mattkline205
Cadet
- Joined
- Jan 12, 2021
- Messages
- 25
I have a 1986 Yamaha 25hp it’s the European model and it has a new fuel pump all new fuel lines under the cowling with a new filter new coil and I have cleaned the carb twice. It will idle perfect but when it’s full throttled it doesn’t seem to reach the rpms that it should it sounds bogged down. I figured it was a fuel pump because at full throttle I squeezed the primer bulb and it took off and the rpms sounded right so I replaced the pump but it won’t do it again even when pumping the bulb. Compression is 120psi both cylinders