Specs compared

Husqvarna FC 450 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, shock travel, seat height and weight. The same on both: front tire and fork travel. Checked 29 Sep 2026 and 16 Oct 2026.

SpecHusqvarna FC 450 2027Kawasaki KX450 2026
EnginePrinted differently450cc 4T449cc 4T
Stock gearing13T / 51TOwner's manual p. 153 Not yet verified
Final drive ratio3.92 : 1Calculated from the stock sprockets Not yet verified
Chain pitch520Owner's manual p. 153 Not yet verified
Front tireSame80/100-21 51M TTOwner's manual p. 15480/100-21Manufacturer spec sheet (research)
Rear tirePrinted differently120/90-19 63M TTOwner's manual p. 154120/80-19Manufacturer spec sheet (research)
Fork travelSame305 mm (12.0 in)Owner's manual p. 152305 mm (12.0 in)Manufacturer spec sheet (research)
Shock travelPrinted differently293 mm (11.5 in)Owner's manual p. 152307 mm (12.1 in)Manufacturer spec sheet (research)
Engine oil capacity1200 ml (40.6 fl oz)Owner's manual p. 152 Not yet verified
Coolant capacity950 ml (32.1 fl oz)Owner's manual p. 152 Not yet verified
Seat heightPrinted differently946 mm (37.2 in)Owner's manual p. 153960 mm (37.8 in)Manufacturer spec sheet (research)
WeightPrinted differently103.3 kg (228 lb)Owner's manual p. 153112.6 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. Husqvarna FC 450: 520 chains · Front tires 80/100-21 · Rear tires 120/90-19. 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.