Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11635-00 0.25 Viewer:1411 OEM No. : 61A-11635-00-0.25 For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Kit 6E7-11635-00-00 0.25 Piston Ring 688-11610-20 0.50 Pin, Float Arm 688-14548-00-00 Needle Valve Assembly 6E5-14390-20-00