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does anyone know what the measurment of the standard piston was when new im tripping out now and worried my cylinders are too big i went and picked up my block and it was honed to 3.315/6 and i ordered stock rings and pistons thinking he was going to be able to keep it at 3.314 am i screwed ...

ok i will pull the trigger on new pistons and rings soon as i hear back from the machine shop im learning a lot thank you guys for being so helpful i just hope i dont screw this thing up wish me luck

good idea i will def do that hour meters are awesome . are the cheap ebay ones good on boats ? i put one on a dirt bike i had back in the day . another issue i brought motor to machine shop and my piston is 3.302 and my cylinder is 3.314 i wanted to rehone and reassemble but he suggested...

omg this is very good news thank you all i will be starting reassembly today and yes evything looks original the boat sat for a long time i have no clue what the hours are but everything internally was very clean with no indicators of heavy wear or friction only the carbon build up around the...

hello everyone and thank you for reading my post . i have an 86 force 85 hp 3cyl that came with a boat i purchased the motor has tested at 90 psi in all 3 cylinders. i fished in it a few times and it ran ok once started just not much power and not reving past approx 3500 rpm. I decided to...