Replacement Inner Seating Ring for 140L Nose-ring Assemblies YS Engine YSM0022  [YSM0022]

Replacement Inner Seat for 140L Assemblies

The YS Engine YSM0022 inner seating ring is produced as a spare part for 140L nose-ring assemblies used on RC engines. Its primary function is to locate and retain the spinner or nose cowl by providing the correct internal seating geometry for compatible 140L units.

Pay attention to seating and cleanliness during fitment: clear any contamination from the housing, inspect for sharp edges, and press the ring into position until it is properly seated. Once installed, check rotation by hand to ensure the spinner remains concentric and free from rubbing.

This component is intended for upkeep rather than tuning; installers use it to re-establish correct alignment and secure the nose cowl following disassembly or maintenance of 140L nose-ring configurations.