MZ 125 SX
Key specifications
Overview
Introducing the 2015 KTM 125 SX, a fierce contender in the world of cross-motocross motorcycles. Renowned for its lightweight design and high-performance capabilities, the 125 SX is tailored for both novice riders eager to learn the ropes of motocross and experienced racers seeking a nimble machine for competitive riding. KTM has established itself as a leader in the off-road segment, and the 125 SX embodies this legacy with its aggressive styling and race-ready features, making it a top choice for thrill-seekers who crave adrenaline and agility on the track. At the heart of the 125 SX lies a potent single-cylinder, two-stroke engine with a displacement of 124.8 ccm, delivering a thrilling punch of power and exceptional agility. With a bore and stroke of 54.0 x 54.5 mm, the engine offers a responsive throttle that translates into an exhilarating riding experience. The liquid-cooled system ensures optimal temperature management, while the fully electronic ignition system provides precise timing adjustments, enhancing performance across varied conditions. Paired with a 6-speed gearbox, the 125 SX allows riders to seamlessly shift through gears, ensuring they stay in the power band whether they are launching off a jump or navigating tight corners. The 2015 KTM 125 SX showcases an array of advanced features designed to enhance both performance and rider comfort. Its central tube frame, constructed from chrome molybdenum steel tubing, provides exceptional rigidity while keeping the weight down to a mere 90.8 kg (200.2 pounds). This lightweight construction, combined with WP suspension systems, delivers an impressive front travel of 300 mm and rear travel of 317 mm, ensuring a plush ride over rough terrain. The braking system is equally robust, featuring single discs with floating calipers at both ends for optimal stopping power. With a seat height of 992 mm (39.1 inches), the 125 SX offers a commanding riding position that instills confidence, whether you're tearing up the track or tackling challenging trails. **
Pros
- Lightweight and Agile: At just 90.8 kg, the 125 SX is incredibly easy to handle, making it perfect for riders looking for a responsive machine.
- Powerful Engine Performance: The two-stroke engine delivers rapid acceleration and a thrilling ride, ideal for motocross enthusiasts.
- Advanced Suspension Setup: The WP suspension provides excellent travel and handling, ensuring a smooth ride on rough terrain.
Cons
- Kick Start Only: The absence of an electric start can be a drawback for some riders, especially in challenging conditions.
- Limited Fuel Capacity: With a fuel tank of only 7.50 litres (1.98 gallons), longer rides may require more frequent stops for refueling.
- Height Consideration: The seat height may be challenging for shorter riders, potentially affecting comfort and control.
Technical details
Source specification data
- Make
- KTM
- Model
- 125 SX
- Category
- Cross-motocross
- Starter
- Kick
- Color Options
- Orange/Black
- Clutch
- Wet multi-disc clutch, hydraulically operated
- Gearbox
- 6-speed
- Ignition
- Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
- Driveline
- 13:50. Primary drive: 23:73.
- Engine Type
- Reed intake.
- Fuel System
- Carburettor
- 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
- 90.8 kg (200.2 pounds)
- Seat Height
- 992 mm (39.1 inches) If adjustable, lowest setting.
- Fuel Capacity
- 7.50 litres (1.98 gallons)
- Ground Clearance
- 395 mm (15.6 inches)
- Rake
- 26.5°
- Frame Type
- Central tube frame made of chrome molybdenum steel tubing
- Rear Brakes
- Single
- disc.
- Brake
- calipers on floating bearings
- Front Brakes
- Single
- disc.
- Brake
- calipers on floating bearings
- Rear Suspension
- WP Suspension 5018 BAVP DCC
- Front Suspension
- WP Suspension Up Side Down 4860 MXMA CC
- Rear Wheel Travel
- 317 mm (12.5 inches)
- Front Wheel Travel
- 300 mm (11.8 inches)
- Rear Brakes Diameter
- 220 mm (8.7 inches)
- Front Brakes Diameter
- 260 mm (10.2 inches)