FS-120S FS-120S-E Gasket Set - O.S. Engine OS45514010  [OS45514010]

Replacement gasket kit for FS-120S engines

This O.S. Engine gasket set is a compact replacement kit designed to restore sealing surfaces on the FS-120S and FS-120S-E RC engines. It addresses routine sealing needs and helps prevent leaks that can reduce compression or destabilize idle, without changing the engine's performance specifications.

Fitting is straightforward for anyone familiar with small glow engine service: remove the head or crankcase parts that need attention, replace any worn or flattened gaskets with the matching pieces from the set, and reassemble using the correct torque on engine screws. Before fitting new gaskets, clean mating faces thoroughly and remove old gasket residue to ensure a proper seal.

Viewed from a tuning and maintenance perspective, fresh gaskets are a service item rather than a performance upgrade. Use this set if you detect compression loss, fuel seepage at joints, or after disassembling the engine for piston or cylinder work to restore repeatable running behavior.