The Athena S410485308001 Cylinder Head Outer is designed for reliable replacement service on select 125cc two-stroke motorcycles. This 54mm cylinder head outer component supports proper engine assembly and helps maintain the fit and sealing requirements of the original application. Manufactured by Athena, it is suited for riders, repair shops, and powersports technicians restoring or servicing compatible Kawasaki and Yamaha engines.
Built for direct fitment on specified models, the Athena cylinder head outer is compatible with 2003–2005 Kawasaki KX125 motorcycles and 1997–2003 Yamaha YZ125 motorcycles. Verify the motorcycle model year and engine configuration before installation to ensure correct application. The component is supplied under manufacturer part number S410485308001 and vendor part number 68-4802.
Feature: 54mm cylinder head outer designed for select 125cc two-stroke applications
Feature: Manufactured by Athena for dependable replacement performance
Feature: Compatible with specified Kawasaki KX125 and Yamaha YZ125 models
Feature: Supports proper cylinder head and engine assembly fitment
Feature: Suitable for motorcycle maintenance, repair, and engine rebuilding
Features:
- 54mm cylinder head outer designed for select 125cc two-stroke applications
- Manufactured by Athena for dependable replacement performance
- Compatible with 2003–2005 Kawasaki KX125 motorcycles
- Compatible with 1997–2003 Yamaha YZ125 motorcycles
- Manufacturer part number S410485308001
- Vendor part number 68-4802
- Supports proper cylinder head and engine assembly fitment
Fitment:
1997 Yamaha YZ125
1998 Yamaha YZ125
1999 Yamaha YZ125
2000 Yamaha YZ125
2001 Yamaha YZ125
2002 Yamaha YZ125
2003 Kawasaki KX125
2003 Yamaha YZ125
2004 Kawasaki KX125
2004 Yamaha YZ125
2005 Kawasaki KX125
2005 Yamaha YZ125
2006 Kawasaki KX125
2006 Yamaha YZ125
2007 Kawasaki KX125
2007 Yamaha YZ125
2008 Yamaha YZ125
2009 Yamaha YZ125
2010 Yamaha YZ125
2011 Yamaha YZ125
2012 Yamaha YZ125
2013 Yamaha YZ125
2014 Yamaha YZ125
2015 Yamaha YZ125
2016 Yamaha YZ125
2017 Yamaha YZ125
2018 Yamaha YZ125
2019 Yamaha YZ125
2020 Yamaha YZ125
2020 Yamaha YZ125X
2021 Yamaha YZ125
2021 Yamaha YZ125X