KTM 250 EX/C Enduro (1997 -98)

KTM 250 EX/C Enduro (1997 -98)

The KTM 250 EXC, a powerhouse of an enduro bike that has consistently outperformed its competitors. With its renowned reputation for being the best box-stock enduro racer, this quarter-liter offering from Austria has captured the hearts of many off-road enthusiasts. Boasting a robust engine character, the 250 EXC delivers an unmatched combination of power and agility, making it a thrill to ride.

KTM’s relentless pursuit of innovation has led to a string of technological advancements, including power valves, USD forks, and water cooling. The company’s commitment to pushing the boundaries of motorcycle design and engineering has resulted in a bike that is not only exceptional in its performance but also remarkably durable.

The 1997 model year has seen significant improvements, with the introduction of a state-of-the-art Kokusan spark unit, replacing the previous SEM ignition. Additionally, the bike now features Marzocchi’s mega-fork, which has further enhanced its handling capabilities.

As we put the 250 EXC through its paces, it became clear that KTM has indeed created another winner. The bike’s engine character is as smooth as it is potent, and its handling is nothing short of exceptional. With its impressive array of features and its reputation for reliability, the KTM 250 EXC is an enduro bike that is sure to leave a lasting impression on any rider who dares to take it on.

Key Specifications

Engine TypeTwo stroke, single cylinder
Engine Capacity249 cc / 15.2 cu in
Fuel Tank Capacity9.5 Litres or 12 L / 2.5 US gal or 3.2 US gal
Seat Height36.4 inches / 925 mm
KTM 250 EX/C Enduro (1997 -98)

All Specifications

Make & Model

ModelKTM 250 EX/C Enduro
Year1997 -98

Engine

Engine TypeTwo stroke, single cylinder
Displacement249 cc / 15.2 cu in
Bore x Stroke67.5 x 69.5 mm
Compression Ratio6.0:1
Engine Management SystemKeihin PWK 36 S AGCarburettor
Lubrication SystemTwo stroke oil, mix: 1:50 – 1:60
Cooling SystemLiquid cooled

Performance

Top Speedn/a

Transmission

ClutchWet, multiplate, hydraulically operated
Gearbox5 Speed
Primary Drive Ratio25:72
Gear Ratios1 st 15:29 / 2nd 18:26 / 3rd 19:22 / 4th 21:20 / 5th 23:18
Final DriveChain, 5/8″ x 1/4″

Electrical & Electronics System

StarterKick

Chassis & Suspension

Frame TypeCentral chrome-moly-steel frame
Front SuspensionWP Extreme 50 mm upsidedown fork
Rear SuspensionWP Progressive Damping System shock absorber, aluminium swingarm
Rake26.6
Trail114 mm / 4.5 in

Wheels & Brakes

Front Tire Size90/90 – 21″ 54R
Rear Tire Size140/80 – 18″ 70R
Front BrakesSingle 260 mm disc, floating caliper
Rear BrakesSingle 220 mm disc, floating caliper

Dimension & Weights

Seat Height36.4 inches / 925 mm
Wheelbase58.3 inches / 1481 mm
Ground Clearance385 mm / 15 in
Fuel Tank Capacity9.5 Litres or 12 L / 2.5 US gal or 3.2 US gal
Dry Weight108.2 kg / 238.5 lbs

Features

  • Power valves
  • USD forks
  • Water cooling
  • Conventional slider forks (re-introduced)
  • SEM ignition replaced with Kokusan spark unit
  • 50mm Marzocchi sliders
  • Beefy and weighty fork design
  • Front brake hose makes mounting hand guards more difficult
  • Japanese Kokusan spark unit
  • Mega-fork from Marzocchi
  • New front brake hose
  • Sano fork boots installed
  • Proper fork oil level
  • Rear shock
  • Levers and controls
  • Adjustable levers and controls
  • High-quality construction

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