Key performance

60 ch
Power
🔧
449 cc
Displacement
💺
960 mm
Seat height
6.3 L
Fuel capacity
💰
9 399 €
New price
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Technical specifications

Changements 2015 2024
Engine type
Single cylinder, four-stroke Monocylindre, 4 temps
Cooling
Liquid liquide
Compression ratio
12.5:1 12.5 : 1
Bore × stroke
96.0 x 62.1 mm (3.8 x 2.4 inches) 96 x 62.1 mm
Valve timing
Double Overhead Cams/Twin Cam (DOHC)
Lubrication
Semi-dry sump
Ignition
Electronic ignition
Starter
Kick
Gearbox
5-speed boîte à 5 rapports
Final drive
Chain   (final drive) Chaîne
Front suspension
Inverted telescopic, coil spring, oil damped Fourche téléhydraulique inversée Ø nc
Rear suspension
Link type, coil spring, oil damped Mono-amortisseur
Front brakes
Single disc Freinage 1 disque Ø 270 mm, étrier 2 pistons
Rear brakes
Single disc Freinage 1 disque
Front tyre
80/100-21 80/100-21
Rear tyre
110/90-19 110/90-19
Seat height
955.00 mm 960.00 mm
Wheelbase
1495.00 mm
Ground clearance
325.00 mm
Length
2190.00 mm
Width
830.00 mm
Height
1270.00 mm
Fuel capacity
6.20 L 6.30 L
Weight
113.00 kg
Dry weight
112.00 kg
New price
8 299 € 9 399 €

Engine

Displacement
449 cc
Power
60.0 ch (44.1 kW)
Engine type
Monocylindre, 4 temps
Cooling
liquide
Compression ratio
12.5 : 1
Bore × stroke
96 x 62.1 mm
Valves/cylinder
4
Camshafts
2 ACT
Fuel system
Injection

Chassis

Frame
périmétrique en aluminium
Gearbox
boîte à 5 rapports
Final drive
Chaîne
Front suspension
Fourche téléhydraulique inversée Ø nc
Rear suspension
Mono-amortisseur

Brakes

Front brakes
Freinage 1 disque Ø 270 mm, étrier 2 pistons
Rear brakes
Freinage 1 disque
Front tyre
80/100-21
Rear tyre
110/90-19

Dimensions

Seat height
960.00 mm
Fuel capacity
6.30 L
Dry weight
112.00 kg
New price
9 399 €

Overview

Can a motocross bike afford to stagnate when all the competition is making significant progress? That’s the risky bet Suzuki is taking with its RM-Z450, which seems to be evolving at a different pace, almost out of sync. At nearly €9,400, it displays a serious price tag for a machine that, on paper, retains its fundamentals. Its dry weight of 112 kg and its 449 cm3 single-cylinder engine delivering 60 horsepower place it in the big leagues, but with a particularity that is striking: the Suzuki RM-Z450 is the only 450 motocross bike not equipped as standard with an electric starter. A detail? On uneven terrain, after a fall, this absence weighs heavily, literally and physically. It embodies a pure and hard, almost retro, side that will appeal to nostalgic riders of direct mechanics, but could deter those seeking ease of use.

Suzuki RM-Z450

However, let’s not be mistaken, this machine hides sophisticated electronics where we least expect it. Its S-HAC system, dedicated to starts, offers three maps to adapt to the terrain, from dirt track to concrete. It is a valuable, intelligent tool, which contrasts with the absence of a starter. The engine, revised on the intake and injection, promises a more linear torque curve and a crisp response. Combined with the standard MX Tuner 2.0 unit, which allows for fine tuning of the injection and ignition via smartphone, the machine becomes customizable to the extreme. We are far from the supposed archaism. The chassis, with its refined aluminum perimeter frame and lightweight swingarm, aims for agility and precision in corners. The Showa suspension, with its BFRC rear shock derived from the GSX-R, focuses on control and comfort.

So, who is the target rider for this RM-Z450? Certainly not the beginner, frightened by the kick and the liveliness of a 450. It is a weapon for the diligent practitioner, the club rider who lives for the track, ready to sacrifice a little convenience for a sensation of mechanical purity. It is aimed at those who like to adjust, refine, and who consider kick-starting as a ritual. Faced with competitors such as the KTM 450 SX-F or the Yamaha YZ450F, crammed with electronics and modern comfort, the Suzuki stands out as an independent. It reminds us that motocross, before being a matter of gadgets, is a story of feeling and raw connection with the machine. Its price, €9,399, is it justified without the electric starter? That’s the big debate. For some, it’s an unacceptable shortcoming in 2024. For others, it’s the price to pay for preserved authenticity.

Indicators & positioning

🔧
Volumetric power
131.8 ch/L
In category Cross / motocross · 225-898cc displacement (383 motorcycles compared)
Power 59 ch Top 17%
17 ch median 47 ch 63 ch

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