KTM 125 SX - 2022 Specifications and Reviews
The 2022 KTM 125 SX is a lightweight two-stroke enduro bike designed for young riders and beginners entering competitive off-road racing. Its 124.8cc single-cylinder engine delivers 15 horsepower with sharp power delivery, making it ideal for learning fundamental dirt bike skills. Known for its nimble handling and aggressive styling, the 125 SX excels in technical terrain and remains a popular choice in junior motocross classes.
General information | |
| Category | Enduro / offroad |
| Year | 2022 |
| Model | KTM 125 SX |
Engine and Transmission Specifications | |
| Driveline | 5/8  x  1/4 (520) O Ring. Primary drive: 22:72. |
| Clutch | Multi-plate clutch, Brembo hydraulics |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | Kokusan EMS |
| Fuel system | Injection |
| Bore x Stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Power | 15.0 HP (10.9 kW) |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 124.8 ccm (7.62 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc |
| Diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc |
| Rear tire | 150-17 |
| Front tire | 110-17 |
| Rear wheel travel | 300 mm (11.8 inches) |
| Rear Suspension | WP XACT Monoshock with linkage |
| Front wheel travel | 310 mm (12.2 inches) |
| Front Suspension | WP XACT-USD, Ø 48 mm |
| Rake (fork angle) | 26.1° |
| Frame type | Central double-cradle-type 25CrMo4 steel |
Physical measures and capacities | |
| Fuel capacity | 7.50 litres (1.98 US gallons) |
| Ground clearance | 375 mm (14.8 inches) |
| Seat height | 950 mm (37.4 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.1714 HP/kg |
| Dry weight | 87.5 kg (192.9 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Kick |
| Color options | White/orange/blue |
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.
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Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2022 KTM 125 SX is an incredibly agile and powerful motocross bike that is sure to impress riders of all skill levels. With its lightweight frame and powerful 125cc engine, this bike is perfect for tackling tight corners and fast straightaways. The advanced suspension system provides excellent handling and control, making it a top choice for competitive off-road racing. Additionally, the KTM 125 SX features top-of-the-line components and technology, ensuring a smooth and thrilling ride every time. In conclusion, the 2022 KTM 125 SX is a fantastic choice for anyone looking for a high-performance motocross bike. Its lightweight design, powerful engine, and advanced suspension make it a top contender in the motocross world. Whether you're a seasoned rider or just starting out, the KTM 125 SX is sure to deliver an adrenaline-pumping experience that will leave you wanting more.Add a Comment
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