1987ATK NX 250
28 fields on record
The 1987 ATK NX 250 is a lightweight enduro bike designed for off-road enthusiasts and trail riders seeking nimble handling and versatility. Powered by a liquid-cooled 249cc four-stroke single with six-speed transmission, it excels in technical terrain and delivers reliable performance across varied conditions. Known for its manageable weight and accessible power delivery, the NX 250 suits intermediate to experienced off-road riders tackling adventure riding and enduro competition.
- Capacity
- 249.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 128.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 24.9 HP (18.3 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists for trail riding, enduro competition, and technical off-road terrain rather than any street or highway use.
- Built for
- It's a lightweight, high-revving, liquid-cooled single with premium WP suspension, giving it a nimble, aggressive, hardcore off-road personality typical of boutique 1980s enduro machines.
- Not ideal for
- It's not for riders wanting comfort, passenger capability, long-distance touring range, or paved-road performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 249.0 ccm
- Power
- 24.9 HP (18.3 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1945 HP/kg (dry)
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Ignition
- CDI
- Valves per cylinder
- 4
- Lubrication system
- Wet sump
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- wet plate
Dimensions & weight
- Wheelbase
- 1473 mm
- Overall width
- 820 mm
- Dry weight
- 128.0 kg
- Fuel capacity
- 8.70 litres
- Ground clearance
- 323 mm
- Oil capacity
- 1.80 litres
- Seat height
- Not on record - add it
Chassis & suspension
- Front suspension
- WP USD
- Rear suspension
- WP Multi Adjuster Shock
Brakes & wheels
- Front brakes
- Single disc. 2-piston calipers
- Front brakes diameter
- 240 mm
- Rear brakes
- Expanding brake (drum brake)
- Front tyre
- 80/100-21
- Rear tyre
- 100/100-18
Other
- Color options
- Blue Frame - Red tank - White Fenders - 1 Inox radiatorcap
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the ATK NX 250?
The 1987 ATK NX 250 has a Capacity of 249.0 ccm (15.19 cubic inches).
What engine power does the ATK NX 250 have?
The 1987 ATK NX 250 has a Power of 24.9 HP (18.3 kW).
How many gears does the ATK NX 250 have?
The 1987 ATK NX 250 has a Gearbox of 6-speed.
How much does the ATK NX 250 weigh?
The 1987 ATK NX 250 has a Dry weight of 128.0 kg (282.2 pounds).
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