Cheap And Discounts Piston Kit Ring Set Assy 677-11631, 677-11630, 647-11610 For Yamaha 5HP 8HP 50MM Outboard Motor Wholesale. Buy Directly From Merchant Marine Outlet Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.