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 YAMAHA ZUMA PREBUG - jetting experience on a 70cc kit 
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Newb

Joined: Sat Mar 11, 2017 1:19 pm
Posts: 10
scooters and mods: 2001 zuma, zx-r pipe restriction removed. 6g rollers, Everything else is stock for now
Post YAMAHA ZUMA PREBUG - jetting experience on a 70cc kit
So I bough a zuma, had 7k on it and was lightly laid down. Bought it not running and I cleaned the carb and i reversed all the dumb stuff some kids did to it and it ran great. Starts ok but the manual choke is completely plugged. Anyways it was piss slow and I was concerned something was wrong, tried 6g weights and it did nothing. Finally took off my exhaust and saw the tiny reducer thing. Pulled it out and oh man this thing hauls butt!!! Wasn't acting weird but will be watching the plug for conditions. Any one have experience with stock carb and air box on a pipe? Also what do people use manual petcocks instead of the vacuum? Mines wet so it's slightly seeping. Was confused by the enrichment being plugged off...

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2001 prebug zuma, zx-r pipe restriction removed, 6g rollers. Pre-mix.


Sat Mar 18, 2017 11:06 am
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