YS Engine YSS7110 connecting rod for 61ST-H engines  [YSS7110]

Connecting rod for 61ST-H

The YS Engine YSS7110 connecting rod is an RC-scale replacement part specified for 61ST-H engines. It serves the basic mechanical role of transferring piston motion to the crank assembly in model engines and is intended as a direct service part when the original link shows wear or damage.

When fitting this connecting rod, confirm the engine code matches 61ST-H before disassembly. Inspect mating surfaces and any bearings for play or scoring, replace worn bearings as required, and ensure clean assembly to avoid debris that could accelerate wear.

As a routine tuning and maintenance item, the connecting rod supports reliable piston-to-crank movement; correct reassembly helps maintain engine balance and consistent performance in running and testing. This item is supplied as a singular replacement component for model engine servicing.