Specs compared
Kawasaki KX250F 2027 vs Kawasaki KX450 2026
Motocross, stock specs side by side. Each value names the page it came from; a blank on either side stays blank.
Printed differently: engine, rear tire, seat height and weight. The same on both: front tire, fork travel and shock travel. Checked 27 Sep 2026 and 29 Sep 2026.
| Spec | Kawasaki KX250F 2027 | Kawasaki KX450 2026 |
|---|---|---|
| EnginePrinted differently | 249cc 4T | 449cc 4T |
| Front tireSame | 80/100-21Manufacturer spec sheet (research) | 80/100-21Manufacturer spec sheet (research) |
| Rear tirePrinted differently | 110/90-19Manufacturer spec sheet (research) | 120/80-19Manufacturer spec sheet (research) |
| Fork travelSame | 305 mm (12.0 in)Manufacturer spec sheet (research) | 305 mm (12.0 in)Manufacturer spec sheet (research) |
| Shock travelSame | 307 mm (12.1 in)Manufacturer spec sheet (research) | 307 mm (12.1 in)Manufacturer spec sheet (research) |
| Seat heightPrinted differently | 955 mm (37.6 in)Manufacturer spec sheet (research) | 960 mm (37.8 in)Manufacturer spec sheet (research) |
| WeightPrinted differently | 109.2 kg (241 lb)Manufacturer spec sheet (research) | 112.6 kg (248 lb)Manufacturer spec sheet (research) |
Each value shows where it came from. The bike pages list the document, page and date checked. “Printed differently” only says the two documents print different figures; it is not a judgement of either bike.
Stock sizes at MotoSport. Kawasaki KX250F: Front tires 80/100-21 · Rear tires 110/90-19. Kawasaki KX450: Front tires 80/100-21 · Rear tires 120/80-19. These are affiliate links: we may earn a commission, at no cost to you, and it never changes the specs. Affiliate disclosure.