Product description

The Athena Big Bore Piston Kit For Yamaha YZ125 1997-2026 Size A is part of the latest collection from Athena.

Features:

• 2-stroke cast piston for Athena big bore cylinder
• High resistance to mechanical thermal stresses
• Made with cutting edge CNC machining tools that ensures dimensional tolerances of less than 0.01 mm
• Has been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in the most extreme conditions
• The rings adapt to the cylinder liner even at low tangential load
• Kit includes cast piston, wrist pin, circlips and piston rings

Specifications:

• Bore Size: 57.94 mm
• Compression Ratio Imperial: Stock
• Compression Ratio: Stock
• Displacement: 125 cc
• Engine Type: 2-Stroke
• Piston Head Shape: Flat Top
• Piston Material: 4032 Aluminum Alloy
• Product Name: Piston Kit
• Type: A
• Units: Kit

To fit:

• YAMAHA YZ 125 X 2023 American Models
• YAMAHA YZ 125 X 2024 American Models
• YAMAHA YZ 125 X 2025 American Models
• YAMAHA YZ 125 X 2026 American Models
• YAMAHA YZ 125 1997 All Models
• YAMAHA YZ 125 1998 All Models
• YAMAHA YZ 125 1999 All Models
• YAMAHA YZ 125 2000 All Models
• YAMAHA YZ 125 2001 All Models
• YAMAHA YZ 125 2002 All Models
• YAMAHA YZ 125 2003 All Models
• YAMAHA YZ 125 2004 All Models
• YAMAHA YZ 125 2005 All Models
• YAMAHA YZ 125 2006 American Models
• YAMAHA YZ 125 2006 European Models
• YAMAHA YZ 125 2007 American Models
• YAMAHA YZ 125 2007 European Models
• YAMAHA YZ 125 2008 American Models
• YAMAHA YZ 125 2008 European Models
• YAMAHA YZ 125 2009 American Models
• YAMAHA YZ 125 2009 European Models
• YAMAHA YZ 125 2010 American Models
• YAMAHA YZ 125 2010 European Models
• YAMAHA YZ 125 2011 American Models
• YAMAHA YZ 125 2011 European Models
• YAMAHA YZ 125 2012 American Models
• YAMAHA YZ 125 2012 European Models
• YAMAHA YZ 125 2013 American Models
• YAMAHA YZ 125 2013 European Models
• YAMAHA YZ 125 2014 American Models
• YAMAHA YZ 125 2014 European Models
• YAMAHA YZ 125 2015 American Models
• YAMAHA YZ 125 2015 European Models
• YAMAHA YZ 125 2016 American Models
• YAMAHA YZ 125 2016 European Models
• YAMAHA YZ 125 2017 American Models
• YAMAHA YZ 125 2017 European Models
• YAMAHA YZ 125 2018 European Models
• YAMAHA YZ 125 2019 All Models
• YAMAHA YZ 125 2020 All Models
• YAMAHA YZ 125 2021 All Models
• YAMAHA YZ 125 2022 Monster Energy Racing Edition All Models
• YAMAHA YZ 125 2022 All Models
• YAMAHA YZ 125 2023 Monster Energy Racing Edition All Models
• YAMAHA YZ 125 2023 All Models
• YAMAHA YZ 125 2024 50th Anniversary Edition All Models
• YAMAHA YZ 125 2024 All Models
• YAMAHA YZ 125 2025 Monster Energy Edition All Models
• YAMAHA YZ 125 2025 All Models
• YAMAHA YZ 125 2026 70th Anniversary Edition All Models
• YAMAHA YZ 125 2026 All Models

Manufacturer part number: S4C05800001A

View all Athena. View all Parts and spares.

Contents

Your package will include the following:

• 1 X Athena Big Bore Piston Kit For Yamaha YZ125 1997-2026 Size A