Thread: Chinese 4 stroke GY6 50cc with 100cc BBK. Can't exceed 35MPH
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Old 07-16-2018, 05:18 PM   #9
Redtangsoo   Redtangsoo is offline
 
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Join Date: Jul 2016
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I would up jet to a 100 main, for starters with the 100cc bbk.
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