Specs compared
Kawasaki KX450F
2006–2008
vs Yamaha YZ450F 2025
| Spec | Kawasaki KX450F 2006–2008 | Yamaha YZ450F 2025 |
|---|---|---|
| Years | 2006–2008 | 2025 |
| Engine | 449cc 4T | 450cc 4T |
| Stock gearing | 13T / 50TOwner's manual p. 1-9 | Not yet verified |
| Final drive ratio | 3.85 : 1Calculated from the stock sprockets | Not yet verified |
| Fork travel | 315 mm (12.4 in)Owner's manual p. 1-9 | 310 mm (12.2 in)Manufacturer spec sheet (research) |
| Seat height | 965 mm (38.0 in)Owner's manual p. 1-8 | 965 mm (38.0 in)Manufacturer spec sheet (research) |
| Weight | Not yet verified | 108.9 kg (240 lb)Manufacturer spec sheet (research) |
Each value shows where it came from. The bike pages list the document, page and date checked.