Hey people, there's an update on the whole bike buisness. I have completed a few repair orders and saved up some money to buy a true soviet D-4 engine with bike.
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The carburettor goes down into the crank case and the engine's year of manufacture is 1957. It runs.
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The ignition cover from a china girl kinda fits but I'll have to grind it down about 5 mil to clear the pedal crank.
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