
KTM 125 SX
Key specifications
Overview
Introducing the 2019 KTM 125 SX: a dominant force in the world of cross-motocross bikes, expertly engineered for the competitive edge. This lightweight powerhouse is perfect for aspiring riders and seasoned racers alike, embodying KTM’s commitment to performance and innovation. With a price tag starting at €7790 or UK £6299, the 125 SX is positioned as an accessible yet formidable option within the motocross category, making it an attractive choice for those looking to elevate their riding experience on the track. At the heart of the 2019 KTM 125 SX is a spirited single-cylinder, two-stroke engine with a displacement of 124.80 ccm. This meticulously crafted motor delivers exhilarating power through its 6-speed gearbox, allowing riders to unleash their full potential on the track. The Mikuni TMX carburettor provides precise fuel delivery, while the Kokusan EMS ignition system ensures quick starts and responsive throttle control. Coupled with a lightweight frame that weighs in at just 87.5 kg (192.9 lbs) and an impressive ground clearance of 375 mm (14.8 inches), the 125 SX offers nimble handling and agility that empowers riders to navigate challenging terrains with confidence. The 2019 KTM 125 SX is equipped with advanced technology and features that enhance both performance and comfort. The WP-USD AER 48 front suspension, with a travel of 310 mm, and the rear WP shock absorber with linkage, providing 300 mm of travel, ensure that the bike handles all types of obstacles with ease. The hydraulic wet multi-disc clutch offers smooth engagement, while the powerful braking system, featuring a 260 mm front disc and a 220 mm rear disc, ensures consistent stopping power when it matters most. With a sleek design available in striking orange, white, and black color options, the 125 SX is not only a performance machine but also a visual standout on the track. **
Pros
- Lightweight and agile design enhances maneuverability, perfect for competitive racing.
- Powerful two-stroke engine delivers excellent acceleration and responsiveness.
- Advanced suspension components provide superior handling and comfort on varied terrains.
Cons
- Limited fuel capacity (7.50 litres) may require frequent refueling during extended rides.
- Kick start may be less convenient for some riders compared to electric start options.
- Seat height of 950 mm (37.4 inches) may be challenging for shorter riders to manage.
Technical details
Source specification data
- Make
- KTM
- Model
- 125 SX
- Price
- Euro
- 7790.
- K
- £ 6299.
- Prices
- depend on country, taxes, accessories, etc.
- Category
- Cross-motocross
- Starter
- Kick
- Color Options
- Orange/white/black
- Clutch
- Wet multi-disc clutch, hydraulically actuated
- Gearbox
- 6-speed
- Ignition
- Kokusan EMS
- Driveline
- 13:50. Primary drive: 23:73.
- Engine Type
- Reed intake.
- Fuel System
- Carburettor. Mikuni TMX
- Bore X Stroke
- 54.0 x 54.5 mm (2.1 x 2.1 inches)
- Displacement
- 124.80 ccm (7.62 cubic inches)
- Cooling System
- Liquid
- Engine Details
- Single cylinder, two-stroke
- Transmission Type Final Drive
- Chain
- Dry Weight
- 87.5 kg (192.9 pounds)
- Seat Height
- 950 mm (37.4 inches) If adjustable, lowest setting.
- Fuel Capacity
- 7.50 litres (1.98 gallons)
- Ground Clearance
- 375 mm (14.8 inches)
- Rake
- 26.1°
- Wheels
- C
- machined hubs.
- Excel
- rims.
- Wire
- spoked.
- Frame Type
- Chrome-molybdenum steel central-tube frame
- Rear Brakes
- Single
- disc.
- Brake
- calipers on floating bearings
- Front Brakes
- Single
- disc.
- Brake
- calipers on floating bearings
- Rear Suspension
- WP shock absorber with linkage
- Front Suspension
- WP-USD, AER 48, Ø 48 mm
- Rear Wheel Travel
- 300 mm (11.8 inches)
- Front Wheel Travel
- 310 mm (12.2 inches)
- Rear Brakes Diameter
- 220 mm (8.7 inches)
- Front Brakes Diameter
- 260 mm (10.2 inches)