626-45577-00-03 Yamaha SHIM

Yamaha precision shim component, 0.3mm thickness specification, used for lower unit gear adjustment in 2-stroke outboard motors. Controls vertical gear mesh alignment and backlash in the transmission housing during assembly or repair. Used on Yamaha 9.9HP and 15HP small displacement engines. Precise tolerance required for smooth gear operation and minimal noise. Multiple shim versions available; correct thickness selection ensures optimized gearbox performance.