ok so i just bought a yamaha blaster w/ a 240 big bore kit, aftermarket axle, full exhaust...........aaaannnndd i just found out it has a cracked block.....its a very very small leak......its barely leaked any oil out, but it is leaking......so my father and I put on some jb weld......hoping that this will fix the problem......it should its a tiny ass leak and JB is good stuff.......anyway.......anyone here into quads? if so i would appreciate any advice that you have........thanks