Specs compared

Honda CRF450X 2027 vs Kawasaki KX450X 2026

Enduro, stock specs side by side. Each value names the page it came from; a blank on either side stays blank.

Printed differently: stock gearing, rear tire, shock travel, seat height and weight. The same on both: engine, front tire and fork travel. Checked 11 Oct 2026 and 16 Oct 2026.

SpecHonda CRF450X 2027Kawasaki KX450X 2026
EngineSame449cc 4T449cc 4T
Stock gearingPrinted differently13T / 51TManufacturer spec sheet (research)13T / 50TOwner's manual p. 12
Final drive ratio3.92 : 1Calculated from the stock sprockets3.846 : 1Owner's manual p. 12
Chain pitch520Manufacturer spec sheet (research) Not yet verified
Front tireSame80/100-21Manufacturer spec sheet (research)80/100-21 51MOwner's manual p. 13
Rear tirePrinted differently110/100-18Manufacturer spec sheet (research)120/90-18 65MOwner's manual p. 13
Fork travelSame305 mm (12.0 in)Manufacturer spec sheet (research)305 mm (12.0 in)Owner's manual p. 1-3
Shock travelPrinted differently300 mm (11.8 in)Manufacturer spec sheet (research)307 mm (12.1 in)Owner's manual p. 1-3
Engine oil capacity Not yet verified900 ml (30.4 fl oz)Owner's manual p. 52
Coolant capacity Not yet verified1100 ml (37.2 fl oz)Owner's manual p. 55
Seat heightPrinted differently963 mm (37.9 in)Manufacturer spec sheet (research)950 mm (37.4 in)Manufacturer spec sheet (research)
WeightPrinted differently124.7 kg (275 lb)Manufacturer spec sheet (research)113.4 kg (250 lb)Owner's manual p. 1-2

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. Honda CRF450X: 520 chains · Front tires 80/100-21 · Rear tires 110/100-18. Kawasaki KX450X: Front tires 80/100-21 · Rear tires 120/90-18. These are affiliate links: we may earn a commission, at no cost to you, and it never changes the specs. Affiliate disclosure.