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

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

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Description

The idle speed screw 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 engine's rpm or engine speed. The idle speed screw controls the engine's speed or RPMs at idle

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