Kawasaki Ninja 650L SE - 2021 Specifications and Reviews

The 2021 Kawasaki Ninja 650L SE is an accessible sport bike designed for new and intermediate riders seeking a reliable, manageable platform. Its 649cc liquid-cooled twin engine delivers 67.3 horsepower with linear power delivery, making it ideal for learning proper riding techniques without overwhelming performance. Known for its nimble handling, upright ergonomics, and fuel-efficient operation, this model excels as both a capable commuter and weekend sport tourer.

2021
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General information

CategorySport
Year2021
ModelKawasaki Ninja 650L SE

Engine and Transmission Specifications

DrivelineO-Ring Chain
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemForced lubrication, semi-dry sump
IgnitionTCBI with digital advance
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. DFI® with dual 38mm Keihin throttle bodies
Valves per Cylinder2
Bore x Stroke83.0 x 60.0 mm (3.3 x 2.4 inches)
Compression10.8:1
Torque66.0 Nm (6.7 kgf-m or 48.7 ft.lbs) @ 6500 RPM
Power67.3 HP (49.1 kW) @ 8000 RPM
Engine typeTwin, four-stroke
Capacity:649.0 ccm (39.60 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. Petal disc and single piston caliper. ABS.
Diameter300 mm (11.8 inches)
Front brakesDouble disc. Petal discs and two-piston calipers. ABS.
Rear tire160/60-17
Front tire120/70-17
Rear wheel travel130 mm (5.1 inches)
Rear SuspensionHorizontal back-link with adjustable spring preload
Front wheel travel124 mm (4.9 inches)
Front Suspension41mm hydraulic telescopic fork
Trail99 mm (3.9 inches)
Rake (fork angle)24.0°
Frame typeTrellis, high-tensile steel
 
 

Physical measures and capacities

Fuel capacity15.00 litres (3.96 US gallons)
Wheelbase1410 mm (55.5 inches)
Ground clearance130 mm (5.1 inches)
Overall width740 mm (29.1 inches)
Overall length2055 mm (80.9 inches)
Overall height1135 mm (44.7 inches)
Seat height790 mm (31.1 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc192.0 kg (423.3 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty24 month warranty unlimited mileage
LightDual headlamp
InstrumentsAnalogue-style tachometer and multi-function dual-window LCD screen
StarterElectric
Color optionsMetallic spark Black/ Pearl Nightshade Teal

Performance Profile & Rider Fit

67.3 hp
Peak Power
4.3s
0-60 mph

Best For

Track55%
City78%
Cornering75%
Daily Riding80%
Touring55%
Passenger60%

Rider Profile

Best ForA friendly, approachable middleweight that suits newer riders graduating from smaller bikes as well as experienced riders wanting a low-stress sportbike.
PurposeDesigned as a versatile everyday sportbike that balances commuting practicality with weekend twisty-road fun.
Rider FitThe low 790mm seat height and manageable 192kg wet weight make it accessible to shorter or less experienced riders without feeling flimsy.
CharacterA smooth, tractable parallel-twin delivers usable midrange power with an easygoing, confidence-inspiring nature rather than raw aggression.
Not Ideal ForNot for riders seeking flagship supersport performance, serious off-road capability, or long-haul touring comfort with heavy luggage.

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

Rider Fit Visualizer

2021 Kawasaki Ninja 650L SE Rider Ergonomics Assessment

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

Feet:

At 790mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Kawasaki Ninja 650L SE, with a cramped knee angle of around 70 degrees and a forward-leaning 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

Total comments: 1
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MotorcycleDB Review

The 2021 Kawasaki Ninja 650L SE is a sleek and powerful motorcycle that offers a fantastic ride experience. With a lightweight chassis and nimble handling, this bike is perfect for both city commuting and long highway rides. The 650cc parallel-twin engine delivers plenty of power, while the stylish design and LED lighting make the Ninja 650L SE stand out on the road. Whether you're a seasoned rider or new to the sport, this motorcycle offers a great balance of performance and comfort. Overall, the 2021 Kawasaki Ninja 650L SE is a top-notch choice for motorcycle enthusiasts. Its combination of power, handling, and style make it a standout option in the mid-sized sportbike category. If you're in the market for a reliable and thrilling ride, the Ninja 650L SE is definitely worth considering. Whether you're hitting the open road or navigating city streets, this motorcycle is sure to offer an exhilarating experience every time you hop in the saddle.
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