I have a 98 90 hp 2 stroke Yamaha that when cold started seems stuck in high rpm. In the past it had the 3 stage kickdown as it warmed up. Now this high rpm will last approximately 20 minutes after I get on the water. Also i can not get the boat to go above mid range rpm or even on plane even...
I will try to keep this short but give as much info as possible. I purchased a boat with this motor on it but it was not rigged just bolted to transom. Owner had taken motor off boat and had carbs rebuilt, waterpump, and trim motor replaced. On the way home from mechanic, the owner dropped motor...
I am working on a 1988(?) 90 HP Yamaha 2 Stroke. It was on a boat that I purchased that the couple had the motor off to have carbs rebuilt and trim tilt replaced. The Man passed away after putting motor back on boat but before attaching all the harnesses back together. My question is can someone...