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'.
I have a Grady White gulfstream with twin 1989 Yamaha 130 outboards. Recently my port engine has been shaking while at idle and fast idle. As the engine is reved up it seems to smooth out, but will only rev to 3500 rpms whereas the starboard revs to 5200 at full throttle. It has a throaty sound...
