Shop by Brand Yamaha OutboardReed Valve Assembly ; Reed Set Back Reed Set 66T-W0004-00-00 Viewer:597 OEM No.: 66T-W0004-00-00 For YAMAHA outboard 40 HP E40MHZ E40X 40X You May Also Be Interested In Reed Valve Assembly 66T-13610-01-00 Reed Valve Assembly 688-13610-00-00 Bearing 31-813048/813048 Piston Ring 3C8-87124-0/3C8871240M 0.50