Bicylce-Engines expansion chamber

Discussion in 'High Performance Bicycle Engine Tips and Motorized' started by shiveralex, Apr 11, 2017.

  1. wildwood

    wildwood Member

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    That pipe is the real deal look for the mz 65. If you're good at welding the kx 65 is better
     
  2. bairdco

    bairdco a guy who makes cool bikes

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    Once you tune your engine, the basic x chamber should have a 6" OD belly, with the appropriate diffuser and convergent cones. A KTM 50-80 pipe is about right, but you have to cut and weld to make it work.

    I've yet to see a pipe that's not just a re-purposed pocket bike pipe that actually works.
     
  3. Venice Motor Bikes

    Venice Motor Bikes Custom Builder / Dealer/Los Angeles

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