| MODEL | KTM 250 EXC ENDURO 1997 - 1998 |
| Year | 1997 - 1998 |
| Engine Type | Two stroke, single cylinder |
| Displacement / Capacity | 249 cc / 15.2 cu in |
| Bore X Stroke | 67.5 x 69.5 mm |
| Compression Ratio | 6.0:1 |
| Cooling System | Liquid cooled |
| Max Power | — |
| Max Torque | — |
| Ignition | Kokusan digital 2K-3 |
| Induction | Keihin PWK 36 S AG carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Two-stroke oil, mix 1:50 to 1:60 |
| Gear Box | 5 speed |
| Clutch | Wet, multiplate, hydraulically operated |
| Final Drive | Chain 5/8 x 1/4 in, ratio 14:50 |
| CHASSIS SPECS | |
| Frame | Central chrome-moly-steel frame |
| Front Suspension | WP Extreme 50 mm upside-down fork, 280 mm / 11.0 in travel |
| Rear Suspension | WP Progressive Damping System shock absorber, aluminium swingarm, 320 mm / 12.6 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 | 385 mm / 15 in |
| Dry Weight | 108.2 kg / 238.5 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90 - 21 54R |
| Rear Tyre | 140/80 - 18 70R |
| FUEL SYSTEM | |
| Fuel Capacity | 9.5 L or 12 L / 2.5 US gal or 3.2 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 1997 to 1998 KTM 250 EXC is a 249 cc two-stroke enduro with a WP Extreme 50 mm fork and an aluminium-swingarm rear shock. The page describes it as one of the strongest box-stock enduro racers in its class. It uses a 5-speed gearbox and a Keihin PWK 36 carburettor.
