Thanks for the response, still wondering if I can replace it with another make of engine if they all bolt in the same way or are they different how they bolt up? We only paid $300 for it which isn"t much but my son is very disappointd as it hasn't lasted long after xmas & we can't afford to buy...
I have bought a 2nd hand 125cc pocket/pit bike for my son for x-mas & don't know much about them. It's been working gr8 until it started to jump out of gear every now & again. Thinking it might have been my son's fault as he is just learning to use gears & clutch, I didn't worry about it until...