KTM 125 DUKE 2021 User Manual

9 RIDING INSTRUCTIONS
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9.2 Starting
Danger
Danger of poisoning Exhaust gases are toxic and inhaling them may result in unconsciousness and death.
– Always make sure there is sufficient ventilation when running the engine.
– Use effective exhaust extraction when starting or running the engine in an enclosed space.
Caution
Danger of accidents Electronic components and safety devices will be damaged if the 12-V battery is dis-
charged or missing.
If the 12-V battery is discharged or defective, malfunctions in the vehicle electronics can occur, espe-
cially when starting.
– Never operate the vehicle with a discharged 12-V battery or without a 12-V battery.
Note
Engine damage Unfiltered intake air has a negative effect on the service life of the engine.
Dust and dirt will enter the engine without an air filter.
– Only operate the vehicle if it is equipped with an air filter.
Note
Engine damage High revving speed with a cold engine negatively impacts the lifespan of the engine.
– Always run the engine warm at a low speed.

KTM 125 DUKE 2021 Specifications

General

Displacement	124.7 cc
Bore x Stroke	58 mm x 47.2 mm
Compression Ratio	12.5:1
Transmission	6-speed
Rear Suspension	WP APEX Monoshock
Front Brake	Four-piston radial fixed caliper, brake disc
Rear Brake	Single-piston floating caliper, brake disc
Front Tire	110/70 R17
Rear Tire	150/60 R17
Seat Height	830 mm
Dry Weight	139 kg
Frame	Steel Trellis Frame, Powder Coated
Ground Clearance	175 mm
Engine Type	Single Cylinder, 4-Stroke, Liquid Cooled
Torque	12 Nm
Fuel System	Electronic Fuel Injection
Front Suspension	WP APEX 43
Fuel Tank Capacity	13.4 liters
Wheelbase	1, 357 mm