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MZ 125 SX
2018Off-road

MZ 125 SX

Key specifications

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

Overview

### Unleashing the 2018 KTM 125 SX: A Competitor's Dream The 2018 KTM 125 SX stands as a formidable contender in the cross-motocross category, designed specifically for young racers and those new to the motocross scene. With KTM’s famed orange livery and sharp aesthetics, this lightweight beast is engineered to deliver thrilling performance on the track. It's not just a motorcycle; it's a gateway to the adrenaline-fueled world of motocross, where every twist of the throttle and turn of the handlebars is an opportunity to hone your skills and push your limits. At the heart of the 125 SX lies a potent 124.8 cc single-cylinder, two-stroke engine that promises exhilarating power and responsiveness. With a bore and stroke of 54.0 x 54.5 mm, this engine has been meticulously crafted to deliver a high rev range, ensuring that riders can experience a rush of acceleration that’s both exciting and addictive. The Mikuni TMX carburettor ensures a smooth fuel delivery, while the Kokusan EMS ignition system provides precise spark timing, allowing the rider to harness the full potential of the engine. A six-speed gearbox paired with a multi-plate hydraulic clutch from Brembo means smooth shifting and precise control, making it easier for riders to tackle challenging terrains with confidence. The 125 SX is not just about raw power; it's also equipped with cutting-edge technology and features that enhance rideability and performance. The chrome-molybdenum steel central-tube frame offers exceptional rigidity and lightweight handling, while the WP-USD AER 48 front suspension and rear WP shock absorber provide an impressive 300 mm of travel, ensuring that this bike can conquer any jump or rough patch on the track. With front and rear disc brakes featuring floating bearings, riders can count on strong and responsive braking, which is crucial in competitive scenarios. Additionally, the bike's ground clearance of 375 mm and an adjustable seat height of 960 mm ensure that it can accommodate a range of riders, making it versatile for both beginners and seasoned racers. ####

Pros

    Cons

    • Lightweight & Agile: At just 87.2 kg (192.2 pounds), the 125 SX offers superior maneuverability, allowing riders to easily navigate tight corners and technical sections of the track.
    • High-Performance Engine: The two-stroke engine delivers exhilarating power and acceleration, perfect for those who crave speed and agility.
    • Advanced Suspension Setup: The WP suspension components provide excellent handling and comfort over rough terrains, enhancing the overall riding experience.
    • Limited Fuel Capacity: With only 7.00 litres (1.85 gallons) of fuel capacity, riders may find themselves refueling more frequently during longer rides or races.
    • Kick Start Only: The absence of an electric start may deter some riders, especially beginners, who prefer the convenience of a button start.
    • Height Consideration: The seat height of 960 mm (37.8 inches) may be challenging for shorter riders, limiting accessibility for some enthusiasts.

    Technical details

    Source specification data

    Make
    KTM
    Model
    125 SX
    Category
    Cross-motocross
    Starter
    Kick
    Color Options
    Orange/white/black
    Clutch
    Multi-plate clutch, Brembo hydraulics
    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
    87.2 kg (192.2 pounds)
    Seat Height
    960 mm (37.8 inches) If adjustable, lowest setting.
    Fuel Capacity
    7.00 litres (1.85 gallons)
    Ground Clearance
    375 mm (14.8 inches)
    Rake
    26.5°
    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
    300 mm (11.8 inches)
    Rear Brakes Diameter
    220 mm (8.7 inches)
    Front Brakes Diameter
    260 mm (10.2 inches)

    Available colors

    Orange/white/black