Specs compared

Husqvarna FC 450 2027 vs Suzuki RM-Z450 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, rear tire, engine oil capacity, 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 2027Suzuki RM-Z450 2027
EnginePrinted differently450cc 4T449cc 4T
Stock gearing13T / 51TOwner's manual p. 153 Not yet verified
Final drive ratio3.92 : 1Calculated from the stock sprockets Not yet verified
Chain pitchSame520Owner's manual p. 153520Manufacturer spec sheet (research)
Front tireSame80/100-21 51M TTOwner's manual p. 15480/100-21 51MOwner's manual p. 6-40
Rear tirePrinted differently120/90-19 63M TTOwner's manual p. 154110/90-19 62MOwner's manual p. 6-40
Fork travel305 mm (12.0 in)Owner's manual p. 152 Not yet verified
Shock travel293 mm (11.5 in)Owner's manual p. 152 Not yet verified
Engine oil capacityPrinted differently1200 ml (40.6 fl oz)Owner's manual p. 1521050 ml (35.5 fl oz)Owner's manual p. 6-26
Coolant capacityPrinted differently950 ml (32.1 fl oz)Owner's manual p. 1521100 ml (37.2 fl oz)Owner's manual p. 3-6
Seat heightPrinted differently946 mm (37.2 in)Owner's manual p. 153960 mm (37.8 in)Manufacturer spec sheet (research)
WeightPrinted differently103.3 kg (228 lb)Owner's manual p. 153112 kg (247 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. Husqvarna FC 450: 520 chains · Front tires 80/100-21 · Rear tires 120/90-19. Suzuki RM-Z450: 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.