hey guys i have my base gasket for my left side and i have a compression tester now my ? is the right side is 125 compression and i cant do the left side because that is the side that is leaking so when i tear it apart how am i going to know if i need a top end if i cant check the comprssion on that side.....
becaue when i got it the guys i bought it from just put new piston in the right side not the left ?????