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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Crf170r???
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[QUOTE="KCL, post: 698644, member: 47280"] I believe the AMA is still deciding upon the maximum cc size for the four stroke mini's. As it works now, the four stroke 400's & 450's race in the 250 class with the two strokes, the 250 four strokes race with the 125 two strokes. It probably won't be too long, rumor has that they are already testing and in the works. Just look around, all the manufacturers have an entry in almost all the big bike classes..... [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Crf170r???
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