2023 KTM 125 XC Bike



KTM 125 XC Bike
Model Year
Engine Size
Engine Type
Engine Displacement
Bore x Stroke
54 mm x 54.5 mm
Compression Ratio
Fuel System
Keihin Electronic Fuel Injection, 39 mm throttle body, reed valve case design
Vitesco Technologies ECU; electric starter, 12.8V 2 Ah lithium-ion battery under seat
6-speed; wet multi-disc DS (Diaphragm Steel) clutch, CNC-machined one-piece clutch basket, Brembo hydraulics
Final Drive
Chain, X-Ring, 5/8 x 1/4", 13:51
Suspension Front
WP XACT-USD, air spring, split damping function, 48 mm diameter, 310 mm (12.2") travel
Suspension Rear
WP XACT Monoshock with linkage, coil spring, tool-free setup, high/low-speed compression adjust, rebound adjust, 300 mm (11.81") travel
Brakes Front
Disc, 260 mm rotor
Brakes Rear
Disc, 220 mm rotor
Tires Front
Dunlap Geomax MX33F, 80/100-21"
Tires Rear
Dunlap Geomax AT81, 110/100-18"
Overall Length
Overall Width
Overall Height
Seat Height
850 mm (33.5")
1,493 mm ± 10 mm (58.7" ± 0.4")
Ground Clearance
375 mm (14.8")
Fuel Capacity
8.5 liters (2.2 gallons)
Curb Weight
93.1 kg (205.2 lbs) without fuel
• New 39 mm Keihin throttle body with double-injector pattern and reed valve case design
• New external water temperature sensor located within tubing of cylinder head
• New 2-piece polyamide reinforced aluminum subframe
• New hollow, die-cast swingarm offers reduced unsprung weight and increased rigidity, with new 22 mm rear axle
• Updated WP XACT fork with new settings and new hydrostop to improve bottoming resistance
• New, completely redesigned WP XACT rear shock has a lighter and shorter body and all new internals
• New polythene fuel tank with threaded filler cap and integrated fuel pump
• Map select switch changes engine character depending on track conditions and rider preference:
— Map 1 - linear, predictable power delivery
— Map 2 - crisp, explosive power output
• Airbox: Twin Air filter, tool-free access via left side panel
• Cooling: liquid
• Engine type: single cylinder, 2-stroke, electronic exhaust port management, die-cast crankcase, laterally mounted counter balancer shaft
• Exhaust: compact lightweight aluminum silencer
• Frame: central double-cradle-type 25CrMo4 steel, forged lower brackets for skidplate installation
• Handlebar: Neken tapered aluminum, with KTM bar pad
• Hubs: CNC machined
• Rims: Giant, with anodized aluminum nipples
More Info
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