Specs compared

GasGas MC 250F 2027 vs KTM 450 SX-F 2027

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, rear tire, engine oil capacity, seat height and weight. The same on both: chain pitch, front tire, fork travel, shock travel and coolant capacity. Checked 16 Oct 2026.

SpecGasGas MC 250F 2027KTM 450 SX-F 2027
EnginePrinted differently250cc 4T450cc 4T
Stock gearingPrinted differently14T / 52TOwner's manual p. 13613T / 51TOwner's manual p. 153
Final drive ratio3.71 : 1Calculated from the stock sprockets3.92 : 1Calculated from the stock sprockets
Chain pitchSame520Owner's manual p. 136520Owner's manual p. 153
Front tireSame80/100-21 51M TTOwner's manual p. 13780/100-21 51M TTOwner's manual p. 154
Rear tirePrinted differently110/90-19 57M TTOwner's manual p. 137120/80-19 62M TTOwner's manual p. 154
Fork travelSame310 mm (12.2 in)Owner's manual p. 136310 mm (12.2 in)Owner's manual p. 152
Shock travelSame300 mm (11.8 in)Owner's manual p. 136300 mm (11.8 in)Owner's manual p. 152
Engine oil capacityPrinted differently1000 ml (33.8 fl oz)Owner's manual p. 1361200 ml (40.6 fl oz)Owner's manual p. 152
Coolant capacitySame950 ml (32.1 fl oz)Owner's manual p. 136950 ml (32.1 fl oz)Owner's manual p. 152
Seat heightPrinted differently956 mm (37.6 in)Owner's manual p. 136958 mm (37.7 in)Owner's manual p. 153
WeightPrinted differently102 kg (225 lb)Owner's manual p. 136103.2 kg (228 lb)Owner's manual p. 153

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. KTM 450 SX-F: 520 chains · 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.