KTM 125 Duke Specs

2013 - 2024 • 4 variants

KTM has built the 125 Duke, a sport motorcycle, across 4 variants since 2013, most recently updated for 2024. Under the tank sits a four stroke, single cylinder, DOHC, 4 valves. It makes 15 hp at peak. Torque tops out at 12 Nm.

About the KTM 125 Duke

As a Sport motorcycle, the KTM 125 Duke was offered from the 2012 through to the 2024 model year. The technical data presented here covers the complete specification range for this model, including all engine variants, chassis dimensions, suspension travel, brake specifications, and weight figures. This information is useful for prospective buyers, current owners, and mechanics working on the KTM 125 Duke.

KTM 125 Duke by Year

2024 KTM 125 Duke View specs →

2020 KTM 125 Duke View specs →

2018 KTM 125 Duke View specs →

2014 KTM 125 Duke View specs →

Spec Evolution

How key specs changed across production years.

Specification	2012	2014	2016	2018	2020	2021	2024
Seat Height	810 mm / 31.8 in	810 mm / 31.8 in	810 mm / 31.8 in	830 mm / 32.7 in ↑	818 mm / 32.2 in ↓	830 mm / 32.7 in ↑	800 mm / 32.7 in ↓
Displacement	124.7 cc / 7.6 cu-in	124.7 cc / 7.6 cu-in	124.7 cc / 7.6 cu-in	124.7 cc / 7.6 cu-in	124.7 cc / 7.6 cu-in	124.7 cc / 7.6 cu-in	124.9 cc / 7.6 cu-in ↑
Dry Weight	127 kg / 280 lbs	127 kg / 280 lbs	127 kg / 280 lbs	137 kg / 302 lbs ↑	141.4 kg / 311.7 lbs ↑	139 kg / 306.4 lbs ↓	154 kg / 306.4 lbs ↑
Frame Type	Space frame in chrome -molybdenum steel tubes Subframe: steel	Space frame in chrome -molybdenum steel tubes Subframe: steel	Space frame in chrome -molybdenum steel tubes Subframe: steel	Steel trellis frame, powder coated	Steel trellis frame, powder coated	Steel trellis frame, powder coated	Steel trellis frame, powder coated
Brakes - Front	Single 280 mm disc	Single 280 mm disc	Single 280 mm disc	Single 300 mm disc, 4 piston radial fixed caliper ↑	Single 300 mm disc, 4 piston radial fixed caliper	Single 300 mm disc, 4 piston radial fixed caliper	Single 320 mm disc, 4 piston radial fixed caliper ↑
Engine Detail	Four stroke, single cylinder, DOHC, 4 Valves	Four stroke, single cylinder, DOHC, 4 Valves	Four stroke, single cylinder, DOHC, 4 Valves	Four stroke, Single cylinder, DOHC, 4 Valve	Four stroke, single cylinder, DOHC, 4 valves	Four stroke, single cylinder, DOHC, 4 valves	Four stroke, single cylinder, DOHC, 4 valves
Wheelbase	1367 mm / 53.8 in	1367 mm / 53.8 in	1367 mm / 53.8 in	1357 mm / 53.4 in ↓	1357 mm / 53.4 in	1357 mm / 53.4 in	-
Brakes - Rear	Single 220 mm disc	Single 220 mm disc	Single 220 mm disc	Single 230 mm disc, single piston floating caliper ↑	Single 230 mm disc, single piston floating caliper	Single 230 mm disc, single piston floating caliper	Single 240 mm disc, 2 piston floating caliper ↑
Ground Clearance	170 mm / 6.7 in	170 mm / 6.7 in	170 mm / 6.7 in	185 mm / 7.3 in ↑	155 mm / 6.1 in ↓	175 mm / 6.8 in ↑	-
Fuel Capacity	11 Litres / 2.9 US gal / 2.4 Imp gal	11 Litres / 2.9 US gal / 2.4 Imp gal	11 Litres / 2.9 US gal / 2.4 Imp gal	13.4 Litres / 3.5 US gal / 2.9 Imp gal ↑	11 Litres / 3.0 US gal ↓	13.4 Litres / 3.5 US gal ↑	-
Suspension - Front	38 mm WP upside-down fork	38 mm WP upside-down fork	38 mm WP upside-down fork	43 mm WP USD fork ↑	43 mm WP-USD, AER 43	43 mm WP APEX	43 mm WP APEX
Suspension - Rear	WP monoshock.	WP monoshock.	WP monoshock.	WP monoshock	WP Monoshock	WP APEX - Monoshock	WP APEX - Monoshock
ABS	-	-	-	Bosch 9MB two-channel ABS	Bosch 10 ML Single Channel ABS ↑	Bosch 9.1 MB Two Channel ABS (Supermoto ABS) ↓	Cornering ABS
Clutch	Multi-disc clutch, operated hydraulically	Multi-disc clutch, operated hydraulically	Multi-disc clutch, operated hydraulically	Wet, multi-disc, operated hydraulically	Wet multi-disc, mechanically actuated	Wet multi-disc, mechanically actuated	PASC antihopping clutch, mechanically operated
Bore x Stroke	58 x 47 mm	58 x 47 mm	58 x 47 mm	58 x 47.2 mm	58 x 47.2 mm	58 x 47.2 mm	58 x 47.3 mm
Final Drive	Chain 5/8 x 1/4" X Ring	Chain 5/8 x 1/4" X Ring	Chain 5/8 x 1/4" X Ring	Chain 5/8 x 1/4" X ring	Chain 520 X-ring ↑	Chain 520 X-ring	Chain 520 X-ring
Steering Head Angle	65°	65°	65°	66° ↑	65° ↓	65°	-
Fuel Induction	Electronic fuel injection	Electronic fuel injection	Electronic fuel injection	Bosch Electronic fuel injection	Bosch electronic fuel injection	Bosch electronic fuel injection	Bosch electronic fuel injection
Wheel Travel - Front	160 mm / 6.2 in	160 mm / 6.2 in	160 mm / 6.2 in	142 mm / 5.6 in ↓	140 mm / 5.5 in ↓	142 mm / 5.6 in ↑	150 mm / 5.9 in ↑
Max Power	11.3 kW / 15 hp @ 10500 rpm	11.3 kW / 15 hp @ 10500 rpm	11.3 kW / 15 hp @ 10500 rpm	11.3 kW / 15 hp @ 10500 rpm	11.3 kW / 15 hp @ 10500 rpm	11.3 kW / 15 hp @ 10500 rpm	11 kW / 15 hp ↓
Wheel Travel - Rear	160 mm / 6.2 in	160 mm / 6.2 in	160 mm / 6.2 in	150 mm / 5.9 in ↓	162 mm / 6.4 in ↑	150 mm / 5.9 in ↓	150 mm / 5.9 in
Max Torque	12 Nm / 1.22 kgf-m / 8.85 ft-lb @ 8000 rpm	12 Nm / 1.22 kgf-m / 8.85 ft-lb @ 8000 rpm	12 Nm / 1.22 kgf-m / 8.85 ft-lb @ 8000 rpm	12 Nm / 1.22 kgf-m / 8.85 ft-lb @ 8000 rpm	12 Nm / 8.85 ft-lb @ 8000 rpm	12 Nm / 8.85 ft-lb @ 8000 rpm	11.5 Nm / 8.85 ft-lb ↓
Lubrication	Forced oil lubrication with 1 Eaton pump	Forced oil lubrication with 1 Eaton pump	Forced oil lubrication with 1 Eaton pump	Wet sump	Wet sump	Wet sump	Wet sump