Re: Jawa Babetta 207 X25 vs X30

Jawa Rider /
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Yeah, I also can barely find anything which is why I'm asking. So far I know that they changed the amount of teeth on the sprocket to more for the faster versions. I also know that from the x20 to the x25 they upjet it going from 58 to 63. I can only infer they may have upjetted from 63 to a little bigger for the x30 as well. On some spec sheets they kept the compression ratio rating the same on all models at 7.5 but I know on stuff like that it always varies.

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