| MODEL | SUZUKI RM-Z 450 2005 - 2025 |
| Year | 2005 - 2025 |
| Engine Type | Single cylinder, four-stroke, DOHC, 4 valves, SCEM-coated aluminium cylinder |
| Displacement / Capacity | 449 cc / 27.40 cu in |
| Bore X Stroke | 96.0 x 62.1 mm / 3.8 x 2.4 in |
| Compression Ratio | 12.5:1 |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | Electronic |
| Induction | Fuel injection |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Semi-dry sump |
| Gear Box | 5-speed |
| Clutch | Wet, multi-plate, rack-and-pinion |
| Final Drive | Chain (DID520MXV4, 114 links) |
| CHASSIS SPECS | |
| Frame | Aluminium alloy, twin-spar |
| Front Suspension | Showa inverted telescopic fork, coil spring, oil damped, adjustable damping |
| Rear Suspension | Showa BFRC link type, coil spring, oil damped, adjustable preload and damping, 310 mm / 12.2 in travel |
| Front Brakes | Single disc, 270 mm / 10.6 in |
| Rear Brakes | Single disc |
| DIMENSION SPECS | |
| Overall Length | 2175 mm / 85.6 in |
| Overall Width | 835 mm / 32.9 in |
| Overall Height | 1260 mm / 49.6 in |
| Seat Height | 960 mm / 37.8 in |
| Wheelbase | 1480 mm / 58.3 in |
| Ground Clearance | 330 mm / 13.0 in |
| Dry Weight | — |
| Wet Weight | 112 kg / 246.9 lb |
| WHEEL SPECS | |
| Front Tyre | 80/100-21 |
| Rear Tyre | 110/90-19 |
| FUEL SYSTEM | |
| Fuel Capacity | 6.3 Litres / 1.66 US gal |
| Fuel Consumption | — |
| Top Speed | — |
Suzuki's open-class four-stroke motocross machine, built around a fuel-injected 449 cc single in an aluminium twin-spar frame. Recent versions add Showa suspension and a traction-management system. It is a closed-course race bike rather than a road-legal model.
