OS FS-200S-P Head Gasket for #831 - Hatroi HA245  [HA245]

Replacement copper head gasket for OS FS-200S-P engines

This Hatroi HA245 copper gasket is an RC replacement head seal made to fit the #831 OS FS-200S-P engine. It provides a direct sealing surface between the cylinder head and crankcase in glow engines to help maintain compression and a reliable combustion chamber seal during routine service.

Fitting is straightforward for hobby workshop maintenance: remove the cylinder head, inspect mating surfaces for burrs or residue, place the HA245 on a clean surface, then reassemble the head following the engine manufacturer's recommended fastener pattern while using gradual, even tightening to avoid distortion. Do not attempt to alter the gasket thickness or shape, and avoid overtightening fasteners.

As a consumable service part, the copper gasket preserves compression and prevents fuel or oil seepage at the head joint; replacing a damaged or flattened HA245 can resolve poor throttle response or increased fuel consumption. Keep spare gaskets on hand when doing rebuilds or frequent track maintenance.