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Old 01-06-2020, 12:39 AM
1QwkSport2.5r's Avatar
Join Date: Oct 2006
Location: Cottage Grove, MN
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The throttle stop on the carburetor needs to be set so when the throttle is released or brakes engaged that the carb closes to the throttle stop instead of closing completely. You want to have the throttle stop set so the carb is open 0.5-0.7mm at idle. This setting must be adjusted in conjunction with the idle mixture.