BWS125 tuning engine 205cc big bore kit with piston 65mm, and cylinder head EX21/IN23 valves.

In this video you can see how to upgrade the engine from BWS, ZUMA to 205cc. We gonna show you how quickly cut crankcase by yourself.

We are able to build any tuning engine or scooter such as JOG50, DIO50, BWS100 and 4 stroke engines like GY6-125/150, 5ML, MIO115, YBR125.

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Видео BWS125 tuning engine 205cc big bore kit with piston 65mm, and cylinder head EX21/IN23 valves. канала BWSP TUNESCOOT