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MZ 125 SX
2019Off-road

MZ 125 SX

$7,790

Key specifications

Engine
125 cc
Weight
88 kg
Fuel type
petrol
Fuel capacity
2.0 L
Transmission
6-speed
Seat height
37 mm
Front brakes
Single disc. Brake calipers on floating bearings
Rear brakes
Single disc. Brake calipers on floating bearings

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)

Available colors

Orange/white/black