Specs compared
Kawasaki KX250 2026 vs Triumph TF 450-X 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, fork travel, shock travel, seat height and weight. The same on both: front tire and rear tire. Checked 29 Sep 2026 and 16 Oct 2026.
| Spec | Kawasaki KX250 2026 | Triumph TF 450-X 2026 |
|---|---|---|
| EnginePrinted differently | 249cc 4T | 450cc 4T |
| Stock gearing | Not yet verified | 13T / 49TManufacturer spec sheet (research) |
| Final drive ratio | Not yet verified | 3.77 : 1Calculated from the stock sprockets |
| Front tireSame | 80/100-21Manufacturer spec sheet (research) | 80/100-21Manufacturer spec sheet (research) |
| Rear tireSame | 110/90-19Manufacturer spec sheet (research) | 110/90-19Manufacturer spec sheet (research) |
| Fork travelPrinted differently | 305 mm (12.0 in)Manufacturer spec sheet (research) | 310 mm (12.2 in)Manufacturer spec sheet (research) |
| Shock travelPrinted differently | 307 mm (12.1 in)Manufacturer spec sheet (research) | 305 mm (12.0 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) | 108.3 kg (239 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 KX250: Front tires 80/100-21 · Rear tires 110/90-19. Triumph TF 450-X: Front tires 80/100-21 · Rear tires 110/90-19. These are affiliate links: we may earn a commission, at no cost to you, and it never changes the specs. Affiliate disclosure.