What category is the 2021 Kawasaki Vulcan S?

The 2021 Kawasaki Vulcan S has a Category of Custom / cruiser.

What is the engine size of the 2021 Kawasaki Vulcan S?

The 2021 Kawasaki Vulcan S has a Capacity: of 649.0 ccm (39.60 cubic inches).

What type of engine does the 2021 Kawasaki Vulcan S have?

The 2021 Kawasaki Vulcan S has a Engine type of Twin, four-stroke.

What is the engine power of the 2021 Kawasaki Vulcan S?

The 2021 Kawasaki Vulcan S has a Power of 60.4 HP (44.1 kW) @ 7500 RPM.

What is the torque of the 2021 Kawasaki Vulcan S?

The 2021 Kawasaki Vulcan S has a Torque of 63.0 Nm (6.4 kgf-m or 46.5 ft.lbs) @ 6600 RPM.

Is the 2021 Kawasaki Vulcan S air cooled or liquid cooled?

The 2021 Kawasaki Vulcan S has a Cooling system of Liquid.

How many gears does the 2021 Kawasaki Vulcan S have?

The 2021 Kawasaki Vulcan S has a Gearbox of 6-speed.

What is the fuel consumption of the 2021 Kawasaki Vulcan S?

The 2021 Kawasaki Vulcan S has a Fuel consumption of 4.40 litres/100 km (22.7 km/l or 53.46 mpg).

How much does the 2021 Kawasaki Vulcan S weigh?

The 2021 Kawasaki Vulcan S has a Weight incl. oil, gas, etc of 226.0 kg (498.3 pounds).

What is the seat height of the 2021 Kawasaki Vulcan S?

The 2021 Kawasaki Vulcan S has a Seat height of 705 mm (27.8 inches) If adjustable, lowest setting..

Kawasaki Vulcan S - 2021 Specifications and Reviews

Name: 2021 Kawasaki Vulcan S
Brand: Kawasaki

The 2021 Kawasaki Vulcan S is a middleweight cruiser designed for riders seeking accessible performance and manageable handling. Its 649cc parallel-twin engine delivers smooth, predictable power with 60.4 horsepower, making it ideal for new riders and those preferring nimble cruiser dynamics over pure muscle. Known for its approachable ergonomics, responsive acceleration, and classic cruiser styling, the Vulcan S bridges the gap between beginner-friendly and capable performance.

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General information
Price as new	3.7 See the detailed rating of design and look, maintenance cost, engine performance, etc. Compare with any other bike.
Category	Custom / cruiser
Year	2021
Model	Kawasaki Vulcan S

Engine and Transmission Specifications
Greenhouse gases	102.1 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption	4.40 litres/100 km (22.7 km/l or 53.46 mpg)
Driveline	Sealed chain
Transmission type	Chain (final drive)
Gearbox	6-speed
Cooling system	Liquid
Ignition	TCBI with digital advance
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Fuel system	Injection. DFI with two 38mm throttle bodies, with sub-throttles
Bore x Stroke	83.0 x 60.0 mm (3.3 x 2.4 inches)
Compression	10.8:1
Torque	63.0 Nm (6.4 kgf-m or 46.5 ft.lbs) @ 6600 RPM
Power	60.4 HP (44.1 kW) @ 7500 RPM
Engine type	Twin, four-stroke
Capacity:	649.0 ccm (39.60 cubic inches)
Brakes, suspension, Frame and wheels
Seat	Various seat height options
Rear brakes	Single disc. Optional ABS. Single-piston caliper.
Diameter	300 mm (11.8 inches)
Front brakes	Double disc. Optional ABS. Two-piston calipers.
Rear tire	160/60-17
Front tire	120/70-18
Rear wheel travel	81 mm (3.2 inches)
Rear Suspension	Lay-down offset rear shock with linkage and adjustable preload
Front wheel travel	130 mm (5.1 inches)
Front Suspension	41mm telescopic fork
Trail	119 mm (4.7 inches)
Rake (fork angle)	31.0°
Frame type	High-tensile steel diamond frame

Physical measures and capacities
Fuel capacity	14.00 litres (3.70 US gallons)
Wheelbase	1575 mm (62.0 inches)
Ground clearance	130 mm (5.1 inches)
Overall width	880 mm (34.6 inches)
Overall length	2310 mm (90.9 inches)
Overall height	1100 mm (43.3 inches)
Seat height	705 mm (27.8 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	226.0 kg (498.3 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty	12 Month Limited Warranty
Starter	Electric
Color options	Metallic Flat Raw Graystone, Pearl Blizzard White

Performance Profile & Rider Fit

5.8s

0-60 mph (est.)

Best For

Track20%

City78%

Cornering55%

Daily Riding75%

Touring55%

Passenger45%

Rider Profile

Best For	Well suited to newer riders and those returning to biking who want a manageable, low-slung cruiser that isn't intimidating.
Purpose	Designed primarily for relaxed street cruising and commuting with a sporty edge rather than outright performance or long-distance touring.
Rider Fit	The low 27.8 inch seat height and moderate wet weight make it easy for shorter riders to handle at a stop and in slow-speed maneuvers.
Character	A approachable, torque-friendly parallel-twin cruiser that trades top-end excitement for smooth, confidence-inspiring everyday usability.
Not Ideal For	Not the right choice for riders chasing high-speed thrills, serious off-road capability, or long two-up touring comfort.

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

Rider Fit Visualizer

2021 Kawasaki Vulcan S Rider Ergonomics Assessment

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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, 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 is an impressive motorcycle that combines style, performance, and comfort. With its powerful 649cc parallel-twin engine, the Vulcan S delivers smooth and responsive acceleration, making it a joy to ride on both city streets and open highways. The ergonomic design and adjustable components make it easy for riders of all sizes to find a comfortable riding position, while the nimble handling and strong brakes inspire confidence on every corner. Whether you're a seasoned rider or a beginner, the Vulcan S offers a fantastic combination of power and control. Overall, the 2021 Kawasaki Vulcan S is a versatile and reliable motorcycle that is well-suited for a wide range of riders. Its sleek design, smooth performance, and comfortable ergonomics make it a great choice for daily commuting, weekend getaways, and everything in between. With its affordable price point and strong build quality, the Vulcan S is a top contender in the midsize cruiser market. Whether you're looking for a stylish and capable bike for your daily commute or a reliable companion for your next adventure, the 2021 Kawasaki Vulcan S is definitely worth considering.