The YS Engine YSF1826 back plate is presented as a direct spare for the FZ120 line and is intended for rebuilds and maintenance rather than performance upgrades.
Function and installation: the back plate secures rear-end internals and helps locate components during disassembly and reassembly. Use it when replacing a worn or damaged rear housing on FZ120 engines.
Fitting guidance: confirm bolt hole alignment and mating surface contact before final tightening, apply thread-locking where the engine manual recommends it for metal fasteners, and validate crankshaft endplay once reassembled. This description avoids prescribing torque settings or specialised tools.
A practical replacement plate for FZ120-class RC engines, intended for rebuilds and damaged-part swaps; always confirm fitment on your engine before permanent installation.
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