ARCO NEW OEM Premium Replacement Outboard Starter Fits Yamaha 80 HP, 4 Stroke - 1999-Up, 100 HP, 4 Stroke - 1999-Up, Mercury/Mariner 90 HP, 4 Stroke, 13-tooth drive gear Replaces Part Numbers Hitachi S114-828B Mariner 50-804312T1 Mercury 50-804312T1 Yamaha 67F-81800-00 Yamaha 67F-81800-01 Yamaha 67F-81800-02