Key performance

50 ch
Power
🔧
903 cc
Displacement
⚖️
277 kg
Weight
💺
685 mm
Seat height
20.0 L
Fuel capacity
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Technical specifications

Engine

Displacement
903 cc
Power
49.6 ch @ 5700 tr/min (36.2 kW)
Torque
78.0 Nm @ 3700 tr/min
Engine type
V2, four-stroke
Cooling
Liquid
Compression ratio
9.5:1
Bore × stroke
88.0 x 74.2 mm (3.5 x 2.9 inches)
Valves/cylinder
4
Fuel system
Injection. DFI® 34mm throttle bodies (2), with sub-throttle valves
Valve timing
Single Overhead Cams (SOHC)
Ignition
TCBI with digital advance
Starter
Electric

Chassis

Frame
Double-cradle, steel
Gearbox
5-speed
Final drive
Belt   (final drive)
Clutch
Wet multi-disc
Front suspension
41mm hydraulic telescopic fork
Rear suspension
Triangle swingarm with Uni-Trak single shock
Front wheel travel
150 mm (5.9 inches)
Rear wheel travel
104 mm (4.1 inches)

Brakes

Front brakes
Single disc
Rear brakes
Single disc. Hydraulic.
Front tyre
80/90-21
Rear tyre
180/70-15

Dimensions

Seat height
685.00 mm
Wheelbase
1645.00 mm
Ground clearance
140.00 mm
Length
2405.00 mm
Width
895.00 mm
Height
1120.00 mm
Fuel capacity
20.00 L
Weight
276.70 kg

Overview

When Kawasaki decided to steer its Vulcan 900 toward a darker territory, the brand didn't seek to reinvent the mechanics. The 903 cm³ V-twin engine is strictly the same as the one that powers the Classic: 48 horsepower at 5700 rpm, 77.5 Nm of torque available from 3700 rpm, a five-speed gearbox, and belt drive. On paper, nothing distinguishes the two cousins. Under the fairing, it’s a different story.

Kawasaki Vulcan 900 Custom

What immediately strikes you about the Kawasaki Vulcan 900 Custom is the stylistic intention. The matte black exhausts, the red stripe that contrasts with the dark bodywork, the short rear fender that exposes the line: everything here aims to harden the proposition. The 21-inch double-spoke front wheel is the showstopper. On the Classic, there are 16-inch spoked wheels, something more sensible, more retro. Here, the front end takes on a distinctly more aggressive, almost menacing posture. It’s precisely this change in diameter that gives the motorcycle its own personality, far more than any sticker.

The drag-bar handlebar, the replaced seat, the footpegs pulled back: the ergonomics push the rider into a less reclined position than on the Classic. It's not a racer's position, obviously. With 278 kg fully fueled and a seat height of 685 mm, it remains in the register of accessible custom, one that suits an experienced rider without excluding average builds. The 20-liter tank ensures range, and the top speed announced at 170 km/h does not encourage prolonged highway bravery, but no one buys this type of machine to break records.

Facing the Harley-Davidson Iron 883, an essential reference in this segment, the used or new Kawasaki Vulcan 900 Custom presents a significant argument: a price identical to that of the Classic, namely €8399. Harley asks considerably more for a smaller displacement. The Kawasaki responds with a more generous V-twin in terms of torque and a solid steel double cradle frame. The suspension, 41 mm fork at the front and a single shock at the rear, is not delicate but remains consistent with the usage. The braking, a 300 mm disc at the front and 270 mm at the rear, is sufficient without being brilliant.

Whether you are looking for a Kawasaki Vulcan 900 Custom 2016, 2019, 2021 or any vintage of this lineage, the proposition remains remarkably stable over time: a restrained custom, visually muscular, with a surprising engine and careful finish. It's not the machine that will make beautiful mechanics enthusiasts dream. It is an honest, well-dressed motorcycle that plays the card of character rather than performance. For the urban rider or weekend traveler who wants style without mortgaging their apartment, it is a consistent choice.

Indicators & positioning

Weight-to-power ratio
0.18 ch/kg
🔄
Torque / weight
0.28 Nm/kg
🔧
Volumetric power
54.9 ch/L
In category Custom / cruiser · 452-1806cc displacement (3325 motorcycles compared)
Power 50 ch Top 80%
39 ch median 67 ch 123 ch
Weight 277 kg Lighter than 52%
212 kg median 278 kg 363 kg
P/W ratio 0.18 ch/kg Top 89%
0.16 median 0.24 0.41 ch/kg

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