This 13x17x0.1mm crankshaft shim is a thin, replaceable spacer intended for Zenoah G-series nitro RC engines. It is an RC-scale accessory used to make small, repeatable changes to crankshaft axial clearance during routine maintenance and engine rebuilds. The part is specified by its external dimensions and nominal thickness without any packaging included.
Use notes: the shim lets you alter crankshaft endplay and alignment in small increments, helping control bearing load and sealing behavior when combined with other service procedures. When changing shim stacks, recheck clearances according to the engine service manual and run functional checks after reassembly. Do not assume any other dimensions or materials beyond the marked 13x17x0.1mm size.
Compatibility: G200,G230,G231,G240,G260,G270,G290
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