2020 KTM 125 SX

KTM 125 SX 2020


2020 KTM 125 SX specifications, pictures, reviews and rating

KTM's profilation of this bike
The KTM 125 SX is the most compact and lightweight of the full-size bikes and delivers a confidence-inspiring ride like no other

General information
Model KTM 125 SX
Year model 2020
Type Enduro / offroad
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Engine and transmission
Engine size 124.8 ccm (7.62 cubic inches)
Type of engine Single cylinder, two-stroke
Effect 15.0 HP (10.9 kW))
Bore x stroke 54.0 x 54.5 mm (2.1 x 2.1 inches)
Fuel system Injection
Fuel control Double Overhead Cams/Twin Cam (DOHC)
Ignition Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Lubrication system Wet sump
Cooling system Liquid
Gearbox 6-speed
Transmission type Chain (final drive)
Clutch Wet multi-disc clutch, mechanically actuated
Driveline 5/8  x  1/4 (520) O Ring. Primary drive: 22:72.
Chassis, suspension, brakes and wheels
Frame type Central double-cradle
Front suspension WP upside-down Ø 48 mm
Rear suspension WP Monoshock
Rear wheel travel 150 mm (5.9 inches)
Front tire 110-17
Rear tire 150-17
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 137.0 kg (302.0 pounds)
Power/weight ratio 0.1095 HP/kg
Other specifications
Color options White, Orange
Starter Kick
Update specsReport missing specs or required updates.
Further information
Insurance costsCompare US insurance quotes from the nation's top providers.
Parts finder Check out our overview of motorcycle webshops at Bikez.info.
MaintenanceFind parts, fluids. filters, maintenance tools and service manuals at Amazon.com.
Ask questionsJoin the 20 KTM 125 SX discussion group or the general KTM discussion group.
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