YS Engine YSF5132 Rocker Arm Shaft Screw for FZ53 FZ63  [YSF5132]

Rocker arm shaft screw suited to FZ53 and FZ63

This replacement rocker arm shaft screw is suitable for YS Engine FZ53 and FZ63 engine assemblies. It secures the rocker arm shaft and aids in maintaining correct valve geometry when tuning or servicing the engine.

Prior to installation, clean the area and inspect the rocker arm and shaft for wear. Use appropriate thread engagement and torque values typical for small model engine screws to prevent thread damage or loosening under vibration. The part is intended for model engine maintenance tasks.

Include this screw as part of valve adjustment procedures and when replacing rocker assembly components, checking it whenever the rocker arm or shaft is serviced.