Enduro Bikes
2021Suzuki RMX450Z
34 fields on record
The 2021 Suzuki RMX450Z is a competition enduro bike based on Suzuki's motocross racer. Its liquid-cooled 449cc single drives through a five-speed gearbox and chain. A tall 950 mm seat, 123.5 kg wet weight and 6.2-litre tank suit experienced off-road riders.
- Capacity
- 449.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 123.5 kg
- Seat height
- 950 mm
- Power
- 44.9 HP (33.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a competition-focused enduro bike for trails, cross-country racing, and technical off-road terrain rather than road use.
- Built for
- A raw, high-performance dirt machine that rewards aggressive, athletic riding with excellent agility and off-road capability.
- Not ideal for
- Not suitable for riders wanting comfort, pillion capability, long-distance touring, or everyday street commuting.
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
- 44.9 HP (33.0 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.3636 HP/kg (wet)
- Bore x stroke
- 96.0 x 62.1 mm
- Compression
- 11.6:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric & kick
- Ignition
- CDI
- Valves per cylinder
- 4
- Lubrication system
- Suzuki Advanced Sump System
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multi-plate
Dimensions & weight
- Wheelbase
- 1485 mm
- Overall length
- 2185 mm
- Overall width
- 840 mm
- Overall height
- 1265 mm
- Seat height
- 950 mm
- Wet weight
- 123.5 kg
- Fuel capacity
- 6.20 litres
- Ground clearance
- 320 mm
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Aluminum alloy twin-spar
- Front suspension
- Inverted telescopic, coil spring, oil damped, adjustable damping force
- Rear suspension
- Link type, coil spring, oil damped, adjustable spring preload and damping force
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 80/100-21
- Rear tyre
- 110/90-18
Other
- Color options
- Championship Yellow with black/blue accents
- Warranty
- 6
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 | 2010 | 2013 | 2016 | 2019 | 2021 | 2022 |
|---|---|---|---|---|---|---|
| Capacity | 449 cc | 449 cc | 449 cc | 449 cc | 449 cc | 449 cc |
| Seat height | 955 mm | 955 mm | 955 mm | 950 mm | 950 mm | 950 mm |
| Fuel capacity | 6.2 L | 6.2 L | 6.2 L | 6.2 L | 6.2 L | 6.2 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 RMX450Z?
The 2021 Suzuki RMX450Z has a Capacity of 449.0 ccm (27.40 cubic inches).
What engine power does the Suzuki RMX450Z have?
The 2021 Suzuki RMX450Z has a Power of 44.9 HP (33.0 kW).
How many gears does the Suzuki RMX450Z have?
The 2021 Suzuki RMX450Z has a Gearbox of 5-speed.
How much does the Suzuki RMX450Z weigh?
The 2021 Suzuki RMX450Z has a Wet weight of 123.5 kg (272.3 pounds).
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