Specs compared

Husqvarna FC 450 2027 vs Kawasaki KX450F 2006–2008

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

Printed differently: engine, stock gearing, front tire, rear tire, fork travel, shock travel and seat height. The same on both: chain pitch and engine oil capacity. Checked 25 Sep 2026 and 16 Oct 2026.

SpecHusqvarna FC 450 2027Kawasaki KX450F 2006–2008
EnginePrinted differently450cc 4T449cc 4T
Stock gearingPrinted differently13T / 51TOwner's manual p. 15313T / 50TOwner's manual p. 1-9
Final drive ratio3.92 : 1Calculated from the stock sprockets3.85 : 1Calculated from the stock sprockets
Chain pitchSame520Owner's manual p. 153520Owner's manual p. 2-34
Front tirePrinted differently80/100-21 51M TTOwner's manual p. 15490/100-21 57MOwner's manual p. 1-9
Rear tirePrinted differently120/90-19 63M TTOwner's manual p. 154120/80-19 63MOwner's manual p. 1-9
Fork travelPrinted differently305 mm (12.0 in)Owner's manual p. 152315 mm (12.4 in)Owner's manual p. 1-9
Shock travelPrinted differently293 mm (11.5 in)Owner's manual p. 152315 mm (12.4 in)Owner's manual p. 1-9
Engine oil capacitySame1200 ml (40.6 fl oz)Owner's manual p. 1521200 ml (40.6 fl oz)Owner's manual p. 1-8
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. 153965 mm (38.0 in)Owner's manual p. 1-8
Weight103.3 kg (228 lb)Owner's manual p. 153 Not yet verified

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 KX450F: 520 chains · Front tires 90/100-21 · 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.