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Screw Idle Adjustment Clone 390-420-460 Carburetor
188F-54 GX390/420 Clone Idle Adjustment Screw
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Screw Idle Adjustment Clone 390-420-460 Carburetor

Part Number: 188F-54
Your Price: $2.95
Screw Idle Adjustment Clone 390-420-460 Carburetor
Availability: In Stock.

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Description

This is an original “Clone” of the Honda GX390 Carburetor Idle Speed Screw for the Ruixing/SP Carburetors. 

The Idle Speed Screw holds the throttle shutter open slightly to allow air into idle. The more the throttle shutter is open the higher the rpm or engine speed of the engine will be. The idle speed screw controls the engine’s speed or RPMs at idle

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