What size motor are you riding on your 50

[StuntBikeJake]

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\r\n \r\n \r\n Originally Posted by CHILI\r\n \r\n \r\n Stock but its a different size than a crf stock cuz its a z50. Ill have to look. \n \n \nI don\'t know what size i want!! We had a friend that was UP a few teeth on his fiddy and it was freaky fast on top end, when i should have been slower on top end. Don\'t ask me how \r\n \r\n

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How? \r\n