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  • Its a late model, Take a cresant wrench and put it on the crank where the con rod bolts on and tighten it there so you can measure the jaws, then post up the measurement.
    J
    Jevincj
    I did post them 1.185 crankshaft and .625 piston pin. It’s the length that I don’t know
    Do you know how old it is? is it a points motor? can you post up the engine numbers?
    J
    Jevincj
    I think it’s from the 80’s or 90’s hh70-140057 ser 90-250 or 80-250 looks like 90.
    J
    Jevincj
    No points.
    The hh70 engine is a heavy beast and I don't know of anybody using them for a mini bike because of that.
    J
    Jevincj
    I’m not really concerned with weight of the engine. It’s nice that it’s not a throw away built engine.
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