Segment:
High-performance Enduro / Off-road Motorcycle
Philosophy:
Built for extreme off-road conditions, rally racing, and demanding trail riding.
Competitors:
Yamaha WR450F, Honda CRF450X, Husqvarna TE450, Beta RR450
Six Days Edition:
Special edition commemorating International Six Days Enduro (ISDE) with enhanced features and specific graphics.
Performance Focus:
Emphasis on lightweight construction, powerful engine, and advanced suspension for competitive off-road use.
Engine:
Complete overhaul, diagnostics, tuning, fuel system, lubrication system, cooling system
Transmission:
Clutch, gearbox, final drive, lubrication
Chassis:
Frame, suspension (front and rear), steering, wheels, bearings
Brakes:
Hydraulic system, calipers, master cylinders, discs, bleeding procedures
Electrical System:
Wiring diagrams, ignition system, lighting, charging system, starter, sensors, diagnostics
Fuel System:
Carburetor (Mikuni TM40-6) or Fuel Injection system (depending on exact specification), fuel pump, filters, lines
Maintenance:
Routine checks, oil changes, filter replacements, spark plug service, chain adjustment
Troubleshooting:
Diagnostic flowcharts, common problems and solutions, electrical fault finding
Repair:
Component disassembly, reassembly, replacement, internal engine work, suspension overhaul
Technical Data:
Torque specifications, clearances, fluid capacities, electrical specifications
Depth:
Comprehensive, suitable for professional mechanics and experienced DIY technicians
Type:
Four-stroke, single-cylinder, OHC, 4 valves
Bore X Stroke:
95 mm x 63.4 mm
Cooling System:
Liquid-cooled
Horsepower:
Approx. 50-55 HP (Varies by tuning and specific market)
Torque:
Approx. 45-48 Nm (Varies by tuning and specific market)
Carburetor Type:
Mikuni TM40-6 (common on many EXC models of this era; FI also possible depending on region/specific model variant)
Fuel Type:
Unleaded gasoline, minimum 91 octane
Oil Type:
High-performance motorcycle specific 4-stroke engine oil (e.g., Motorex Power Synth 4T 10W-50 or equivalent)
Oil Capacity:
Approx. 1.1 - 1.2 Liters (check manual for precise value)
Type:
6-speed, constant mesh
Optional Gearsets:
N/A (Standard configuration)
Clutch Type:
Hydraulically operated, multi-disc wet clutch
Final Drive:
Chain drive (520 pitch, O-ring or X-ring)
Gearbox Oil Type:
Dedicated gearbox oil or engine oil depending on KTM's specifications for this model year (often shared with engine oil)
Length:
Approx. 2200 mm (varies slightly)
Width:
Approx. 820 mm (handlebar width, varies slightly)
Height:
Approx. 1260 mm (seat height, varies)
Dry Weight:
Approx. 113 kg (without fuel)
Wet Weight:
Approx. 123 kg (with fluids, without fuel)
Max Load:
Typically around 100-120 kg rider and luggage
Front Wheel Size:
21 x 1.60
Front Tire Size:
90/90-21 (or 80/100-21)
Rear Wheel Size:
18 x 2.15
Rear Tire Size:
140/80-18 (or 120/90-18)
Ground Clearance:
Approx. 350-360 mm
Seat Height:
Approx. 945 mm
Wheelbase:
Approx. 1480 mm
Safety Certification:
Not applicable in the same manner as street-legal vehicles; designed for off-road use. Compliance with specific racing regulations may apply.
Braking System:
Hydraulic disc brakes front and rear (e.g., Brembo components).
Suspension Design:
Advanced off-road suspension for stability and control over rough terrain (e.g., WP USD forks, PDS rear shock).
Frame Construction:
Chromium-molybdenum steel trellis frame for strength and flexibility.
Handguards:
Standard for protection of hands and levers.
Display:
Digital multi-function display (speedometer, odometer, trip meter, clock).
Navigation:
N/A (Designed for off-road; aftermarket GPS typically used)
ABS:
N/A (ABS was not standard or typically available on off-road motorcycles of this era).
Connectivity Features:
N/A
Oil Change Interval:
Typically every 15-20 hours of riding, or annually. (Refer to manual for precise interval)
Air Filter Cleaning:
Recommended every 5-10 hours of riding or after dusty conditions.
Spark Plug Replacement:
Check every 10-15 hours, replace as needed.
Valve Clearance Check:
Typically every 20-30 hours of riding. (Refer to manual for precise interval)
Fork Oil Type:
Specific suspension fluid, e.g., WP Suspension Fluid 5W or equivalent (check manual for exact type and viscosity)
Brake Fluid Type:
DOT 4 brake fluid.
Coolant Type:
Ethylene glycol-based coolant, 50/50 mix with distilled water.
Common Wear Items:
Clutch plates, chain and sprockets, wheel bearings, steering head bearings, fork seals.
Engine Characteristics:
Known for strong mid-range power delivery; requires attentive maintenance for peak performance.
Suspension Performance:
WP suspension is generally high-quality but may require tuning or service for optimal rider comfort and control.
Heritage:
KTM is renowned for its off-road racing pedigree and 'Ready to Race' philosophy, with a long history in enduro and motocross.
Exc Lineage:
The EXC line has been a staple of KTM's off-road offering for decades, evolving with engine technology, chassis design, and suspension advancements.
2009 Updates:
Model year 2009 saw various refinements over previous generations, including potential updates to suspension, engine management, and bodywork.
Manufacturing Location:
Austria (KTM AG)
General Recognition:
KTM EXC models are consistently highly rated in off-road and enduro magazines for their performance, handling, and competitive edge.
Performance Reviews:
Praised for strong engine output, sophisticated chassis dynamics, and capable suspension for its class.
Production Standards:
Manufactured to rigorous KTM quality and engineering standards.
