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Old January 20th, 2019, 05:26 PM   #33
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

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MOTM - Jun '18, Oct '16
I've never used 40 Pilots, so I'm not positive, but I think you are still too rich at 2 turns out. You may be closer to 1 turn out with the larger Pilots and a stock airbox. You can also pull the air filter out and see if it makes it run better - which would tell you it's rich for one reason or another. Also confirm the enricher is working properly.

Check for vacuum leaks and sync the carbs.

If that doesn't do anything good, I'd for sure look at the plugs for clues.
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