upgrade

  1. greenjon

    Clutch Cheap and best HS142F Clutch & Bell?

    I've heard that the clutch in the 49cc HS142F 4-stroke kits may not be sized properly to the bell. I've heard that two solutions are to buy a heavy duty clutch with larger springs, or to buy a bell that is ~.250" smaller. Can anyone provide links to the cheapest and best solutions? I'm aware of...
  2. keagan

    Gt90 build help and tips

    Hello! I'm Keagan and I own a GT5 motorized bike I'm wanting to upgrade it and I bought gt90 conversion kit and wanted to get a new frame with a built in gas tank with front spring mounts the only one I have found this one. I don't want to spend over 500 on the frame as that's already quite a...

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