Specs compared
Honda CRF450R 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.
| Spec | Honda CRF450R 2027 | Suzuki RM-Z450 2027 |
|---|---|---|
| EnginePrinted differently | 450cc 4T | 449cc 4T |
| Stock gearing | 13T / 51TManufacturer spec sheet (research) | Not yet verified |
| Final drive ratio | 3.923 : 1Owner's manual p. 74 | Not yet verified |
| Chain pitchSame | 520Manufacturer spec sheet (research) | 520Manufacturer spec sheet (research) |
| Front tireSame | 80/100-21 51MOwner's manual p. 73 | 80/100-21 51MOwner's manual p. 6-40 |
| Rear tirePrinted differently | 120/90-19 66MOwner's manual p. 73 | 110/90-19 62MOwner's manual p. 6-40 |
| Fork travel | 310 mm (12.2 in)Manufacturer spec sheet (research) | Not yet verified |
| Shock travel | 305 mm (12.0 in)Manufacturer spec sheet (research) | Not yet verified |
| Engine oil capacityPrinted differently | 1070 ml (36.2 fl oz)Owner's manual p. 74 | 1050 ml (35.5 fl oz)Owner's manual p. 6-26 |
| Coolant capacityPrinted differently | 1080 ml (36.5 fl oz)Owner's manual p. 74 | 1100 ml (37.2 fl oz)Owner's manual p. 3-6 |
| Seat heightPrinted differently | 953 mm (37.5 in)Owner's manual p. 73 | 960 mm (37.8 in)Manufacturer spec sheet (research) |
| WeightPrinted differently | 108 kg (238 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. Honda CRF450R: 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.