ARCO NEW OEM Premium Replacement Outboard Starter Fits Yamaha 115-225 HP, 2 Stroke 9-tooth drive gear. Replaces Part Numbers Hitachi S114-552 Hitachi S114-552A Hitachi S114-660 Hitachi S114-660A Hitachi S114-660B Yamaha 61H-81800-00 Yamaha 61H-81800-01 Yamaha 61H-81800-10 Yamaha 6K7-81800-10 Yamaha 6N7-81800-00 Yamaha 6N7-81800-01 Yamaha 6N7-81800-10 Yamaha 6N7-WS818-01