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My bike seems running too rich/lean, how do I adjust the ratio to get the mixture well and run better? How does the pilot/air-fuel mixture screw work? If you
Check the O-ring at the Back of the Screw Hole After Removing the Pilot Screw Which is Often Overlooked!
The Venturers - Yamaha Venture Technical Support Library
【Fitment】:Fits most Keihin FCR & FCR-MX Carburetors,fits most common 4-stroke models (Reference fit models as following).fcr air fuel screw adjuster
Air Fuel Mixture Screw CNC Adjust Carb FCR Air Screw Compatible with KEIHIN Carburetor Four-Strokes FCR Carbs Motorcross Motorcycle(blue)
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Baron Custom Accessories Pilot Mixture Adjustment Screw BA-2150-00 YAMAHA : Automotive
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Fydun Pilot Screw Adjusting Tool 16.34in Carburetor Pilot Screw Adjusting Tool 110° Angled Head Metal Universal for ATV UTV Snowmobile : Automotive
How-To: Size Your Pilot Jet, Pilot Screw Explained
How-To: Size Your Pilot Jet, Pilot Screw Explained