My Garage
Select a ride to guarantee fitment.
My Garage
Add your vehicles to your garage. Several features will then be available to facilitate your searches.
- Store vehicles in your garage
- Easily find guaranteed fit products and accessories
- Get product recommendations
Available Online
Free shipping on orders over $99
Standard Fulfillment: -
Expedited Fulfillment: -
Lowest Price Guaranteed
Fast Shipping
Easy Returns
Description
Features
- Designed as a direct replacement for the OEM design
- Reduce the friction dragging down your drivetrain
- Polyurethane roller with 98A durometer harness for long life
- Precision contact sealed bearings keep water and dirt away
- P/N 79-5001, 79-5002 and 79-5006 feature the outer mechanical seal to protect the bearings from dirt and water. (All other designs are too narrow to incorporate this design and use triple lip sealed ball bearings for superior dirt exclusion compared to OEM bearings.
Technical Specifications
- MFG. Part Number 79-5003
Vehicle Information
Kawasaki KX450X Dirt Bike (2021-2026)
The Kawasaki KX450X (2021-2026) is a high-performance, dedicated cross-country racing motorcycle. Powered by a consistent 449cc liquid-cooled, four-stroke, DOHC single-cylinder engine, it offers robust power delivery across all model years, typically around 53 HP. Throughout this period, the KX450X has been offered as a single, specialized trim, built upon the KX450 motocross platform with off-road specific modifications. A significant generational update occurred in 2024, carrying over into the 2025 and 2026 models. This overhaul introduced a new engine with revised cylinder head and intake, a lighter aluminum perimeter frame, and a center exhaust for improved performance and handling. Key enhancements also included a Brembo front brake, advanced electronic rider aids like Kawasaki Traction Control (KTRC) and Bluetooth connectivity, plus updated ergonomics. The 2025 model saw a minor air-intake upgrade, while 2026 featured largely cosmetic changes. FAQ:
Q: How do I ensure this product fits my Kawasaki KX450X?
A: To guarantee compatibility, please use the year and edition selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Engine Oil Changes | 10 hours (recreational use) or 5 hours (aggressive/race use) | |
| Oil Filter | With each oil change | |
| Air Filter Service | 15 hours (recreational, except 5 hours for 2021) or 5 hours (aggressive, except 2 hours for 2021) | Clean and re-oil regularly, especially in dusty or muddy conditions. |
| Spark Plug | Inspect and replace as needed | |
| Valve Inspections | 30 hours (recreational, except 20 hours for 2021) or 15 hours (aggressive, except 10 hours for 2021) | |
| Top-End Inspections (cylinder, piston) | 50 hours (recreational, except 60 hours for 2022) or 25 hours (aggressive, except 30 hours for 2022/2023) | |
| Bottom-End Inspections (crankshaft, transmission) | 100 hours (recreational use) or 50 hours (aggressive use) |