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2027 KTM 125 SX

$8,449

2027 KTM 125 SX motocross two-stroke in orange and black, right-side studio profile showing the WP forks, expansion chamber and Excel wheels
2027 KTM 125 SX specifications
Price, class & resources
MSRP$8,449
ClassMotocross
Websitewebsite
ReviewsDirt RiderDirt Rider
ManualPDF
Engine
TypeSingle-cylinder, liquid-cooled, 2-stroke
Displacement125 cc
Bore × Stroke54 × 54.5 mm
Compression
Power33 hp
Torque
Fuel systemTBI (Throttle Body Injection), 39mm Keihin
Transmission6-speed
Clutchhydraulic
Final driveChain
Oil change15 hrs
Oil injectedNo (premix)
Chassis
FrameChromoly steel central double-cradle
Front suspension48mm WP XACT air fork (AER), fully adjustable
Front travel12.2"
Rear suspensionWP XACT shock with linkage, fully adjustable
Rear travel11.8"
Front brakeSingle 260mm Brembo disc
Rear brakeSingle 220mm Brembo disc
Front tire80/100-21 (21")
Rear tire100/90-19 (19")
Dimensions
Wheelbase58.3"
Seat height37.8"
Ground clearance14.1"
Fuel capacity1.9 gal
Wet weight214 lb
KTM 125 SX left-side studio profile in orange bodywork with black seat, showing the chrome exhaust pipe and spoked wheels with knobby tiresKTM 125 SX front three-quarter studio view highlighting the curved chrome expansion chamber, orange front fender and radiator shroudsKTM 125 SX parked on an orange KTM stand under a pop-up canopy at a dirt track, mountains and blue sky in the background

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