YS Engine YSS2047 O-ring set 56SR spare kit  [YSS2047]

O-ring set for YS 56SR

This O-ring set is a small-scale RC engine spare intended for maintenance and parts replacement on YS 56SR engines. It is supplied as an accessory pack for model engine upkeep and should be treated as an RC-scale component only.

Compatibility is limited to the 56SR family as indicated by the product designation, use the rings only where original O-rings are specified. During servicing, inspect mating surfaces and grooves for debris or scoring before installing new O-rings to ensure proper sealing.

Installation tips: fit each O-ring without twisting, apply a light film of appropriate lubricant to ease seating, and avoid stretching beyond normal fit to prevent premature failure. After assembly, perform a slow break-in and leak check before full throttle operation.

Tuning and role: O-rings are maintenance items that preserve compression and prevent air or fuel leaks; they do not alter tuning parameters directly but are essential for consistent engine behavior during tuning and race preparation.