Kawasaki KLX300R - 2021 Specifications and Reviews

The 2021 Kawasaki KLX300R is a lightweight enduro bike designed for novice to intermediate off-road riders seeking affordable trail adventure. Its efficient 292cc liquid-cooled single-cylinder engine delivers manageable power with excellent fuel injection reliability, while the compact 6-speed transmission provides smooth power delivery across varied terrain. Known for its approachable handling, low seat height, and proven durability, the KLX300R excels as an entry-level off-road platform for riders developing their skills.

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General information

Price as new3.4  Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike.
CategoryEnduro / offroad
Year2021
ModelKawasaki KLX300R

Engine and Transmission Specifications

ClutchWet multi-plate
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemForced, semi-dry sump
IgnitionTCBI Electronic Advance
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. DFI® with 34mm Keihin throttle body
Valves per Cylinder4
Bore x Stroke78.0 x 61.2 mm (3.1 x 2.4 inches)
Compression11.0:1
Engine typeSingle cylinder, four-stroke
Capacity:292.0 ccm (17.82 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. Petal disc with a singel-piston caliper
Diameter270 mm (10.6 inches)
Front brakesSingle disc. Petal disc with a dual-piston caliper
Rear tire100/100-18
Front tire80/100-21
Rear wheel travel284 mm (11.2 inches)
Rear SuspensionUni-Trak® gas charged shock with piggyback reservoir with adjustable compression, rebound damping and spring preload
Front wheel travel284 mm (11.2 inches)
Front Suspension43mm inverted telescopic fork
Trail109 mm (4.3 inches)
Rake (fork angle)26.9°
Frame typeHigh-tensile steel,box-section perimeter

Physical measures and capacities

Fuel capacity7.95 litres (2.10 US gallons)
Wheelbase1435 mm (56.5 inches)
Ground clearance305 mm (12.0 inches)
Overall width825 mm (32.5 inches)
Overall length2120 mm (83.5 inches)
Overall height1250 mm (49.2 inches)
Seat height925 mm (36.4 inches) If adjustable, lowest setting.
Dry weight128.0 kg (282.2 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty6 months
StarterElectric & kick
Color optionsLime Green

Performance Profile & Rider Fit

Best For

Track20%
City15%
Cornering55%
Daily Riding20%
Touring15%
Passenger5%

Rider Profile

Best ForBest suited to intermediate to experienced off-road riders comfortable with a tall seat height and aggressive dirt geometry.
PurposeBuilt as a pure motocross-style off-road weapon for trail riding, cross-country racing, and technical terrain rather than street use.
Rider FitThe tall 900mm seat height and light 128kg wet weight favor taller or more athletic riders who can manage standing and shifting body weight over rough terrain.
CharacterA sharp, lightweight, high-revving dirt machine that rewards aggressive, active riding and quick directional changes over rocks, jumps, and loose surfaces.
Not Ideal ForNot suitable for riders wanting a comfortable road-going commuter, a passenger-friendly machine, or long-distance paved touring.

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

Rider Fit Visualizer

2021 Kawasaki KLX300R Rider Ergonomics Assessment

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

Feet:

At 925mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2021 Kawasaki KLX300R, with a cramped knee angle of around 80 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

Total comments: 1
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MotorcycleDB Review

The 2021 Kawasaki KLX300R is a versatile and powerful off-road motorcycle that offers a smooth and responsive ride. With a 292cc liquid-cooled four-stroke engine, this bike has plenty of power to tackle any terrain. The lightweight chassis and long-travel suspension make it easy to maneuver over obstacles, while the electric start and six-speed transmission provide seamless control. The KLX300R also features aggressive styling and a comfortable seat, making it a great choice for both experienced and novice riders looking for an adrenaline-pumping off-road adventure. Overall, the 2021 Kawasaki KLX300R is a solid choice for anyone in the market for an off-road motorcycle. Its powerful engine, responsive handling, and comfortable design make it a great option for riders of all skill levels. Whether you're hitting the trails or navigating through challenging terrain, the KLX300R is sure to deliver an exhilarating and enjoyable riding experience.
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