KTM 125 SX - 2014 Specifications and Reviews
The 2014 KTM 125 SX is a lightweight motocross bike designed for young and amateur riders seeking competitive performance. Powered by a nimble 125cc two-stroke engine with liquid cooling and electronic ignition, it delivers sharp acceleration and responsive handling on the track. Known for its aggressive styling and proven KTM reliability, the 125 SX remains a popular choice for stepping up through motocross racing classes.
General information | |
| Category | Cross / motocross |
| Year | 2014 |
| Model | KTM 125 SX |
Engine and Transmission Specifications | |
| Driveline | 13:50. Primary drive: 23:73. |
| Clutch | Wet multi-disc clutch / hydraulically operated |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Ignition | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan |
| Fuel system | Carburettor |
| Bore x stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Engine details | Reed intake. |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 124.80 ccm (7.62 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc. Brake calipers on floating bearings |
| Front brakes diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc. Brake calipers on floating bearings |
| Rear suspension travel | 317 mm (12.5 inches) |
| Rear suspension | WP Â Suspension 5018 BAVP DCC |
| Front suspension travel | 300 mm (11.8 inches) |
| Front suspension | WP Â Suspension Up Side Down 4860 MXMA CC |
| Rake (fork angle) | 26.5° |
| Frame type | Central tube frame made of chrome molybdenum steel tubing |
| | |
Physical measures and capacities | |
| Fuel capacity | 7.50 litres (1.98 gallons) |
| Wheelbase | 1,480 mm (58.3 inches) |
| Ground clearance | 395 mm (15.6 inches) |
| Seat height | 992 mm (39.1 inches) If adjustable, lowest setting. |
| Dry weight | 90.8 kg (200.2 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Orange/black |
| Starter | Kick |
Performance Profile & Rider Fit
Best For
Track95%
City10%
Cornering90%
Daily Riding10%
Touring8%
Passenger5%
Rider Profile
| Best For | This is a full-on motocross competition bike best suited to intermediate through expert off-road riders, not beginners or casual road riders. |
| Purpose | Built purely for closed-course motocross racing, it excels at jumps, berms, and rapid direction changes on dirt tracks rather than any street use. |
| Rider Fit | The tall 958 mm seat height, aggressive ergonomics, and demanding 2-stroke power delivery require good rider fitness, strength, and prior dirt bike experience. |
| Character | Light, explosive, and razor-sharp in handling, it rewards aggressive riding with a peaky two-stroke power band and minimal weight to manage. |
| Not Ideal For | It is not suitable for commuting, highway travel, passengers, or riders seeking comfort, storage, or a forgiving low-end power delivery. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Shop This Bike
Rider Reviews
Add a Comment
Related Motorcycle Specifications
More KTM Motorcycles
- Motorcycles in database: 45863
- Technical specifications: 1490298
- Images of motorcycles: 72681
- Videos: 339
- Manufacturers: 501






































Please Login or Register if you would like to leave a comment.