It could also be a head gasket. Motor warms up thermostat opens up lets water in cylinder presto no power. I had a 15 h.p. do the same thing.
Printable View
It could also be a head gasket. Motor warms up thermostat opens up lets water in cylinder presto no power. I had a 15 h.p. do the same thing.
Good thought mean green. i will definately update once this is solved