New Rider
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Post by jeff01 on Oct 8, 2017 11:01:26 GMT -5
New bike has 400 miles on it. it surges in the mid-range, could it be a vacuum leak at the intake ?? Carb is tight any suggestions appreciated.
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Post by crawford on Oct 8, 2017 20:54:38 GMT -5
could be low octane fuel or poor fuel. what are you running/
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Freshman Rider
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Post by 125scooterbro on Oct 9, 2017 1:36:32 GMT -5
You can test if you have a air leak by putting start gas around the intake or fuel lines, carb and see if the engine rpm goes higher, put the start gas on 1 part at the time so you know where you may have a leak
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New Rider
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Post by lee47512 on Oct 14, 2017 1:51:24 GMT -5
How tight did you tighten your carb? The plastic spacer between carb and head crack easily.
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