YS Engine YSG1047 Back Plate Screw for FZ70S Rear Plate  [YSG1047]

Back plate screw for FZ70S

This is an RC-scale back plate screw supplied for the YS Engine YSG1047 line, intended specifically for the FZ70S rear plate assembly as indicated in the product name. The part serves as a direct replacement fastener to restore or maintain the mechanical fix of the engine's rear cover.

Installation is straightforward: align the rear plate, start the screw by hand to ensure correct thread engagement, and tighten until the plate sits flush and stable. Avoid over-tightening to prevent thread damage; a properly seated screw helps maintain sealing and reduces the chance of loosening under vibration during model operation.

In a tuning or maintenance context this screw plays a minor but necessary role, keeping the rear plate secure so the engine's internal components remain correctly contained and serviceable. Treat it as a service spare for routine upkeep and parts replacement when the original fastener is worn or missing.