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Four valves for a classic BMW

BMW R50, 4 valves per cylinder
ER Classics Desktop 2022

BMW R50, 4 valves per cylinderDieter Hartmann-Wirthwein must be a full cousin of Willie Wortel. He says he is not a web designer or writer, but he is doing well in his workplace.

For example, he made four-valve heads for his classic racer, a BMW R 50 with a Kaczor bicycle part. He had the crankshaft made by Kurt Manigatter.


Knowing more? Take a look at www.wirthwein-motor.de

 

 

 

BMW R50, 4 valves per cylinder

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