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Old 09-25-2012, 08:22 PM   #9
Gnarly Adventurer
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Joined: Nov 2007
Location: Phoenix
Oddometer: 217
Big carb = low air velocity at low rpm = low vacuum to pull fuel into the air flow. Smaller needle dia won't fix the low vacuum issue. Bottom line you give away low end to gain top end because of physics.

2012 Honda NC700X
2006 Gas Gas 300 Pro
2003 Kawasaki KDX220R
1976 Yamaha RD400C
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