2020 KTM 125 SX Specs

motorcycle specs

These are the known mechanical and performance specifications for your 2020 KTM 125 SX.

Basic Specs

KTM 125 SX
Year2020
MakeKTM
ModelKTM 125 SX
Cost

Engine

Displacement124.8 ccm (7.62 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Valves/Cylinder
FuelingInjection
IgnitionContactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Exhaust
LubricationWet sump
CoolingLiquid

Drivetrain

Gearbox6-speed
Final Drive
ClutchWet multi-disc clutch, mechanically actuated
Driveline5/8 - x - 1/4 (520) O Ring. Primary drive: 22:72.

Performance

Horespower15.0 HP (10.9 kW)
Torque
Top Speed

Fuel Economy & Polution

Fuel Consumption
Fuel Capacity
Emissions

Chassis

Frame TypeCentral double-cradle
Rake
Trail
Front SuspensionWP upside-down Ø 48 mm
Front Travel
Rear SuspensionWP Monoshock
Rear Travel150 mm (5.9 inches)
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight137.0 kg (302.0 pounds)
Wet Weight

Wheels & Brakes

Front Tire/Tyre110-17
Rear Tire/Tyre150-17
Front BrakesSingle disc
Front Brake Diameter260 mm (10.2 inches)
Rear BrakesSingle disc
Rear Brake Diameter220 mm (8.7 inches)
Wheels

Comments

It appears you're interested in specifications for the KTM 125 SX. This Enduro / offroad model is powered by a Single cylinder, two-stroke engine with 124.8 ccm (7.62 cubic inches) of actual displacement before compression. Fueling is metered via Injection allowing this machine to produce its 15.0 HP (10.9 kW) horsepower and torque. According to our records engine heat of the KTM 125 SX is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 110-17 and the rear is 150-17 . The entire package is supported by the frame, Central double-cradle. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc front brakes and Single disc rear brakes. The KTM 125 SX was launched in 2020, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.