17 May. Sunday 2026
Rm Z450 - 2025 Specifications and Reviews
The 2025 Suzuki RM-Z450 is a competitive motocross machine designed for intermediate to advanced riders seeking reliability and performance on the track. Powered by a liquid-cooled 449cc four-stroke single-cylinder engine with fuel injection, it delivers consistent power and precise throttle response. Known for its proven engineering and agile handling, the RM-Z450 remains a formidable choice in the 450cc motocross class.
2025
General information | |
| Color Options | Champion Yellow |
| Price | US$ 9299. MSRP depends on country, taxes, accessories, etc. |
| Category | Cross / motocross |
| Model | Suzuki RM-Z450 |
| | |
Engine and Transmission Specifications | |
| Starting | Kick |
| Clutch | Wet, multi-plate |
| Final Drive | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling System | Liquid |
| Ignition | CDI |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) |
| Induction | Injection. 44mm throttle body |
| Valves Per Cylinder | 4 |
| Bore x Stroke | 96.0 x 62.1 mm (3.8 x 2.4 inches) |
| Compression Ratio | 12.5:1 |
| Engine Details | Aluminum cylinder with Suzuki Composite Electrochemical Material (SCEM) coating |
| Engine Type | Single cylinder, four-stroke |
| Capacity | 449.0 ccm (27.40 cubic inches) |
Physical measures and capacities | |
| Fuel Capacity | 6.30 litres (1.66 US gallons) |
| Wheelbase | 1480 mm (58.3 inches) |
| Ground Clearance | 330 mm (13.0 inches) |
| Overall Width | 835 mm (32.9 inches) |
| Overall Length | 2175 mm (85.6 inches) |
| Overall Height | 1260 mm (49.6 inches) |
| Seat Height | 960 mm (37.8 inches) If adjustable, lowest setting. |
| Wet Weight | 112.0 kg (246.9 pounds) |
| | |
Rm Z450 dimensions and frame | |
| Wheels | Black anodized rims with a cross-section. Bridgestone X30 tires. |
| Rear Brakes | Single disc |
| Brake Disc Diameter | 270 mm (10.6 inches) |
| Front Brakes | Single disc |
| Rear Tyre | 110/90-19 |
| Front Tyre | 80/100-21 |
| Rear Suspension | BFRC-link type, coil spring, oil damped, adjustable spring preload and damping force |
| Front Suspension | Inverted telescopic, coil spring, oil damped, adjustable damping force |
| Frame | Aluminum alloy, twin-spar |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 Suzuki RM-Z450 discussion group or the general Suzuki discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Chain links | 114 |
| Chain size | 520 |
| Spark plugs | NGK DIMR8C10 |
| Update specs | Report missing specs or required updates. |
| Warranty | No warranty |
| Driveline | DID 520DMA2K, 114 links |
| Lubrication system | Semi-dry sump |
| Year of manufacture | 2025 |
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