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Discussion in 'High Performance Bicycle Engine Tips and Motorized' started by shiveralex, Apr 11, 2017.
That pipe is the real deal look for the mz 65. If you're good at welding the kx 65 is better
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.
These pipes are pretty good.
you can easily cut the header pipe & make it a little longer (or shorter) to tune it.
I've got one as a budget pipe its better than stock. I found with mine that the flange over lapped the pipe by quite a margin and dremeled that out to open it up