2024Suzuki RM-Z450

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The 2024 Suzuki RM-Z450 is a competitive motocross bike engineered for experienced off-road racers seeking high performance on the track. Its liquid-cooled 449cc single-cylinder engine delivers strong power with fuel injection precision, while the aggressive handling characteristics and race-focused suspension make it ideal for serious competition at the amateur and professional levels.

Capacity: 449.0 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Dry weight: 101.5 kg
Seat height: 955 mm
Power: 56.0 HP (41.2 kW)

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What’s new for the 2024 Suzuki RM-Z450

vs the 2023

Spec	2023	2024
Fuel capacity	6.30 litres (1.66 US gallons)	6.20 litres (1.64 US gallons)
Front suspension	Inverted telescopic, coil spring, oil damped, adjustable damping force	Telescopic, coil spring, oil damped
Rear suspension	BFRC-link type, coil spring, oil damped, adjustable spring preload and damping force	Link type, coil spring, oil damped
Compression	12.5:1	12.2:1

Other years 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail96%

Cornering88%

City riding5%

Daily riding10%

Touring5%

Two-up0%

Track85%

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?

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Your height

Inseam (optional)

Units

At 955mm, a rider of 175cm with a 79cm (estimated) inseam will not reach the ground comfortably on the 2024 Suzuki RM-Z450, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

Find bikes that fit your height →

Full specifications

Engine

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: 12.2:1
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

Dimensions & weight

Wheelbase: 1480 mm
Overall length: 2185 mm
Overall width: 830 mm
Overall height: 1260 mm
Seat height: 955 mm
Dry weight: 101.5 kg
Wet weight: 112.0 kg
Fuel capacity: 6.20 litres
Ground clearance: 330 mm

Chassis & suspension

Frame: Aluminum alloy, twin-spar
Front suspension: Telescopic, coil spring, oil damped
Rear suspension: Link type, coil spring, oil damped
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: 80/90-21
Rear tyre: 110/90-19

Other

Color options: Solid Black/Champion Yellow No. 2

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	2022	2024	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	955 mm	960 mm
Fuel capacity	7 L	6.2 L	6.2 L	6.3 L	6.2 L	6.3 L