Outboard Motor Parts, Outboard Spare Parts, Marine Parts manufacturer / supplier in China, offering 682-11610-21-00 Piston Ring Set (0.50mm O/s) 56.5mm for YAMAHA 9.9/15HP 2 Stroke Outboard Motor - Outboard Engine Parts 682-11610-21, 69W-45300-00-4D Lower Unit Assy Gearbox for 4 Stroke YAMAHA Outboard Motor F40/F50/F60 - Outboard Motor Parts 69W-45300-00-4D, Jet, Main (#150) for YAMAHA 40HP Outboard Engine - OEM# 677-14343-75-00, 677-14343-75 and so on.