Source: Pipeburn –

[[{“value”:”You don’t have to be a seasoned veteran of the custom motorcycle scene to know that the BMW R airheads have been the donor bike of choice for quite a few years now. It makes sense, a reliable air-cooled engine and a simple tube frame, but all of that means that unmolested examples are now both hard to find and frankly ridiculously priced. So, thinking logically, Nikolai Yazikov decided why not…
Sourc”}]] 

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