Key performance
Technical specifications
- Power
- 60.0 ch (44.1 kW) → —
- Engine type
- Monocylindre, 4 temps → Single cylinder, four-stroke
- Cooling
- liquide → Liquid
- Compression ratio
- 12.5 : 1 → 12.5:1
- Bore × stroke
- 96 x 62.1 mm → 96.0 x 62.1 mm (3.8 x 2.4 inches)
- Valve timing
- — → Double Overhead Cams/Twin Cam (DOHC)
- Lubrication
- — → Semi-dry sump
- Ignition
- — → Electronic ignition
- Starter
- — → Kick
- Frame
- périmétrique en aluminium → Overall Length
- Gearbox
- boîte à 5 rapports → 5-speed
- Final drive
- Chaîne → Chain (final drive)
- Front suspension
- Fourche téléhydraulique inversée Ø nc → Inverted telescopic, coil spring, oil damped
- Rear suspension
- Mono-amortisseur → Link type, coil spring, oil damped
- Front brakes
- Freinage 1 disque Ø 270 mm, étrier 2 pistons → Single disc
- Rear brakes
- Freinage 1 disque → Single disc
- Front tyre
- 80/100-21 → 80/100-M,
- Rear tyre
- 110/90-19 → 110/90-M,19
- Seat height
- 960.00 mm → 955.00 mm
- Wheelbase
- — → 1495.00 mm
- Ground clearance
- — → 325.00 mm
- Length
- — → 2190.00 mm
- Width
- — → 830.00 mm
- Height
- — → 1270.00 mm
- Fuel capacity
- 6.30 L → 6.20 L
- Weight
- — → 113.00 kg
- Dry weight
- 112.00 kg → 113.00 kg
- New price
- 9 190 € → 8 299 €
Engine
- Displacement
- 449 cc
- Engine type
- Single cylinder, four-stroke
- Cooling
- Liquid
- Compression ratio
- 12.5:1
- Bore × stroke
- 96.0 x 62.1 mm (3.8 x 2.4 inches)
- Valves/cylinder
- 4
- Camshafts
- 2 ACT
- Fuel system
- Injection
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Lubrication
- Semi-dry sump
- Ignition
- Electronic ignition
- Starter
- Kick
Chassis
- Frame
- Overall Length
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Front suspension
- Inverted telescopic, coil spring, oil damped
- Rear suspension
- Link type, coil spring, oil damped
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 80/100-M,
- Rear tyre
- 110/90-M,19
Dimensions
- Seat height
- 955.00 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
- Weight
- 113.00 kg
- Dry weight
- 113.00 kg
- New price
- 8 299 €
Overview
Does a motocross bike absolutely need an electric starter to remain credible? Suzuki, with its RM-Z450, seems to defend a contrary opinion. In 2013, as the trend was emerging, the Hamamatsu manufacturer made a deliberate choice: to prioritize the essentials and the rider’s feel. With a stated weight of 113 kg, this machine is a pure expression of the motocross mentality, where every gram counts. Its 6.2-liter fuel tank also recalls that its playground is the track, not long traverses.

The heart of the beast is a 449 cc single-cylinder engine that has received valuable attention. Engineers reduced the weight of the piston by 13% and equipped it with a DLC-coated pin, a technology borrowed from the Hayabusa to reduce friction. The result is a crisp response to the throttle, with torque that is willing in the mid-range. The five-speed gearbox has been reworked for smoother shifts, and the ECU, now completely waterproof, can face mud without flinching. It is a mechanical system that speaks clearly to the rider, without filters or artifice.
The chassis follows the same philosophy. The frame has been reworked for better rigidity/agility balance, and the major novelty lies in the 48 mm Showa SFF fork. This system separating damping and spring in each leg promises finer adjustment and more pure sensations. It is here that the character of the Suzuki is revealed: a machine for those who want to feel the track, adjust their style, and not simply endure electronic settings.
So, who is the rider of the RM-Z450 2013? Certainly not a beginner. It is an experienced motorcyclist, a purist who seeks mechanical connection and accepts to kick-start the single-cylinder. At over €8,000 at the time, it was a commitment to raw performance. And if we wonder today what the price of the Suzuki RM-Z450 2025 is, it must be understood that this philosophy has a cost, but also an unalterable value for those who refuse superfluous sophistication. Faced with competitors often more assisted, the Suzuki claims its status as a demanding and rewarding tool, a lesson in priorities where weight and feel take precedence over modern comfort.
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