The Zenoah K550021141 crankcase gasket is an RC-scale replacement part made for the G230RC, G240RC, G260RC and G270RC engines. Provided without packing, the gasket's role is to re-establish a sealing surface between crankcase halves during teardown and rebuild tasks.
When replacing the gasket, work in a clean area, strip away old gasket material and oil deposits, and make sure dowels and bearing seats are correctly aligned before putting the case back together. This component is for standard maintenance and repair use and is not a performance upgrade part.
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