February 21st, 2019, 08:06 AM
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#3
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Rev Limiter
Name: Jay
Location: WI
Join Date: Jul 2013
Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes
Posts: A lot.
MOTM - Jun '18, Oct '16
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As TJ noted - the carbs.
Or maybe a vacuum leak...and the carbs...
The tiny passages and jet openings can be stubborn to clean out, but the fact that changing the setting on the Idle Mixture screws (out is richer) doesn't change the idle significantly suggests the passages may be blocked. Sometimes the o-rings break and get lodged, which restricts the fuel flow.
The hanging suggest a lean mixture or air leak.
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