Kawasaki Vulcan S Performance - 2021 Specifications and Reviews

The 2021 Kawasaki Vulcan S Performance is a lightweight middleweight cruiser designed for riders seeking approachable, nimble handling with authentic cruiser styling. Powered by a 649cc parallel-twin delivering 60.4 horsepower, it combines manageable performance with everyday practicality, making it ideal for newcomers to cruisers or those preferring a less demanding ride. Known for its responsive engine character and versatile nature, it excels in both commuting and weekend riding without demanding experienced rider skills.

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General information

CategoryCustom / cruiser
Year2021
ModelKawasaki Vulcan S Performance

Engine and Transmission Specifications

Greenhouse gases102.1 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption4.40 litres/100 km (22.7 km/l or 53.46 mpg)
DrivelineSealed chain
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
IgnitionTCBI with digital advance
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. DFI with two 38mm throttle bodies, with sub-throttles
Bore x Stroke83.0 x 60.0 mm (3.3 x 2.4 inches)
Compression10.8:1
Torque63.0 Nm (6.4 kgf-m or 46.5 ft.lbs) @ 6600 RPM
Power60.4 HP (44.1 kW) @ 7500 RPM
Engine typeTwin, four-stroke
Capacity:649.0 ccm (39.60 cubic inches)

Brakes, suspension, Frame and wheels

SeatVarious seat height options
Rear brakesSingle disc. ABS. Single-piston caliper.
Diameter300 mm (11.8 inches)
Front brakesDouble disc. ABS. Two-piston calipers.
Rear tire160/60-17
Front tire120/70-18
Rear SuspensionLay-down offset rear shock with linkage and adjustable preload
Front wheel travel130 mm (5.1 inches)
Front Suspension41mm telescopic fork
Trail120 mm (4.7 inches)
Rake (fork angle)31.0°
Frame typeTubular diamond, steel
 
 

Physical measures and capacities

Fuel capacity14.00 litres (3.70 US gallons)
Wheelbase1575 mm (62.0 inches)
Ground clearance130 mm (5.1 inches)
Overall width880 mm (34.6 inches)
Overall length2310 mm (90.9 inches)
Overall height1100 mm (43.3 inches)
Seat height705 mm (27.8 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc229.0 kg (504.9 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty12 Month Limited Warranty
StarterElectric
Color optionsMetallic Flat Raw Greystone, Ebony, Metallic Flat Spark Black

Performance Profile & Rider Fit

59.9 hp
Peak Power
5.8s
0-60 mph

Best For

Track20%
City68%
Cornering55%
Daily Riding70%
Touring50%
Passenger40%

Rider Profile

Best ForWell suited to newer riders and returning riders thanks to its manageable power delivery and low, accessible seat height.
PurposeBuilt for relaxed cruising and stylish everyday riding rather than outright performance or long-distance touring.
Rider FitThe low seat height and moderate 229 kg wet weight make it easy for shorter or less experienced riders to manage at a stop and in traffic.
CharacterA modern custom cruiser that blends a torquey parallel twin with sporty chassis geometry for a more engaging ride than typical cruisers.
Not Ideal ForNot the right choice for riders seeking high-speed touring comfort, passenger-friendly ergonomics, or any serious off-road capability.

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

Rider Fit Visualizer

2021 Kawasaki Vulcan S Performance Rider Ergonomics Assessment

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

Feet:

At 705mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Kawasaki Vulcan S Performance, with a cramped knee angle of around 75 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

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MotorcycleDB Review

The 2021 Kawasaki Vulcan S Performance motorcycle impresses with its powerful performance and sleek, modern design. With a 649cc parallel-twin engine, the Vulcan S delivers smooth acceleration and exceptional handling on the road. Its ergonomic design and adjustable components make it a comfortable ride for riders of all sizes, while the sporty yet practical styling makes it a standout choice in the performance motorcycle market. Overall, the 2021 Kawasaki Vulcan S Performance motorcycle offers a winning combination of power, style, and comfort. Whether you're a seasoned rider or just starting out, this bike delivers an exhilarating experience on the open road. With its versatile features and impressive performance, the Vulcan S is a top choice for motorcycle enthusiasts looking for a reliable and exciting ride.
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