49cc dirt bike help

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  1. B

    CRF50 Clone NEED Help

    My CRF50 fully automatic 49cc 4 stroke clone motor is not running right, it has barely any power. Starting from a standstill takes longer than it should and it can barely climb the slightest inclines. Just put new gaskets on the top end. Compression test read 145psi. I have tried messing with...
    • beastly
    • Thread
    • 49cc dirt bike help chinese clutch crf50 tuning
    • Replies: 2
    • Forum: Chinese Mini's
  2. B

    49cc help!?

    hey guys first off I don't no that much about motorbikes, but today I was at the tip and there was one of those 49cc dirt bikes, I took it home and it starts fine but the back tyre doesn't move? any thoughts of what this might be ( and this is only to muck around on not spending much money) :)
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