Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11635-00 0.25 Viewer:1401 OEM No. : 61A-11635-00-0.25 For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Kit 679-11635-00 0.25 Piston Ring 6E5-11610-10 0.25 Filter 65L-13915-00-00 Oil Seal, SO-Type 93104-18049-00