Specs compared

GasGas MC 250F 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, engine oil capacity and seat height. The same on both: chain pitch. Checked 25 Sep 2026 and 16 Oct 2026.

SpecGasGas MC 250F 2027Kawasaki KX450F 2006–2008
EnginePrinted differently250cc 4T449cc 4T
Stock gearingPrinted differently14T / 52TOwner's manual p. 13613T / 50TOwner's manual p. 1-9
Final drive ratio3.71 : 1Calculated from the stock sprockets3.85 : 1Calculated from the stock sprockets
Chain pitchSame520Owner's manual p. 136520Owner's manual p. 2-34
Front tirePrinted differently80/100-21 51M TTOwner's manual p. 13790/100-21 57MOwner's manual p. 1-9
Rear tirePrinted differently110/90-19 57M TTOwner's manual p. 137120/80-19 63MOwner's manual p. 1-9
Fork travelPrinted differently310 mm (12.2 in)Owner's manual p. 136315 mm (12.4 in)Owner's manual p. 1-9
Shock travelPrinted differently300 mm (11.8 in)Owner's manual p. 136315 mm (12.4 in)Owner's manual p. 1-9
Engine oil capacityPrinted differently1000 ml (33.8 fl oz)Owner's manual p. 1361200 ml (40.6 fl oz)Owner's manual p. 1-8
Coolant capacity950 ml (32.1 fl oz)Owner's manual p. 136 Not yet verified
Seat heightPrinted differently956 mm (37.6 in)Owner's manual p. 136965 mm (38.0 in)Owner's manual p. 1-8
Weight102 kg (225 lb)Owner's manual p. 136 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. GasGas MC 250F: 520 chains · Front tires 80/100-21 · Rear tires 110/90-19. 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.