2025 Kawasaki KX450 vs 2024 Kawasaki KX450
Side-by-side specs. Differences are highlighted. Blank = not yet verified for that year-model (we don’t guess).
Kawasaki
Kawasaki| Spec | 2025 Kawasaki KX450 | 2024 Kawasaki KX450 |
|---|---|---|
| Class | 450cc 4-stroke | 450cc 4-stroke |
| Displacement | 449cc | — |
| Bore × stroke | 96 × 62.1 mm | — |
| Cooling | Liquid | — |
| Induction | DFI with Keihin 44mm throttle body | Single-cylinder, air-cooled engine with a single overhead valve (SOV) |
| Power valve | — | — |
| Starter | Electric | Electric starter |
| Transmission | 5-speed | 5-speed |
| Front suspension | 49mm inverted coil-spring fork | 43 mm inverted telescopic fork |
| Front travel | 12 in | 120 in |
| Rear travel | 12.1 in | 160 in |
| Front brake | 270mm | 285mm |
| Rear brake | 240mm | 245mm |
| Front wheel | 21" | — |
| Rear wheel | 19" | — |
| Seat height | 37.4 in | 34.5 in |
| Wheelbase | 58.3 in | 52.5 in |
| Weight | 248.2 lb (curb (with fuel)) | 209 lb (Dry weight (with fluids)) |
| Fuel capacity | 1.64 gal | 1.8 gal |
| MSRP | $10,499 | — |
Highlighted (blue) rows differ between the two. Verified manufacturer data; see each bike’s page for sources. Torque/fluid specs are on the individual pages (service-manual only).