Re: piston sleeves 65 hp
Wiseco got pistons for that engine ,3115P? up to .040" oversize ,
Link to PDF datasheet . .<br />If boring the cylinder up to 3.040" ( STD = 3.0" ) would clean up the damage , this would work .<br />If it´s worth is , thats your call

, Piston = $85 , boring = ?? , other parts = ?? , work = ?? .