FSa-72 Crank Case Cover Plate - OS44307000 by O.S. Engine  [OS44307000]

FSa-72 Crankcase Cover Plate Overview

This cover plate is an RC-scale replacement part listed under O.S. Engine OS44307000 and intended for use with components identified by the FSa-72 designation. It acts as a direct cover for the crank case area, providing a mounting surface and a sealing interface on model engines.

Installation notes: the plate locates to the existing crank case dowel pins and secures with the original screw locations, so retain the engine’s stock hardware where possible. Perform fit checks during assembly to confirm clearance to the carburettor and cooling head on the FSa-72 layout.

Tuning and maintenance role: the cover plate helps maintain consistent crankcase sealing which can influence engine starting and idle behavior on RC models; inspect the part for flatness and correct fastener torque during regular engine servicing. Keep the mating faces free of debris and ensure gaskets or seals are intact before reassembly.