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Old September 22nd, 2017, 06:26 AM   #17
jkv45
Rev Limiter
 
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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
Quote:
Originally Posted by bowlbug View Post
She runs...... sort off. There is idle problem now. Idles great at 11/1200 for a couple minutes then up to about 3k for a couple minutes, then back down. I have looked of a vacuum leak. with no success.
Does it do this on the road when you are riding, or in the garage when idling?

I'd look at the gas like JR suggested. If there is any question, drain the tank and floatbowls completely. Catch the gas from the floatbowls and look for water or debris.

Check the tank for rust.

Check the inline filter at the carb inlet for debris.

Check the air filter and be sure the snorkel is clear.

Are the idle mixture screws at 2.5 turns out?

Set the idle speed to 1300 when fully warm.
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