O.S. Cover Plate 25LATower Stock# OSMG4072 • Manufacturer Stock# 22557100
and the .25LA-S Airplane Engines.
This Cover Plate also known as a Back Plate fastens to the
rear of the Crankcase to seal the engine, hold the Needle Valve Assembly,
and allow access to the Crankshaft and Connecting Rod.
Constructed of molded black plastic with brass needle valve holder.
One Cover Plate with Needle Valve Holder for the O.S. Max .25LA and
Four 2.6mm x 8mm socket head cap screws (can use OSMG8678) to attach
This cover plate does not include the needle valve assembly. The