Specs compared

Husqvarna FC 450 2027 vs Yamaha YZ250 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, fork travel, shock travel, coolant capacity, seat height and weight. The same on both: chain pitch and front tire. Checked 28 Sep 2026 and 16 Oct 2026.

SpecHusqvarna FC 450 2027Yamaha YZ250 2027
EnginePrinted differently450cc 4T249cc 2T
Stock gearingPrinted differently13T / 51TOwner's manual p. 15314T / 50TOwner's manual p. 2-3
Final drive ratio3.92 : 1Calculated from the stock sprockets3.571 : 1Owner's manual p. 2-3
Chain pitchSame520Owner's manual p. 153520Owner's manual p. 2-7
Front tireSame80/100-21 51M TTOwner's manual p. 15480/100-21 51MOwner's manual p. 2-5
Rear tirePrinted differently120/90-19 63M TTOwner's manual p. 154110/90-19 62MOwner's manual p. 2-5
Fork travelPrinted differently305 mm (12.0 in)Owner's manual p. 152300 mm (11.8 in)Owner's manual p. 2-6
Shock travelPrinted differently293 mm (11.5 in)Owner's manual p. 152315 mm (12.4 in)Owner's manual p. 2-6
Engine oil capacity1200 ml (40.6 fl oz)Owner's manual p. 152 Not yet verified
Premix ratio Not yet verified30:1Owner's manual p. 2-2
Coolant capacityPrinted differently950 ml (32.1 fl oz)Owner's manual p. 1521180 ml (39.9 fl oz)Owner's manual p. 2-2
Seat heightPrinted differently946 mm (37.2 in)Owner's manual p. 153975 mm (38.4 in)Owner's manual p. 2-1
WeightPrinted differently103.3 kg (228 lb)Owner's manual p. 153103 kg (227 lb)Owner's manual p. 2-1

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. Yamaha YZ250: 520 chains · Front tires 80/100-21 · Rear tires 110/90-19. These are affiliate links: we may earn a commission, at no cost to you, and it never changes the specs. Affiliate disclosure.