Thread: 70cc bbk question
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Old 09-24-2013, 01:17 AM   #1
mopedhi   mopedhi is offline
 
Join Date: Jan 2013
Posts: 31
70cc bbk question
I installed a 70cc big bore kit on my vento zip gt5
when I went to test how fast it is it only went less than 20 mph
the stock engine went 30 mph



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Last edited by mopedhi; 09-24-2013 at 03:26 AM.
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