What size motor are you riding on your 50

[StuntBikeJake]

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\r\n \r\n \r\n Originally Posted by jack cooke\r\n \r\n \r\n I don\'t know how that is possible. I went from a 37 down to 34 for more top end. That is what Ryan Moore says to change to when you do the 88kit. \r\n \r\n

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I would listen to anything that man says when it comes to riding, manufacturing, supermoto\'s, 50\'s... he knows his shit!!!\r\n