YS Engine YSF5165 Carburetor Screws - Replacement Hardware for RC Carburetors  [YSF5165]

How to Replace Carburetor Screws Safely

This product supplies replacement screws intended to secure carburetor parts in model engines and carburetor assemblies. It is intended for use when original fasteners are worn or missing and where threaded fixing points keep parts together.

Fitment is simple: check the screw size against the carburetor, remove the old screws, then fit the replacements until components are held securely without using excessive force. These screws help keep removable carburetor parts aligned during maintenance or setup adjustments.

For tuning work the screws assist in keeping needle seats, throttle linkages and housings stable so that settings remain consistent. Verify thread engagement and alignment after installation and before operating the engine.