| 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: | 69.3 out of 100. Show full rating and compare with other bikes |
| Engine and transmission |
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| Displacement: | 124.80 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,
final drive: | Chain |
| 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 tyre: | 90/90-21 |
| Rear tyre: | 120/90-18 |
| Front brakes: | Single disc |
| Front brakes diameter: | 260 mm (10.2 inches) |
| Rear brakes: | Single disc |
| Rear brakes 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: | 1,471 mm (57.9 inches) |
| Fuel capacity: | 9.50 litres (2.51 gallons) |
| Other specifications |
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| Color options: | Orange/white/black |
| Starter: | Kick |
| Comments: | A racing tuned version called ECX SIXDAYS is available. |
| Further information |
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| Insurance costs | Get a US insurance quote from Progressive. |
| Parts finder |
Chaparral provides online schematics & OEM parts for the US.
2Wheels offers first time 2Wheels buyers $10.00 off now. Same day shipment to the US.
Also check out our overview of motorcycle webshops at Bikez.info. |
| Dirt-bike parts | Dirt-bike parts and gear available from Rocky Mountain ATV/MC . Ships to most countries. |
| 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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(69.3 out of 100)