FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
It runs ok up til 2500 rpm more throttle it stumble, goes bad up to 3500 rpm. From 3500 rpm to Max it runs great. The engine stuble until the boat goes to plane.
Ja det er F40 B
F 40 BET modell. Den er ok opp til 2500 rpm så snubler den, går dårlig opp til 3500rpm. Fra 3500 til maks går den utmerket. Det snubler helt til båten går i plan
Hi,
My Yamaha F40, 40 horsepower.
It idels great also more than 3500rpm full power.
It runs bad between 2400-3500rpm.
What is the problem?
Best regards
Petter
