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.
WORLDWIDE SHIPPING.
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![](https://i.ytimg.com/vi/4GdtydAZt9Q/maxresdefault.jpg)