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

Replacement connecting rod for 61ST-H engines

The YS Engine YSS7110 connecting rod serves as a replacement component specified for 61ST-H engines in RC models. It links the piston to the crank and is supplied to replace worn or damaged factory rods.

When preparing to fit this part, confirm the engine code is 61ST-H. Inspect bearing surfaces and mating faces for scoring or looseness, replace any degraded bearings, and ensure the assembly area is free from grit to avoid premature wear.

Used as part of routine tuning and maintenance, this connecting rod supports dependable piston-to-crank motion; careful reassembly preserves engine balance and steadier performance during running and testing. Supplied as a single service item for engine repairs.