Enduro Bikes
2021Kawasaki KLX150BF
41 fields on record
The 2021 Kawasaki KLX150BF is a small trail bike with big wheels, sold mainly in Asia. Its air-cooled 144cc single makes 14.1 hp at 8,000 rpm and 11.3 Nm through a five-speed gearbox and chain. An 870 mm seat, 118 kg wet weight and 6.9-litre tank make it a good first trail bike.
- Capacity
- 144.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 118.0 kg
- Seat height
- 870 mm
- Power
- 14.1 HP (10.4 kW) @ 8000 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed as a lightweight trail and enduro machine for tackling dirt trails, light technical terrain, and casual off-road exploration rather than speed or distance.
- Built for
- A simple, rugged, low-stress trail companion that rewards playful, momentum-based riding over aggressive throttle use.
- Not ideal for
- Not suitable for highway commuting, two-up touring, or riders seeking strong acceleration and high top speed.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 144.0 ccm
- Power
- 14.1 HP (10.4 kW) @ 8000 RPM
- Torque
- 11.3 Nm (1.2 kgf-m) @ 6450 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1195 HP/kg (wet)
- Bore x stroke
- 58.0 x 54.4 mm
- Compression
- 9.5:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- CDI
- Valves per cylinder
- 2
- Lubrication system
- Forced lubrication, wet sump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet Multi-Disc
Dimensions & weight
- Wheelbase
- 1340 mm
- Overall length
- 2070 mm
- Overall width
- 950 mm
- Overall height
- 1155 mm
- Seat height
- 870 mm
- Wet weight
- 118.0 kg
- Fuel capacity
- 6.90 litres
- Ground clearance
- 295 mm
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Perimeter, Box-Section
- Front suspension
- Inverted Telescopic 35mm
- Rear suspension
- Uni-Trak , single gas-shock with 5-way preload adjustability
- Front wheel travel
- 175 mm
- Rear wheel travel
- 192 mm
- Rake (fork angle)
- 27.1°
- Trail
- 101 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 240 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 190 mm
- Front tyre
- 2.75-21
- Rear tyre
- 4.1-18
Other
- Color options
- Eboney
- Warranty
- 24
Specs last verified against published sources: .
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2016 | 2018 | 2020 | 2021 | 2022 | 2024 |
|---|---|---|---|---|---|---|
| Capacity | 144 cc | 144 cc | 144 cc | 144 cc | 144 cc | 144 cc |
| Seat height | 870 mm | 870 mm | 870 mm | 870 mm | 870 mm | 870 mm |
| Fuel capacity | 6.9 L | 6.9 L | 6.9 L | 6.9 L | 6.9 L | 7 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Kawasaki KLX150BF?
The 2021 Kawasaki KLX150BF has a Capacity of 144.0 ccm (8.79 cubic inches).
What engine power does the Kawasaki KLX150BF have?
The 2021 Kawasaki KLX150BF has a Power of 14.1 HP (10.4 kW) @ 8000 RPM.
How many gears does the Kawasaki KLX150BF have?
The 2021 Kawasaki KLX150BF has a Gearbox of 5-speed.
What is the torque of the Kawasaki KLX150BF?
The 2021 Kawasaki KLX150BF has a Torque of 11.3 Nm (1.2 kgf-m or 8.3 ft.lbs) @ 6450 RPM.
How much does the Kawasaki KLX150BF weigh?
The 2021 Kawasaki KLX150BF has a Wet weight of 118.0 kg (260.1 pounds).
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