two stroke

  1. G

    Exhaust Muffler doesn't fit

    I recently bought an expansion chamber for my two-stroke, 49cc motorbike, and it doesn't fit. The tip of the muffler runs into the down post, which means that the muffler doesn't attach or sit correctly to the muffler engine bolts. What can I do to make it fit? Is there some sort of muffler...
  2. Chucklittle14

    Cdh66 expansion chamber

    Ok, to start off, what is the deal with the racing expansion chambers (mz65, cdh66, bbr tuning deluxe expansion chamber, zeda88 exhaust) are the all the same? Do they increase top speed by a noticeable difference? Better than a banana expansion chamber?
  3. kuliffix

    How to Motorized Bicycle

    Hello guys, I also built a motorized bike. In these videos is a sort of guide on how to assemble a engine kit for a bike, In which are shown issues that I had to deal with during the montage and their resolves. The bicycle rim was a testing one, to test out how the engine and all the parts...
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