Motocross Bikes
2020Suzuki RM-Z450
40 fields on record
The 2020 Suzuki RM-Z450 is a competitive 450cc motocross bike designed for intermediate to advanced riders seeking proven performance on the track. Known for its reliable traction management system and lightweight construction at 112kg, it delivers nimble handling and responsive power delivery. Championship Yellow aesthetics match its race-oriented character, making it a solid choice for serious weekend warriors and competitive riders.
- 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 2020 Suzuki RM-Z450
vs the 2019| Spec | 2019 | 2020 |
|---|---|---|
| Front suspension | Inverted telescopic, coil spring, oil damped, adjustable damping force | Showa inverted telescopic, coil spring, oil damped, adjustable damping force |
| Rear suspension | BFRC - link type, coil spring, oil damped, adjustable spring preload and damping force | Showa BFRC - link type, coil spring, oil damped, adjustable spring preload and damping force |
Other years
2005
2006
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2009
2010
2011
2012
2013
2014
2015
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2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross track and off-road competition, not for street or commuting use.
- Built for
- A raw, high-revving, single-cylinder motocross machine that rewards aggressive riding with sharp handling and explosive acceleration out of corners.
- Not ideal for
- Not suitable for beginners, passengers, daily road commuting, or anyone seeking comfort or long-distance touring capability.
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
- Electronic
- Valves per cylinder
- 4
- Lubrication system
- Semi-dry sump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multi-plate rack-and-pinion clutch
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
- Showa inverted telescopic, coil spring, oil damped, adjustable damping force
- Rear suspension
- Showa BFRC - link type, coil spring, oil damped, adjustable spring preload and damping force
- 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
- Rear tyre
- 110/90-19
Other
- Color options
- Championship Yellow
- Comments
- Traction management system
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 | 2005 | 2011 | 2016 | 2020 | 2022 | 2027 |
|---|---|---|---|---|---|---|
| Capacity | 449 cc | 449 cc | 449 cc | 449 cc | 449 cc | 449 cc |
| Dry weight | 101 kg | 102 kg | 102 kg | 102 kg | 102 kg | 102 kg |
| Seat height | 995 mm | 955 mm | 955 mm | 960 mm | 960 mm | 960 mm |
| Fuel capacity | 7 L | 6.2 L | 6.2 L | 6.3 L | 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 2020 Suzuki RM-Z450 has a Capacity of 449.0 ccm (27.40 cubic inches).
What engine power does the Suzuki RM-Z450 have?
The 2020 Suzuki RM-Z450 has a Power of 56.0 HP (41.2 kW).
How many gears does the Suzuki RM-Z450 have?
The 2020 Suzuki RM-Z450 has a Gearbox of 5-speed.
How much does the Suzuki RM-Z450 weigh?
The 2020 Suzuki RM-Z450 has a Dry weight of 101.5 kg (223.8 pounds).
Shop this bike
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The 2020 Suzuki RM-Z450 is a high-performance motocross bike that offers a winning combination of power, agility, and durability. With its fuel-injected, 449cc engine, this bike is designed to deliver maximum performance on the track. The RM-Z450 also features a lightweight frame and advanced suspension system for exceptional handling and control. Whether you're hitting the jumps or navigating through tight corners, this bike is built to handle the demands of competitive motocross racing. With its sleek design and cutting-edge technology, the 2020 Suzuki RM-Z450 is sure to impress riders of all skill levels.
Overall, the 2020 Suzuki RM-Z450 is a top-of-the-line motocross bike that is sure to satisfy the needs of competitive riders. Its powerful engine and advanced suspension system make it a force to be reckoned with on the track. With its high-performance capabilities and durable construction, the RM-Z450 is an ideal choice for motocross enthusiasts who are looking for a bike that can handle the rigors of intense racing. Whether you're a seasoned pro or a beginner looking to step up your game, the 2020 Suzuki RM-Z450 is a bike that is worth considering for your next motocross adventure.
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