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Old 03-23-2014, 01:08 PM
Theon Theon is offline
Motorized Bicycle Elite Member
Join Date: Jan 2014
Location: FNQ Australia
Posts: 1,440
Default Re: my 49cc modification/build thread

Check your plug colour, and try adjusting the needle first.
often need to slightly down jet, to get them to run better, but a little rich is better for hill climbing.
48t sprocket will probably be better than 56, unless you want to climb mountains.
And get a battery powered LED head light, generator headlights suck.
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