The BOLT E-Y1-9420 Engine Fastener Kit is designed for 1994–2003 Yamaha YZ125 two-stroke models. This comprehensive engine hardware kit helps replace worn, damaged, or missing external fasteners throughout the engine, providing a practical solution for maintenance, restoration, and engine rebuild projects. It is manufactured by BOLT and supplied under vendor part number E-Y1-9420.
The kit includes external fasteners covering the engine from the top end to the bottom end. Applications include the cylinder head, reed assembly, cylinder, crankcase, case saver, water pump, left case cover, ignition cover, inner and outer clutch covers, and power valve covers. Hardware is organized to support accurate installation and help maintain a clean, consistent appearance throughout the engine.
Fitment: This BOLT engine fastener kit fits 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, and 2003 Yamaha YZ125 motorcycles. Verify the model year and application before ordering to ensure proper compatibility. The kit is intended for the listed Yamaha YZ125 two-stroke models and includes engine fasteners appropriate for the specified fitment.
Features:
- Application: Engine fastener replacement kit for 1994–2003 Yamaha YZ125 two-stroke motorcycles
- Coverage: Includes external fasteners from the cylinder head and reed assembly through the cylinder and crankcase
- Included hardware: Fasteners for the case saver, water pump, left case cover, ignition cover, inner and outer clutch covers, and power valve covers
- Brand: BOLT
- Manufacturer part number: E-Y1-9420
- Vendor part number: E-Y1-9420
- Fitment: 1994–2003 Yamaha YZ125
Fitment:
1994 Yamaha YZ125
1995 Yamaha YZ125
1996 Yamaha YZ125
1997 Yamaha YZ125
1998 Yamaha YZ125
1999 Yamaha YZ125
2000 Yamaha YZ125
2001 Yamaha YZ125
2002 Yamaha YZ125
2003 Yamaha YZ125
2004 Yamaha YZ125
2005 Yamaha YZ125
2006 Yamaha YZ125
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
2022 Yamaha YZ125
2022 Yamaha YZ125X
2023 Yamaha YZ125
2023 Yamaha YZ125X
2024 Yamaha YZ125
2024 Yamaha YZ125X