OEM part numbers: 647-48330-50-00, 647483305000, 647-48330-50, 6474833050, 647 48330 50
647-48340-50-00, 647483405000, 647-48340-50, 6474834050, 647 48340 50
For Outboard: Yamaha Accessories, Yamaha 6 8 HP