Enduro Bikes
2003KTM 125 EXC
34 fields on record
The 2003 KTM 125 EXC is a lightweight enduro machine designed for amateur and intermediate off-road riders seeking versatility across varied terrain. Its nimble 101.4 kg frame and liquid-cooled single-cylinder engine deliver responsive power ideal for trail riding and beginner-level competition. Known for exceptional maneuverability and accessibility, it remains a popular choice for those stepping up to serious off-road riding.
- Capacity
- 124.8 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 101.4 kg
- Seat height
- 925 mm
- Power
- 15.0 HP (11.0 kW)
What’s new for the 2003 KTM 125 EXC
vs the 2002| Spec | 2002 | 2003 |
|---|---|---|
| Dry weight | 104.0 kg (229.3 pounds) | 101.4 kg (223.5 pounds) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for competitive enduro and technical off-road riding, not for street use or general transportation.
- Built for
- A raw, high-strung two-stroke with sharp, explosive power and razor-quick handling that thrives on tight trails and technical terrain.
- Not ideal for
- It is not suitable for daily commuting, highway touring, carrying a passenger, or riders seeking comfort and predictability.
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
- 124.8 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1479 HP/kg (dry)
- Bore x stroke
- 54.0 x 54.5 mm
- Compression
- 11.0:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Kokusan digital 2K-3
- Lubrication system
- Mixture oil lubrication 1:40
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- wet multi-disc clutch, operated hydraulically
Dimensions & weight
- Wheelbase
- 1461 mm
- Seat height
- 925 mm
- Dry weight
- 101.4 kg
- Fuel capacity
- 9.00 litres
- Ground clearance
- 390 mm
Chassis & suspension
- Frame
- Chromium molybdenum
- Front suspension
- WP-USD 48 MA
- Rear suspension
- WP-PDS-shock absorber
- Front wheel travel
- 300 mm
- Rear wheel travel
- 335 mm
- Rake (fork angle)
- 27.0°
- Trail
- 116 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 216 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 260 mm
- Front tyre
- 90/90-21
- Rear tyre
- 120/90-18
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 | 2000 | 2003 | 2004 | 2008 | 2012 | 2016 |
|---|---|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc |
| Dry weight | 100 kg | 101 kg | 101 kg | 97 kg | 95 kg | 94 kg |
| Seat height | 925 mm | 925 mm | 925 mm | 960 mm | 960 mm | 960 mm |
| Fuel capacity | 9.5 L | 9 L | 9 L | 9.5 L | 9.5 L | 9.5 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 KTM 125 EXC?
The 2003 KTM 125 EXC has a Capacity of 124.8 ccm (7.62 cubic inches).
What engine power does the KTM 125 EXC have?
The 2003 KTM 125 EXC has a Power of 15.0 HP (11.0 kW).
How many gears does the KTM 125 EXC have?
The 2003 KTM 125 EXC has a Gearbox of 6-speed.
How much does the KTM 125 EXC weigh?
The 2003 KTM 125 EXC has a Dry weight of 101.4 kg (223.5 pounds).
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