O.S. Engine FSa-110 Crank Case Plate OS44907000  [OS44907000]

Replacement Cover for FSa-110

The O.S. Engine OS44907000 cover plate is an RC crank case replacement made to fit the FSa-110 naming used in the product title. Its purpose is to restore the case enclosure and provide access for maintenance while matching original fitment specifications.

To fit the cover, disassemble the necessary engine components to reach the crank case face, keep original fasteners and alignment dowels to ensure correct positioning, align the replacement plate with the case openings, and fasten it using the existing screw pattern. Employ standard hand tools and moderate torque to protect case threads from damage.

Used during routine upkeep and tuning checks, the plate acts as a sealing and access piece to facilitate internal inspections and part swaps without changing the engine’s intended internal geometry. Employ it for leak testing, component replacement, and scheduled servicing to maintain assembly integrity.