The Suzuki RM-Z450 motorcycle specifications include a 449 cc (27.40 cu in) engine, a 5-speed gearbox, and a listed weight of 101.5 kg (223.8 lb).
Key specifications
2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023Model years
449 ccDisplacement
101.5 kgDry weight
955 mmSeat height
6.2 LFuel tank
1,480 mmWheelbase
350 mmGround clearance
Model years covered
200820092011201220132014201520162017201820192020202120222023
Year-specific specification changes
The 2008 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Compression ratio
2012202312.5:1
Front suspension
2009Telescopic, coil spring, oil damped
20112012Telescopic inverted, coil spring, oil damped
20132015Inverted telescopic, coil spring, oil damped
20162017Inverted telescopic SFF-Air suspension
20182019Inverted telescopic, coil spring, oil damped, adjustable damping force
2020Showa inverted telescopic, coil spring, oil damped, adjustable damping force
20212023Inverted telescopic, coil spring, oil damped, adjustable damping force
Front tire
200980/90-21
2011201280/100-21
2013201480/100-M,
2015202380/100-21
Fuel system
20092020Injection
20212023Injection. 44mm throttle body
Rear suspension
2009Link type, coil spring, oil damped
20112012Swingarm, link type, coil spring, oil damped
20132015Link type, coil spring, oil damped
20162017Showa link type, coil spring, oil damped
20182019BFRC – link type, coil spring, oil damped, adjustable spring preload and damping force
2020Showa BFRC – link type, coil spring, oil damped, adjustable spring preload and damping force
20212023BFRC-link type, coil spring, oil damped, adjustable spring preload and damping force
Rear tire
20092012110/90-19
20132014110/90-M,19
20152023110/90-19
Wheelbase
201120171,495 mm (58.9 inches)
Fuel capacity
201820236.30 L (1.66 US gal)
Ground clearance
20112017325 mm (12.8 inches)
20182023330 mm (13.0 inches)
Ignition
20092011Electronic ignition (
2012Electronic
20132020Electronic ignition
20212023CDI
Lubrication
2009Semi Dry sump
2012Suzuki Advanced Sump System (SASS)
Overall height
201320171,270 mm (50.0 inches)
Overall length
201120122,190 mm (86.2 inches)
201320142,190 mm (86.2 inches) | Front
201520172,190 mm (86.2 inches)
201820232,175 mm (85.6 inches)
Overall width
20182023835 mm (32.9 inches)
Seat height
20182023960 mm (37.8 inches)
Additional useful specifications
| Front tire size | 90/90-21 |
|---|---|
| Rear tire size | 120/90-19 |
| Front tire width | 90 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 21 in |
| Rear tire width | 120 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 19 in |
| Bore/stroke ratio | 1.55:1 (Oversquare) |
Model information
| Category | Cross / motocross |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 449 cc (27.40 cu in) |
| Bore × stroke | 96.0 x 62.1 mm (3.8 x 2.4 inches) |
| Compression ratio | 12.2:1 |
| Cooling system | Liquid |
| Fuel system | Injection. Electronic Fuel Injection |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Digital CDI |
| Lubrication | Semi-dry sump |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front suspension | Telescopic, cartridge-type fully adjustable rebound, compression and pre-load settings |
|---|---|
| Rear suspension | Link-type, spring preload fullyadjustable rebound, compression and pre-load settings |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 90/90-21 |
| Rear tire | 120/90-19 |
Dimensions and weight
| Dry weight | 101.5 kg (223.8 lb) |
|---|---|
| Seat height | 955 mm (37.6 inches) |
| Overall length | 2,185 mm (86.0 inches) |
| Overall width | 830 mm (32.7 inches) |
| Overall height | 1,260 mm (49.6 inches) |
| Wheelbase | 1,480 mm (58.3 inches) |
| Ground clearance | 350 mm (13.8 inches) |
Fuel and emissions
| Fuel capacity | 6.20 L (1.64 US gal) |
|---|
Other specifications
| Color options | Yellow |
|---|---|
| Price as new | US$ 7199. MSRP depends on country, taxes, accessories, etc. |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Suzuki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Suzuki information before relying on them. Visit the official Suzuki website.