Homebuilt 200cc Engine Turns This Bike Into A Motorcycle


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Using reclaimed Volkswagen parts, hand-machined pushrods, crankshaft, and cylinder head, and host of other scrapped and borrowed parts, this Finnish tinkerer made a releasable motor which he can activate at any time from the top tube of his bicycle. With a roller that lays on the wheel, he brings the bike up to speed and then the motor maintains the speed he set by his pedaling. It's loud and obnoxious but this is a prototype that works.