compression +difference
i just installed 1 new piston in my 135hp 1976 johnson i have 155lbs preasure in 3 clys 125 in new cyl. i ran boat for 2 hours had lack of power would not turn over 18oo rpms checked compression again still same ..cleaned carbs seems to run better but i am running on muffs checked all cly for spark smeams ok if it water tests ok what about compression difference. if still bogs ???? bob in south phila
i just installed 1 new piston in my 135hp 1976 johnson i have 155lbs preasure in 3 clys 125 in new cyl. i ran boat for 2 hours had lack of power would not turn over 18oo rpms checked compression again still same ..cleaned carbs seems to run better but i am running on muffs checked all cly for spark smeams ok if it water tests ok what about compression difference. if still bogs ???? bob in south phila