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  1. max.burdine

    Having trouble with my trailmaster 150xrx gy6 engine not starting. Any help or opinions would be greatly appreciated!

    Would a big bore kit fix those issues? Whooolllle lot cheaper for the whole 61mm drop in kit that includes cylinder, cylinder head, piston, and piston rings? Like this: https://a.co/d/aDCcaN4 Also is it possible I have a bad CDI that's not supplying enough power to spark in the plug? Or is it...
  2. max.burdine

    Having trouble with my trailmaster 150xrx gy6 engine not starting. Any help or opinions would be greatly appreciated!

    Only when I first cranked it evert time. Smoked alot of white smoke... after 5ish mins no smoke at all.
  3. max.burdine

    Having trouble with my trailmaster 150xrx gy6 engine not starting. Any help or opinions would be greatly appreciated!

    So about 2 months ago I got a trailmaster 150xrx given to me from a buddy of mine because it wasn't running. I changed the oil and swapped in a new 23$ amazon carburetor and it ran smooth but top speed on flat was only getting about 28mph.... so that's when I started doing upgrades. In total...
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