2012 KTM 125 SX Specs

motorcycle specs

These are the known mechanical and performance specifications for your 2012 KTM 125 SX.

Basic Specs

Year2012
MakeKTM
ModelKTM 125 SX
Cost

Engine

Displacement124.80 ccm (7.62 cubic inches)
TypeReed intake and exhaust control
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Valves/Cylinder
FuelingCarburettor. Keihin PWK 38S AG
IgnitionContactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Exhaust
LubricationMixture oil lubrication 1:40
CoolingLiquid

Drivetrain

Gearbox6-speed
Final DriveChain
ClutchWet mDouble disk clutch / hydraulically operated
Driveline13:50

Performance

Horespower
Torque
Top Speed

Fuel Economy & Polution

Fuel Consumption
Fuel Capacity7.50 litres (1.98 gallons)
Emissions

Chassis

Frame TypeCentral tube frame made of chrome molybdenum steel tubing
Rake26.5°
Trail
Front SuspensionWP Suspension
Front Travel300 mm (11.8 inches)
Rear SuspensionWP Suspension
Rear Travel330 mm (13.0 inches)
Seat
Seat Height992 mm (39.1 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance395 mm (15.6 inches)
Wheelbase1,480 mm (58.3 inches)
Dry Weight91.6 kg (201.9 pounds)
Wet Weight

Wheels & Brakes

Front Tire/Tyre80/100-21
Rear Tire/Tyre100/90-19
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 Reed intake and exhaust control Single cylinder, two-stroke engine with 124.80 ccm (7.62 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. Keihin PWK 38S AG allowing this machine to produce its 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 Chain maintainence. Our best information shows that the front tire size is 80/100-21 and the rear is 100/90-19 . The entire package is supported by the frame, Central tube frame made of chrome molybdenum steel tubing. 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 2012, 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.