Specs compared

GasGas EX 300 2027 vs Honda CRF450X 2027

Enduro, 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, fork travel, seat height and weight. The same on both: chain pitch, front tire, rear tire and shock travel. Checked 11 Oct 2026 and 16 Oct 2026.

SpecGasGas EX 300 2027Honda CRF450X 2027
EnginePrinted differently293.15cc 2T449cc 4T
Stock gearingPrinted differently14T / 48TOwner's manual p. 13113T / 51TManufacturer spec sheet (research)
Final drive ratio3.43 : 1Calculated from the stock sprockets3.92 : 1Calculated from the stock sprockets
Chain pitchSame520Owner's manual p. 131520Manufacturer spec sheet (research)
Front tireSame80/100-21 51M TTOwner's manual p. 13280/100-21Manufacturer spec sheet (research)
Rear tireSame110/100-18 64M TTOwner's manual p. 132110/100-18Manufacturer spec sheet (research)
Fork travelPrinted differently300 mm (11.8 in)Owner's manual p. 131305 mm (12.0 in)Manufacturer spec sheet (research)
Shock travelSame300 mm (11.8 in)Owner's manual p. 131300 mm (11.8 in)Manufacturer spec sheet (research)
Premix ratio60:1Owner's manual p. 132 Not yet verified
Coolant capacity950 ml (32.1 fl oz)Owner's manual p. 130 Not yet verified
Seat heightPrinted differently957 mm (37.7 in)Owner's manual p. 131963 mm (37.9 in)Manufacturer spec sheet (research)
WeightPrinted differently102.5 kg (226 lb)Owner's manual p. 131124.7 kg (275 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. GasGas EX 300: 520 chains · Front tires 80/100-21 · Rear tires 110/100-18. Honda CRF450X: 520 chains · Front tires 80/100-21 · Rear tires 110/100-18. These are affiliate links: we may earn a commission, at no cost to you, and it never changes the specs. Affiliate disclosure.