Re: Why does the Jawa 207 make more HP than the 210?

Tweaker trash /
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“ The 210 cylinder is superior to the 207 cylinder due to its two additional angled transfer ports. It also has a larger flange around the exhaust port making it easier to modify for a larger header. This cylinder can be bolted to the 207 engine with no modifications.”

Work cited: https://www.mopedarmy.com/wiki/Jawa_Tuning

Good info there^

More good Info here: https://www.mopedarmy.com/wiki/Jawa (edited)

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