CARBURETOR ADJUSTMENT SCREWS on 2-Stroke - (How it actually Work

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【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)

Allows for quick idle mixture with no tools. Precise adjustment reduces emissions and helps to reduce off idle spit. Knurled edge for easy grip.

Windance 2pcs Motorcycle Carburetor Air Adjusting Screw Idle Mixture Fuel Ratio Screw for CV40 CVK34 CVK36 CVK40

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Assisting your engine while not in motion, the Carburetor Idle Adjustment Screw with Spring, helps in int engines idle increase or decrease.

Carburetor Idle Adjustment Screw w/ Spring

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