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Description
FEATURES
- Excellent mid-range and top-end power increase
- Uses stock valve springs
- Includes auto-decompression mechanism
Technical Specifications
- MFG. Part Number 2219-1E
Vehicle Information
Kawasaki KX450F Dirt Bike (2006-2018)
The Kawasaki KX450F, a high-performance motocross motorcycle, dominated tracks from 2006 to 2018. Powered by a 449cc liquid-cooled DOHC four-stroke single engine, it is renowned for its power and agility. Throughout its production, the KX450F underwent several major evolutions. The first generation (2006-2008) was initially carbureted with a 4-speed transmission, upgrading to 5-speed in 2007. The second generation (2009-2011) introduced battery-less electronic fuel injection and an entirely new chassis. The third generation (2012-2015) focused on optimizing frame rigidity and integrating the DFI coupler system for quick ECU adjustments. Finally, the fourth generation (2016-2018) was completely redesigned, featuring significant weight reduction, a revised engine, and the adoption of Showa SFF Air TAC forks. These changes allowed the KX450F to remain at the forefront of competition. FAQ:
Q: How can I ensure parts fit my Kawasaki KX450F?
R: To guarantee compatibility, please use the year and model selector available on this page. Q: Were there different trims of the KX450F for these years?
R: The KX450F was primarily offered as a single model, with significant annual updates rather than distinct trim levels.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | Every 2.5 hours or after every race | |
| Air Filter | Clean every 2.5 hours or after every race; replace every 15 hours or 6 races | |
| Spark Plug | Inspect every 7.5 hours or 3 races; replace every 15 hours or 6 races | |
| Valve Clearance | Inspect every 7.5 hours or 3 races | |
| Front Fork Oil | Change every 15 to 30 hours or 6 to 12 races | |
| Clutch Plates | Inspect every 2.5 to 7.5 hours or 1 to 3 races | |
| Coolant | Inspect level regularly | Use ethylene-glycol antifreeze with corrosion inhibitors, mixed 1:1 with distilled water. Capacity approximately 1.1 L. |
| Drive Belt | Not applicable | The KX450F uses a chain final drive, not a belt. |