Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11645-00 0.25 Viewer:1277 OEM No. : 61A-11645-00-0.25 For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Kit 6R5-11646-11 0.50 Piston Kit 6R5-11645-11 0.25 Pin, Dowel 93604-18080-00 Oil Seal, S-Type 93101-10M25-00