KTM 125 SX 2021
The KTM 125 SX is the most compact and lightweight of the full-size bikes and delivers a confidence-inspiring ride like no other. A lightweight chassis teams up with the most competitive 125 cc 2-stroke engine in its class, delivering superior agility and power to fulfil the demands of any young adrenaline seeker. This 2-stroke screamer is the ultimate entry point into the pro ranks and a sure-fire way to add to the trophy collection.
KICKSTART YOUR RACING CAREER
KTM 125 SX
TECHNICAL DETAILS
ENGINE
TRANSMISSION
6-speed
STARTER
Kickstarter
STROKE
54.5 mm
BORE
54 mm
CLUTCH
Multi-plate clutch, Brembo hydraulics
DISPLACEMENT
124.8 cm³
EMS
Kokusan
CHASSIS
WEIGHT (WITHOUT FUEL)
87.5 kg
TANK CAPACITY (APPROX.)
7.5 l
FRONT BRAKE DISC DIAMETER
260 mm
REAR BRAKE DISC DIAMETER
220 mm
FRONT BRAKE
Disc brake
REAR BRAKE
Disc brake
CHAIN
5/8 x 1/4"
FRAME DESIGN
Central double-cradle-type 25CrMo4 steel
FRONT SUSPENSION
WP XACT-USD, Ø 48 mm
GROUND CLEARANCE
375 mm
REAR SUSPENSION
WP XACT Monoshock with linkage
SEAT HEIGHT
850 mm
STEERING HEAD ANGLE
63.9 °
SUSPENSION TRAVEL (FRONT)
310 mm
SUSPENSION TRAVEL (REAR)
300 mm
