Suzuki RM-Z450 - 2022 Specifications and Reviews

The 2022 Suzuki RM-Z450 is a competitive 450cc motocross bike engineered for serious off-road racers and advanced riders. Powered by a liquid-cooled, fuel-injected single-cylinder four-stroke engine with DOHC and 12.5:1 compression, it delivers aggressive performance on the track. Known for its reliable power delivery and responsive handling, the RM-Z450 remains a top choice in the 450 class racing circuit.

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General information

CategoryCross / motocross
Year2022
ModelSuzuki RM-Z450
 
 

Engine and Transmission Specifications

DrivelineConstant-mesh
ClutchWet, multi-plate
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemLiquid
Lubrication systemSemi-dry sump
IgnitionCDI
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. 44mm throttle body
Valves per Cylinder4
Bore x Stroke96.0 x 62.1 mm (3.8 x 2.4 inches)
Compression12.5:1
Engine detailsAluminum cylinder with Suzuki Composite Electrochemical Material (SCEM) coating
Engine typeSingle cylinder, four-stroke
Capacity:449.0 ccm (27.40 cubic inches)

Brakes, suspension, Frame and wheels

WheelsBlack anodized rims with a cross-section. Bridgestone X30 tires.
Rear brakesSingle disc
Diameter270 mm (10.6 inches)
Front brakesSingle disc
Rear tire110/90-19
Front tire80/100-21
Rear SuspensionBFRC-link type, coil spring, oil damped, adjustable spring preload and damping force
Front SuspensionInverted telescopic, coil spring, oil damped, adjustable damping force
Frame typeAluminum alloy, twin-spar

Physical measures and capacities

Fuel capacity6.30 litres (1.66 US gallons)
Wheelbase1480 mm (58.3 inches)
Ground clearance330 mm (13.0 inches)
Overall width835 mm (32.9 inches)
Overall length2175 mm (85.6 inches)
Overall height1260 mm (49.6 inches)
Seat height960 mm (37.8 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc112.0 kg (246.9 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsTraction management system
Factory warrantyNo warranty
StarterKick
Color optionsChampionship Yellow/Blue

Maintenance and service data

Chain links114
Chain size520

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering88%
Daily Riding10%
Touring5%
Passenger0%

Rider Profile

Best ForThis bike suits experienced off-road and motocross riders comfortable with a tall seat height, aggressive power delivery, and no electric start.
PurposeBuilt purely for motocross track and off-road competition, not for street or commuting use.
Rider FitDemands strong physical fitness, core strength, and good bike control due to its tall stance, firm suspension, and kick-start operation.
CharacterA raw, high-revving, single-cylinder motocross machine that rewards aggressive riding with sharp handling and explosive acceleration out of corners.
Not Ideal ForNot suitable for beginners, passengers, daily road commuting, or anyone seeking comfort or long-distance touring capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2022 Suzuki RM-Z450 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 960mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2022 Suzuki RM-Z450, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2022 Suzuki RM-Z450 is a powerful and reliable motocross bike that offers top-notch performance for riders of all skill levels. With its lightweight design and responsive handling, this bike is a joy to ride on any terrain. The 449cc engine provides plenty of power, and the fuel injection system ensures consistent performance in all conditions. The RM-Z450 also features a comfortable and ergonomic design, making it easy to handle during long rides or intense races. Overall, this bike is a fantastic option for anyone looking for a high-performance motocross machine. If you're in the market for a new motocross bike, the 2022 Suzuki RM-Z450 is definitely worth considering. With its impressive power, responsive handling, and comfortable design, this bike offers everything you need to dominate on the track or trails. Whether you're a seasoned pro or a beginner, the RM-Z450 has the performance and reliability to satisfy any rider. Plus, with Suzuki's reputation for quality and durability, you can trust that this bike will provide years of excitement and fun.
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