October 13th, 2020, 08:04 AM
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#2
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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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A few things it could be -
Plugged or restricted gas tank vent. Open the cap and see if air rushes in and it runs better for a while.
Plugged or restricted Main Jet. Carbs need to come off and be cleaned and adjusted.
Restricted fuel flow. Check the small filter inside the fuel line at the carb inlet. Check the inside of the tank for debris that would clog the petcock screens inside the tank.
Plugged or restricted intake. Extra dirty or broken-down filter element or blocked intake snorkel.
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2 out of 2 members found this post helpful.
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