| MODEL | KTM 525 EXC 2005 - 2007 |
| Year | 2005 - 2007 |
| Engine Type | Four stroke, single cylinder, SOHC, 4 valves per cylinder |
| Displacement / Capacity | 510.4 cc / 31.1 cu in |
| Bore X Stroke | 95 x 72 mm |
| Compression Ratio | — |
| Cooling System | Liquid cooled |
| Max Power | — |
| Max Torque | — |
| Ignition | CDI Kokusan 4K-3 |
| Induction | Keihin MX FCR 3900E |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | Pressure circulation with two rotor pumps |
| Gear Box | 6 Speed, primary drive 33:76 |
| Clutch | Wet, multi-disc |
| Final Drive | Chain, ratio 15:45 |
| CHASSIS SPECS | |
| Frame | Central tube chrome-moly steel |
| Front Suspension | WP 4860 MXMA USD fork, 300 mm / 11.8 in travel |
| Rear Suspension | WP Progressive Damping System, aluminium swingarm, 335 mm / 13.2 in travel |
| Front Brakes | Single 260 mm disc, floating caliper |
| Rear Brakes | Single 220 mm disc, floating caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 925 mm / 36.4 in |
| Wheelbase | 1481 mm / 58.3 in |
| Ground Clearance | 380 mm / 15.1 in |
| Dry Weight | 113 kg / 249 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90 - 21 |
| Rear Tyre | 140/80 - 18 |
| FUEL SYSTEM | |
| Fuel Capacity | 8.5 L / 2.2 US gal / 1.9 Imp gal |
| Fuel Consumption | — |
| Top Speed | — |
The 525 EXC for 2005-07, a 510 cc liquid-cooled four-stroke single in a central-tube chrome-moly frame with a WP progressive-damping rear shock. The source review calls it powerful and tractable but more demanding to ride than many rivals, aimed at serious dirt riders.
