KTM 125 SX 2014: IN A CLASS OF ITS OWN

The 125 SX has long since established itself as the undisputed top dog above all in junior race series and as a springboard to the professional leagues. Powered by a high-performance two-stroke engine with exhaust control system and six-speed transmission, the 125 SX has been further improved for the 2014 model year, ensuring that it will maintain its popularity with young champions in the future.

TECHNICAL DETAILS

ENGINE

Design 1-cylinder 2-stroke engine, water-cooled, with reed intake and exhaust control
Displacement 124.8 cm³ (7.616 cu in)
Bore 54 mm (2.13 in)
Stroke 54.5 mm (2.146 in)
Starting aid Kick starter
Gearbox 6-gear, claw shifted
Primary transmission 23:73
Secondary ratio 13:50
Clutch Multidisc clutch in oil bath/hydraulically activated
Ignition Contactless controlled fully electronic ignition with digital ignition adjustment, type Kokusan

CHASSIS

Frame Central tube frame made of chrome molybdenum steel tubing
Fork WP Suspension Up Side Down 4860 MXMA CC
Shock absorber WP Suspension 5018 BAVP DCC
Suspension travel Front 300 mm (11.81 in)
Suspension travel Rear 330 mm (12.99 in)
Brake system Disc brakes, brake calipers on floating bearings
Brake discs - diameter Front 260 mm (10.24 in)
Brake discs - diameter Rear 220 mm (8.66 in)
Chain 5/8 x 1/4"
Steering head angle 63.5°
Wheelbase 1,480±10 mm (58.27±0.39 in)
Ground clearance unloaded 395 mm (15.55 in)
Seat height unloaded 992 mm (39.06 in)
Total fuel tank capacity, approx. 7.5 l (1.98 US gal)
Super unleaded gasoline (98 octane), mixed with 2-stroke engine oil (1:40)
Weight without fuel, approx. 91.5 kg (201.7 lb.)