Mend Johnson 8 hp Powerboats

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8 hp johnson WOT slow?

Any ideas on a 1991 8hp johnson---runs smooth at idle--only does 8 mph on a 12 light alum boat....doesn't seem to rev to its highest rpm.

Remer and Sherry Collins
August 2011

Johnson 8 hp Boats, Powerboats

Check the pitch of the prop, this is like gearing, if to steep you will not reach max revs, if to shallow will over rev.

pedrodeltorre
October 2011

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