i reacentley got another 03 raptor 660 and it had threw a rod through the cases i have replaced it but im wondering what caused this ? the oil pump works . i noticed a dent in the radiator but no leeks would that caus it to over heat and throw a rod ? the one way is great the clutch plate on the back was shattered . the piston and jug were stock and are again stock with high com piston 11.1-1 i dont want to start it and have it fall apart is there anything i should cheak first ?