14 August. Friday 2026
KTM 125 Duke - 2012 Specifications and Reviews
The 2012 KTM 125 Duke is an entry-level naked bike perfect for new riders and commuters seeking lightweight agility and affordability. Powered by a 15 PS single-cylinder four-stroke engine with a responsive six-speed gearbox, it delivers nimble handling and fuel efficiency. Known for its sharp styling and accessible performance, the Duke 125 established KTM's reputation for making engaging bikes at the beginner level.
General information | |
| Category | Naked bike |
| Year | 2012 |
| Model | KTM 125 Duke |
Engine and Transmission Specifications | |
| Driveline | Primary gear ratio 22:72. Secondary gear ratio 14:45. |
| Clutch | Wet multi-disc clutch / hydraulically operated |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Forced oil lubrication with 2 Eaton pumps |
| Ignition | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan |
| Bore x stroke | 58.0 x 47.2 mm (2.3 x 1.9 inches) |
| Power | 15.00 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 125.00 ccm (7.63 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc. One-pot brake caliper, floating brake discs |
| Front brakes diameter | 280 mm (11.0 inches) |
| Front brakes | Double disc. Two-pot brake caliper |
| Rear suspension travel | 150 mm (5.9 inches) |
| Rear suspension | WPSuspension4618 EM |
| Front suspension travel | 150 mm (5.9 inches) |
| Front suspension | WP Suspension 4357 |
| Trail | 100 mm (3.9 inches) |
| Rake (fork angle) | 25.0° |
| Frame type | Tubular space frame made from steel tubes, powder-coated |
Physical measures and capacities | |
| Fuel capacity | 11.00 litres (2.91 gallons) |
| Wheelbase | 1,361 mm (53.6 inches) |
| Ground clearance | 170 mm (6.7 inches) |
| Seat height | 810 mm (31.9 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.1200 HP/kg |
| Dry weight | 125.0 kg (275.6 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Black/grey |
| Starter | Electric |
Performance Profile & Rider Fit
14.8 hp
Peak Power
11.5s
0-60 mph
Best For
Track35%
City92%
Cornering78%
Daily Riding85%
Touring28%
Passenger45%
Rider Profile
| Best For | Ideal first bike for beginners and A1 licence holders; approachable, forgiving power delivery with premium components that reward learning. |
| Purpose | A nimble entry-level naked built for city commuting, learning throttle and cornering skills, and fun back-road blasts. |
| Rider Fit | Light and slim with an 800mm seat and upright, roomy naked ergonomics; WP APEX 43 forks and 150mm travel give a controlled, planted ride. |
| Character | A sharp, playful single-cylinder streetfighter that punches above its 15 PS with aggressive KTM styling and eager, flickable handling. |
| Not Ideal For | Not for riders wanting highway speed, two-up touring, or off-road duty; the modest 125cc output limits sustained fast cruising. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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