10 FOOT INVADER
Petty Officer 3rd Class
- Joined
- Apr 29, 2007
- Messages
- 94
Re: 1973 mercury 850 not getting over 4200RPM @WOT
I had the same type of problem. 4200 rpm at full throttle. My prop was to deep in the water. The cavitation plate should be level with the bottom of the hull. If the motor is set back off the hull, the cavitation plate needs to be higher.
I had the same type of problem. 4200 rpm at full throttle. My prop was to deep in the water. The cavitation plate should be level with the bottom of the hull. If the motor is set back off the hull, the cavitation plate needs to be higher.