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Dirt Bike Brands - Other
difference between 2 and 4 stroke
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[QUOTE="kschilk, post: 1301182, member: 92871"] The main reason 4s are now being used, is due to the U.S. emission standards....2-strokes are being outlawed, as far as new production. It was the only way to keep the fuel-shortage and global warming farces going. It also makes racing much safer....no more high-speed crashes! :laugh: [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
difference between 2 and 4 stroke
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