FZ115S Rear Cover Spare YSG2046 for YS Engine  [YSG2046]

Service spare rear cover for FZ115S

This item is the YS Engine YSG2046 back plate supplied as a replacement rear cover for the FZ115S engine family. It is offered as a service spare to restore sealing and structural integrity where the original rear plate shows wear or damage.

The FZ115S compatibility note is included to indicate intended fitment; always confirm your engine model details with the seller before ordering. The product is intended only for model engine use and not for any full-size vehicle application.

When carrying out maintenance remove the outer housing and keep track of bearing and seal orientation, then fit the replacement plate ensuring correct alignment of mounts and surfaces. Preserve gaskets and bearings where possible and follow the engine manual for correct torque values on fasteners.

As part of scheduled servicing the back plate helps maintain crank alignment and prevents seal leaks. Replacing a degraded plate supports reliability but does not change engine tuning beyond restoring factory geometry.

Store a YSG2046 spare for FZ115S service jobs and verify the replacement against the original to ensure correct installation.