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The cc measurement on the bike is merely a measure of the engine displacement
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Dirt bike riding isn't rocket science, but there are a few lessons that can make your. the cool things about dirt bikes is pound-for-pound, displacement-for-
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BBR Motorsports Dirt Bike 143CC Big Bore Kit With Cam The largest displacement bore kit available without the need to bore engine cases. â€¢ Bolt on and go