was riding in McCall last winter and seized the motor. lifted the hood and noticed it hardly used any oil after 46 miles into this ride. towed it back and now tearing it down and found that the clutch side jug and piston are shot the magneto side looks good but some scoring on the piston and bottom of jug. I have bought new jugs and pistons but need some guidance in how to fix this problem. sled only had 935miles on it and have no mods.