323889 OMC SHIM

OEM OMC Johnson/Evinrude 323889 pinion shim, .003 inch thickness, used to adjust pinion gear mesh in lower gearcase assemblies. Fits Johnson/Evinrude 60 HP (1986-2001), 65 HP (1984-2001), and 70-75 HP (1979-2001) outboards. Part of graduated shim kit (.003, .004, .005) for precision gearcase setup. Critical for proper gear contact pattern and lower unit performance; used during gearcase assembly and repair.