stroke 30 hp with 3 cylinders is running well with new spark plugs. After 2-3 weeks or approx 10 hours of run time, cylinder 1 and 3 plugs are getting wet fouled (black deposits) and engine is losing power. I am using spark plugs specified in the manual. Set up a tiny tach and cylinder 2 is showing WOT 4200 RPM, but 1 and 3 are only reaching 2000 RPM at WOT. Compression is 120 on all 3 cylinders.
Any help would be much appreciated.
Thanks!
I didn't find the right solution from the Internet.
References:-http://ift.tt/2wQ6cCq
2d Animation Videos
Yamaha 30 hp not running at full powerLooking for some advice and what to look for.
96 Yamaha 2 stroke 30 hp with 3 cylinders is running well with new spark plugs. After 2-3 weeks or approx 10 hours of run time, cylinder 1 and 3 plugs are getting wet fouled (black deposits) and engine is losing power. I am using spark plugs specified in the manual. Set up a tiny tach and cylinder 2 is showing WOT 4200 RPM, but 1 and 3 are only reaching 2000 RPM at WOT. Compression is 120 on all 3 cylinders.
Any help would be much appreciated.
Thanks!
I didn't find the right solution from the Internet.
References:-http://ift.tt/2wQ6cCq
2d Animation Videos
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