626-45577-00-01 Yamaha SHIM

Yamaha gear adjustment shim, 0.1mm precision component used in the lower unit assembly to set proper gear mesh clearance. Essential during transmission rebuild and lower case reassembly on 2-stroke outboard models including 9.9HP and 15HP engines. Shims control backlash between drive and driven gears. Available in multiple thickness variations for fine-tuning engagement. Specific model fits 15ELN, 9.9ELK, F9.9SK and similar small Yamaha outboards.