Shop by Brand Yamaha OutboardRetainer Back Retainer Pinion Assy 66T-81857-00 Viewer:1038 OEM No.: 66T-81857-00 For YAMAHA outboard 40 HP You May Also Be Interested In Retainer 6H1-81857-00 Retainer 6N7-81857-00-00 Fastener Comp 61610-93901-000 Oil Seal 09283-10003-000