Re: Batavus Performance

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I have done all the mods listed and ported the cylinder and I get like 35-40. You can derestrict the stock exhaust by just taking out the second baffle. Just unsrew the bolt in the end of the exhasut and pull off the cover. Then pull out the baffle and screw it back together. also upjet one or two sizes. This should make you go closer to 30mph.

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