2012 KTM 125 SX

2012 KTM 125 SX
MSRP $6,299

Precise handling and extreme traction is being supplied by the optimum lateral stiffness and defined longitudinal flexibility from minimum weight due to the new linkage on the rear suspension. The KTM 125 SX has extremely well handling and traction.

Model125 SX
Engine TypeSingle cylinder, 2-stroke
Engine Displacement124.8cc
Bore Stroke54 mm x 54.5 mm
Compression RatioNA
Fuel SystemKeihin PWK 38S AG
Starting SystemKickstarter
Transmission6 gears
Final Drive13:50
Rake TrailNA
Seat Height39.05 in.
Wheelbase58.26 in.
Front SuspensionWP-USD, Closed Cartridge, Ø 48 mm
Rear SuspensionWP-Monoshock with linkage
Front BrakeDisc brake 260 mm
Rear BrakeDisc brake 220 mm
Front Tire2.15-19
Rear Tire100/90-19
Fuel Capacity1.87 gal.
Dry Weight200.17 lbs.

2016 KTM 125SX First Ride Review

2016 KTM 125 SX & 150 SX Two-Stroke First Ride

MotoUSA hops on the new KTM 125 SX and KTM 150 SX to see how the updated two-stroke machines performed at Ironman Raceway Motocross track.

2016 KTM Two-Stroke SX First Looks

2016 KTM Two-Stroke SX First Looks

KTM has released details on its 2016 line of two-stroke SX off road models, with major overhauls for the 125 SX and 150 SX models and minor revisions to the 250 SX.