2012 KTM 125 SX. Image credits - KTM.
KTM's profilation of this bike
Those wanting to race in the Junior World Championship need look no further than the 125 SX. The free-revving and lively two-stroke engine has gained even more performance for the current season.
General information
Model name
KTM 125 SX
Model year
2012
Category
Enduro / offroad
Rating
3.4 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike.
Engine and transmission
Displacement
124.8 ccm (7.62 cubic inches)
Engine type
Single cylinder, two-stroke
Engine details
Reed intake and exhaust control
Bore x stroke
54.0 x 54.5 mm (2.1 x 2.1 inches)
Fuel system
Carburettor. Keihin PWK 38S AG
Ignition
Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Lubrication system
Mixture oil lubrication 1:40
Cooling system
Liquid
Gearbox
6-speed
Transmission type
Chain (final drive)
Clutch
Wet mDouble disk clutch / hydraulically operated
Driveline
13:50
Chassis, suspension, brakes and wheels
Frame type
Central tube frame made of chrome molybdenum steel tubing
Rake (fork angle)
26.5°
Front suspension
WPÂ Suspension
Front wheel travel
300 mm (11.8 inches)
Rear suspension
WPÂ Suspension
Rear wheel travel
330 mm (13.0 inches)
Front tire
80/100-21
Rear tire
100/90-19
Front brakes
Single disc
Diameter
260 mm (10.2 inches)
Rear brakes
Single disc
Diameter
220 mm (8.7 inches)
Physical measures and capacities
Dry weight
91.6 kg (201.9 pounds)
Seat height
992 mm (39.1 inches) If adjustable, lowest setting.
Ground clearance
395 mm (15.6 inches)
Wheelbase
1480 mm (58.3 inches)
Fuel capacity
7.50 litres (1.98 US gallons)
Other specifications
Color options
Orange/black/white
Starter
Kick
Update specs Report missing specs or required updates .
Further information
Insurance costs Compare US insurance quotes from the nation's top providers. Maintenance Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. Ask questions Join the 12 KTM 125 SX discussion group or the general KTM discussion group. Related bikes List related bikes for comparison of specs.
Compare with another motorcycle
Pictures, trademarks and logos of third parties are the exclusive
property of the respective owners. Technical specifications are subject to change without notice.