Re: 1988 85 hp force 856x8a
It could be either 2 to 1 or 1.76 to 1. Put the engine in forward gear and turn the prop backward by hand until it locks against the drive dogs. Mark the prop. Then turn the flywheel two turns. If the prop turns exactly one turn the ratio is 2 to 1. If it turns about 1 1/4 times, the ratio is 1.76 to 1.
I may be a little off on the 1.76 since I forget the number of teeth on the pinion and drive gears, but is will be 1.7 something or close.
