125 SX 2017 RUNOUT
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The whip cracking KTM 125 SX has been buzzing at the front for years. If it is up to us, it stays there for many more seasons to come. A compact build and the lowest weight out there team up for the win with a glorious 2-stroke engine, fitted in a state-of-the-art chassis. Get shredding, youngsters.
2-stroke power, extremely compact and ultra-light at a mere 17.2kg.
Compact cylinder with a 54mm bore.
High crankshaft position located close to the centre of gravity.
New MIKUNI TMX carburetor.
Meticulously tuned expansion chamber for maximum torque.
Robust 6-speed transmission, with 'no dirt' lever.
87.2kg, the lightest bikes in the competition.
No tools airbox, replace in seconds.
High-tech, lightweight chrome-moly steel frame.
Cast aluminum swingarm.
Durable seat offers great comfort.
Lightweight polyethylene tank with a capacity of 7 litres.
Aluminum radiators made by WP.
CNC machined hubs and high-end Excel rims.
Dunlop Geomax MX 3S tyres.
Handlebars, tapered, made of high-strength aluminum by NEKEN with ODI lock-on grips.
'No dirt' footpegs.
WP AER 48 front fork, a 48mm USD air-sprung fork.
CNC machined triple clamps.
High-tech Brembo babies are combined with lightweight wave discs made by Galfer
Kiska Design shaped plastics.
1-cylinder, 2-stroke engine
SECONDARY GEAR RATIO
wet multi-disc clutch, Brembo hydraulics
25CrMo4 steel central-tube frame
WP-USD, AER 48, Ø 48 mm
WP shock absorber with linkage
SUSPENSION TRAVEL (FRONT)
SUSPENSION TRAVEL (REAR)
FRONT BRAKE DISC DIAMETER
REAR BRAKE DISC DIAMETER
5/8 x 1/4"
STEERING HEAD ANGLE
1485 ± 10 mm
TANK CAPACITY (APPROX.)
WEIGHT READY TO RACE (WITHOUT FUEL)