61ST-H Connecting Rod Replacement for YS Engine YSS7110  [YSS7110]

61ST-H connecting rod specifications

The YS Engine YSS7110 connecting rod is an RC-scale replacement part specified for 61ST-H engines. It performs the mechanical task of transferring piston movement to the crank assembly and is intended as a service part when the original rod shows wear or damage.

Before fitting this connecting rod, confirm the engine code is 61ST-H and prepare for disassembly. Check mating surfaces and any bearings for play or scoring, replace worn bearings as required, and keep the assembly area clean to prevent debris that could speed wear.

As a routine maintenance and tuning component, this connecting rod helps preserve smooth piston-to-crank motion; correct reassembly maintains engine balance and consistent running behavior. The item is supplied as a single replacement component for model engine servicing.