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Supermotos

1999KTM Sting 125

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The 1999 KTM Sting 125 is a lightweight supermoto designed for entry-level riders and urban commuters seeking nimble handling and easy maneuverability. Its liquid-cooled single-cylinder engine delivers modest power suitable for beginners, while the low 121kg weight and 6-speed transmission make it ideal for learning fundamental motorcycle skills in varied conditions.

Capacity
124.8 ccm
Engine
Single, two-stroke
Gearbox
6-speed
Dry weight
121.0 kg
Seat height
840 mm
Power
13.5 HP (9.9 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 1999 KTM Sting 125

vs the 1998
Spec19981999
Power 14.0 HP (10.3 kW) @ 7500 RPM 13.5 HP (9.9 kW)
Torque — 13.1 Nm (1.3 kgf-m or 9.7 ft.lbs)
Top speed — 102.0 km/h (63.4 mph)
Seat height 820 mm (32.3 inches) 840 mm (33.1 inches)
Other years 1997 1998 1999

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 25Agility 88Comfort 40Off-road 20Touring 20Road manners 65
Off-road & trail20%
Cornering75%
City riding85%
Daily riding55%
Touring20%
Two-up25%
Track45%
Best for
It's built for playful urban commuting and darting through city traffic rather than any serious speed or distance work.
Built for
The Sting 125 has a nimble, flickable, go-kart-like personality that rewards quick direction changes over raw power.
Not ideal for
It is not suited to highway touring, carrying a passenger long distances, or riders seeking strong acceleration and 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 us
At 840mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 1999 KTM Sting 125, with a relaxed knee angle of around 130 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

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Full specifications

Engine
Capacity
124.8 ccm
Power
13.5 HP (9.9 kW)
Torque
13.1 Nm (1.3 kgf-m)
Engine type
Single, two-stroke
Power/weight ratio
0.1116 HP/kg (dry)
Bore x stroke
56.0 x 50.7 mm
Compression
12.5:1
Cooling system
Liquid
Starting
Electric
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Performance
Top speed
102.0 km/h (63.4 mph)
Dimensions & weight
Wheelbase
1420 mm
Seat height
840 mm
Dry weight
121.0 kg
Wet weight
124.0 kg
Fuel capacity
8.50 litres
Front percentage of weight
46.5
Chassis & suspension
Front wheel travel
170 mm
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
320 mm
Rear brakes
Single disc
Rear brakes diameter
220 mm
Front tyre
110/70-17
Rear tyre
130/70-17

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 199719981999
Capacity 125 cc 125 cc 125 cc
Dry weight 121 kg 121 kg 121 kg
Seat height 820 mm 820 mm 840 mm
Fuel capacity 8.5 L 8.5 L 8.5 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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Common questions

What is the engine size of the KTM Sting 125?

The 1999 KTM Sting 125 has a Capacity of 124.8 ccm (7.62 cubic inches).

What engine power does the KTM Sting 125 have?

The 1999 KTM Sting 125 has a Power of 13.5 HP (9.9 kW).

How many gears does the KTM Sting 125 have?

The 1999 KTM Sting 125 has a Gearbox of 6-speed.

What is the torque of the KTM Sting 125?

The 1999 KTM Sting 125 has a Torque of 13.1 Nm (1.3 kgf-m or 9.7 ft.lbs).

How much does the KTM Sting 125 weigh?

The 1999 KTM Sting 125 has a Dry weight of 121.0 kg (266.8 pounds).

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