2026 KTM 125 SX
2026 KTM 125 SX for Sale at TeamMoto in QLD, VIC and ACT | Review Specifications, Features & Information
FULL-SCREAM AHEAD
There are very few sounds that can't be beaten: the crack of a soda can on a blistering hot day, the ping of the perfectly executed golf shot, and the scream of a 125 cc 2-stroke full throttle. The KTM 125 SX takes its leads directly from the KTM Factory Racing team for pure performance, pure results. Like the sound it makes, you won't forget it.
Engine
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Design
1-cylinder, 2-stroke engine
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Displacement
124.8 cm³
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Transmission
6-speed
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Fuel-mixture generation
Keihin EFI, throttle body 39 mm
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EMS
Vitesco Technologies EMS
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Clutch primary drive teeth
73
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Primary drive
23:73
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Clutch
Wet multi-disc DS clutch, Brembo hydraulics
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Clutch type
DS multi-disc wet clutch
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Clutch operation
Brembo hydraulics
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Engine cylinder
Single cylinder
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Engine stroke
2-Stroke
Chassis
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Frame design
Central double-cradle-type 25CrMo4 steel
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Front brake
Disc brake
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Rear brake
Disc brake
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Rear subframe design
Aluminum-reinforced polyamide
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Chain
520, Non-sealed
Suspension
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Front suspension
WP XACT-USD (AER), Ø 48 mm
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Rear suspension
WP XACT Monoshock with linkage
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Suspension travel (front)
310 mm
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Suspension travel (rear)
300 mm
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Front suspension adjustment
Compression (high and low speed), rebound
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Rear suspension setting
Compression and rebound adjustable
Dimensions
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Seat height
958 mm
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Ground clearance
359 mm
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Tank capacity (approx.)
7.2 l
