Our Part Number: CL99-412OEM Part Numbers - YA 90280-05022, 90280-05022-00
Item Description - Woodruff Key for Driven Clutch Fixed Sheave on 1979 to 2009 Yamaha models G1, G2, G3, G5, G8, G9, G11, G16, G19, G20, G21, G22, G23, G27 and G28 +++ Also pre-1998 Taylor-Dunn model R-680 truck with Yamaha engine.
NOTE: Measures 5mm wide by 15.7 mm long by 6.5mm high.