| KTM's profilation of this bike |
| The 125 EXC starts the new season with even more optimisations. With its well-known powerful engine, new frame design and improved chassis, it faces down the competition in the E1 class. A great example of simple two-stroke technology with superior power and minimal weight. It´s never been so easy to be ´ready to race´!
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| General information |
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| Model | KTM 125 EXC |
| Year | 2011 |
| Category | Enduro / offroad |
| Rating | 3.5 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. |
| Engine and transmission |
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| Displacement | 124.8 ccm (7.62 cubic inches) |
| Engine type | Single cylinder, two-stroke |
| Compression | 12.5:1 |
| Bore x stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Fuel system | Carburettor. Keihin PWK 36 S AG |
| Ignition | Kokusan |
| Lubrication system | Mixture oil lubrication 1:60 |
| Cooling system | Liquid |
| Gearbox | 6-speed |
| Transmission type | Chain (final drive) |
| Clutch | Wet mDouble disk clutch, operated hydraulically |
| Driveline | 14:42 (13:50). Primary drive: 23:73. |
| Exhaust system | Aluminium |
| Chassis, suspension, brakes and wheels |
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| Frame type | Central double-cradle-type 25CrMo4 steel. Subframe: Aluminium. |
| Rake (fork angle) | 26.5° |
| Front suspension | WP USD 48 mm (1.89 in) |
| Front wheel travel | 185 mm (7.3 inches) |
| Rear suspension | WP PDS shock absorber |
| Rear wheel travel | 185 mm (7.3 inches) |
| Front tire | 90/90-21 |
| Rear tire | 120/90-18 |
| Front brakes | Single disc |
| Diameter | 260 mm (10.2 inches) |
| Rear brakes | Single disc |
| Diameter | 220 mm (8.7 inches) |
| Wheels | 1.60 x 21in., 2.15 x 18in. Excel |
| Physical measures and capacities |
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| Dry weight | 97.0 kg (213.8 pounds) |
| Seat height | 985 mm (38.8 inches) If adjustable, lowest setting. |
| Ground clearance | 390 mm (15.4 inches) |
| Wheelbase | 1471 mm (57.9 inches) |
| Fuel capacity | 9.50 litres (2.51 US gallons) |
| Other specifications |
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| Color options | Orange/white/black |
| Starter | Kick |
| Comments | A racing tuned version called ECX SIXDAYS is available. |
| Update specs | Report missing specs or required updates. |
| Further information |
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| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Finance options | Compare US motorcycle loan quotes from the nation's top providers. |
| Parts finder | Revzilla offers up to 50% off motorcycle accessories. Ships to most countries.
Also check out our overview of motorcycle webshops at Bikez.info. |
| Dirt-bike parts | Dirt-bike parts and gear available from Mega Motor Madness . Ships to most countries. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 11 KTM 125 EXC discussion group or the general KTM discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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