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I was planning on taking off and inspecting the bottom end today if it looks bad ill but a new one but if its fine I wanna try a nd pick up a forged piston and new connecting rod but the problem is I can't find a website that sells a piston and connecting rod for a yx140 any suggestions

That is me haha hes a good friend of mine

I pulled off my head I bent my connecting rod and I riped my piston into pieces . Also it looks like my valves aren't fully opening so that explains why i wasent getting bottom end power should I replace my valvee spring or just adjust the one I have ?

Hi I have a 140cc thumpstar with a 140cc krp engine I went to go kick it over one night and the kick start wong budge it solid like a rock. I was thinking I might have broken the rod or siezed the engine . I have a feeling my engine is toasted so I'm probably gonna rebuild it but I was wonder if...