Compatible with OEMs for Yamaha 5PA-11631-10-D0,5PA-11631-10-C0,5PA-11631-10-B0,5PA-11631-10-A0,5PA-11631-00-D0,5PA-11631-00-C0,5PA-11631-00-B0,5PA-11631-00-A0 Compatible with OEMs for Yamaha 4ES-11631-01-D0,4ES-11631-01-C0,4ES-11631-01-B0,4ES-11631-01-A0,4ES-11631-00-D0,4ES-11631-00-C0,4ES-11631-00-A0 Compatible with Yamaha YZ80: 1993-2001 Compatible with Yamaha YZ85: 2002-2022, YZ85 Team Yamaha: 2011-2014 Piston Standard Bore Size 47.5mm; Material Aluminum Alloy; Surface Coating None; Type Flat Direct Replacement for the Following OEM Part Numbers:

5PA-11631-10-D0, 5PA-11631-10-C0, 5PA-11631-10-B0, 5PA-11631-10-A0, 5PA-11631-00-D0, 5PA-11631-00-C0, 5PA-11631-00-B0, 5PA-11631-00-A0, 4ES-11631-01-D0, 4ES-11631-01-C0, 4ES-11631-01-B0, 4ES-11631-01-A0, 4ES-11631-00-D0, 4ES-11631-00-C0, 4ES-11631-00-A0


Fits The Following OEM Models:

Yamaha YZ80: 1993-2001
Yamaha YZ85 LW: 2022-2024
Yamaha YZ85 Team Yamaha: 2011-2014
Yamaha YZ85: 2002-2024