last summer 7-19-01 i bought a rebuilt 125 force 1989 motor from the local marina used it two times last year three times this year ,no. 4 clylinder has a broken ring and it took a tiny piece of the piston.the compression in that hole is about 50lbs.the rest around 145. the ? is ,is the dealer that rebuilt that motor liable for it .or do i pay to have a new piston put in no. 4 hole the wall is clean.<br /> thanks