Motocross Bikes
2027Suzuki RM Z450
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The 2027 Suzuki RM-Z450 is a 449cc four-stroke motocrosser for intermediate to advanced racers who value stable, predictable handling. For 2027 it switches to KYB suspension and gets a new silencer, rims and tyres, keeping its 5-speed gearbox, 960mm seat and 6.3-litre tank.
- Capacity
- 449.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 101.5 kg
- Seat height
- 960 mm
- Power
- 56.0 HP (41.2 kW)
What’s new for the 2027 Suzuki RM Z450
vs the 2026| Spec | 2026 | 2027 |
|---|---|---|
| Front suspension | Inverted telescopic, coil spring, oil damped, adjustable damping force | KYB inverted telescopic, coil spring, adjustable damping |
| Rear suspension | BFRC-link type, coil spring, oil damped, adjustable spring preload and damping force | KYB link type, coil spring, adjustable preload and damping |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross racing and off-road competition, not for general transportation.
- Built for
- A raw, lightweight, high-performance dirt weapon that rewards aggressive riding and precise inputs.
- Not ideal for
- This is not suitable for commuting, touring, carrying a passenger, or riders seeking comfort and road-going practicality.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 449.0 ccm
- Power
- 56.0 HP (41.2 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.5517 HP/kg (dry)
- Bore x stroke
- 96.0 x 62.1 mm
- Compression
- 12.5:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Kick
- Ignition
- CDI
- Valves per cylinder
- 4
- Lubrication system
- Semi-dry sump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multi-plate
Dimensions & weight
- Wheelbase
- 1480 mm
- Overall length
- 2175 mm
- Overall width
- 835 mm
- Overall height
- 1260 mm
- Seat height
- 960 mm
- Dry weight
- 101.5 kg
- Wet weight
- 112.0 kg
- Fuel capacity
- 6.30 litres
- Ground clearance
- 330 mm
Chassis & suspension
- Frame
- Aluminum alloy, twin-spar
- Front suspension
- KYB inverted telescopic, coil spring, adjustable damping
- Rear suspension
- KYB link type, coil spring, adjustable preload and damping
- Front wheel travel
- 310 mm
- Rear wheel travel
- 310 mm
- Rake (fork angle)
- 29.8°
- Trail
- 130 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 270 mm
- Rear brakes
- Single disc
- Front tyre
- 80/100-21 Bridgestone Battlecross X30
- Rear tyre
- 110/90-19 Bridgestone Battlecross X30
Other
- Color options
- Champion Yellow
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2026 | 2027 |
|---|---|---|
| Capacity | 449 cc | 449 cc |
| Dry weight | 102 kg | 102 kg |
| Seat height | 960 mm | 960 mm |
| Fuel capacity | 6.3 L | 6.3 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Suzuki RM Z450?
The 2027 Suzuki RM Z450 has a Capacity of 449.0 ccm (27.40 cubic inches).
What engine power does the Suzuki RM Z450 have?
The 2027 Suzuki RM Z450 has a Power of 56.0 HP (41.2 kW).
How many gears does the Suzuki RM Z450 have?
The 2027 Suzuki RM Z450 has a Gearbox of 5-speed.
How much does the Suzuki RM Z450 weigh?
The 2027 Suzuki RM Z450 has a Dry weight of 101.5 kg (223.8 pounds).
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