YS Engine YSF1326A Back Plate Assembly F120AC  [YSF1326A]

Back plate assembly for F120AC

This back plate assembly is an RC-scale spare intended to replace a worn or damaged rear crankcase cover on F120AC-designated engines bearing the YS Engine part reference YSF1326A. It serves as a direct service item to restore sealing surfaces and mounting points without altering engine layout.

The article focuses on compatibility and service role rather than performance claims. Use this assembly when the existing back plate shows wear, stripped threads, or oil leakage paths. Check mating surfaces, gasket condition, and fastener fit during replacement to maintain correct alignment and sealing.

Installation notes: remove the engine from its mount as needed, retain original hardware for size reference, clean mating faces before fitting, and follow standard RC engine teardown precautions. This part is presented as a component replacement and does not include engine internals or additional consumables.

Select this YSF1326A back plate assembly when restoring serviceability to an F120AC RC engine, confirming fit and thread condition during installation to ensure reliable sealing and mounting.