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Old 10-18-2010, 07:38 PM
meowy84 meowy84 is offline
Motorized Bicycle Elite Member
Join Date: Jul 2009
Location: Canada
Posts: 238
Default Carb/throttle needle valve adjustment

Oh great Happy-Time gurus lend me your wisdom. What's a good starting point for throttle needle valve for the first start and the break-in period? I'm finally about to get my Zoom 80/66cc going for the first time and want to minimize the initial hassles. My needle valve has the 5 grooves and the circlip is on the middle one straight from the factory. Obviously since that little valve has a lot to do with the leanness/richness of the mixture I'd rather have it a bit on the rich side for the break-in so I'd rather lift the valve a spot rather than dropping it a spot. Else, leave it in the middle as it is.
McGyver could fix that with bubble gum.
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