Specs compared

Suzuki RM-Z250 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, seat height and weight. The same on both: chain pitch, front tire and coolant capacity. Checked 28 Sep 2026 and 16 Oct 2026.

SpecSuzuki RM-Z250 2027Suzuki RM-Z450 2027
EnginePrinted differently249cc 4T449cc 4T
Chain pitchSame520Manufacturer spec sheet (research)520Manufacturer spec sheet (research)
Front tireSame80/100-21 51MOwner's manual p. 6-4080/100-21 51MOwner's manual p. 6-40
Rear tirePrinted differently100/90-19 57MOwner's manual p. 6-40110/90-19 62MOwner's manual p. 6-40
Engine oil capacityPrinted differently950 ml (32.1 fl oz)Owner's manual p. 6-261050 ml (35.5 fl oz)Owner's manual p. 6-26
Coolant capacitySame1100 ml (37.2 fl oz)Owner's manual p. 3-61100 ml (37.2 fl oz)Owner's manual p. 3-6
Seat heightPrinted differently955 mm (37.6 in)Manufacturer spec sheet (research)960 mm (37.8 in)Manufacturer spec sheet (research)
WeightPrinted differently106 kg (234 lb)Manufacturer spec sheet (research)112 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. Suzuki RM-Z250: 520 chains · Front tires 80/100-21 · Rear tires 100/90-19. 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.