Market Segment:
High-performance off-road motorcycles (motocross and enduro)
Competitors 2006:
Yamaha YZ series, Honda CR series, Suzuki RM series, Kawasaki KX series (motocross); Yamaha WR series, Honda XR/CRF-X, Suzuki DR-Z, Kawasaki KLX (enduro)
Performance Focus:
Lightweight, agile, powerful two-stroke engines
Intended Use:
Motocross racing (SX) and Enduro/off-road riding (EXC)
Covered Models:
KTM 125 SX, 125 EXC, 200 SX, 200 EXC, 250 SX, 250 EXC, 300 SX, 300 EXC
Page Count:
Varies by specific model, typically 100-250 pages
Manual Type:
Owner's Manual
Language:
English (primary, potentially others included in the original publication)
Format:
Printed booklet (typical for original equipment)
Engine:
Operation, basic maintenance, break-in procedure, fuel and oil recommendations
Transmission:
Gear selection, clutch operation, lubrication recommendations
Chassis:
Suspension adjustment basics, tire pressure, general handling advice
Electrical System:
Lighting operation, battery care basics, fuse identification (limited scope)
Controls:
Handlebar controls, levers, pedals, seating position
Fuel System:
Fuel type recommendations, fuel tank capacity, refueling procedure
Cooling System:
Coolant type and level checks (for EXC models with radiators)
Operation:
Starting procedure, riding techniques, proper warm-up
Maintenance:
Regular checks (tires, chain, fluids), cleaning, storage
Troubleshooting:
Basic problem identification (e.g., starting issues), though limited compared to a service manual
Safety:
Riding safety precautions, protective gear recommendations, vehicle safety features
Depth:
Owner-level basic operation and maintenance, focusing on user understanding rather than detailed repair
File Format Details:
Physical printed document, not digital.
Print Quality:
Typically standard OEM print quality, clear diagrams and text.
Binding Type:
Stapled or saddle-stitched booklet.
Paper Type:
Standard paper stock, suitable for workshop environments.
Engine Type:
Liquid-cooled, two-stroke, single-cylinder
Bore X Stroke 125:
54 mm x 54.5 mm (approx.)
Bore X Stroke 200:
64 mm x 60 mm (approx.)
Bore X Stroke 250:
66.4 mm x 72 mm (approx.)
Bore X Stroke 300:
72 mm x 73.2 mm (approx.)
Ignition:
Digital CDI ignition
Cooling System Type:
Liquid cooling (with radiator for all models)
Horsepower 125:
Approx. 35-40 HP (subject to tune)
Horsepower 250:
Approx. 45-50 HP (subject to tune)
Horsepower 300:
Approx. 50-55 HP (subject to tune)
Carburetor 125:
Keihin PWK 36 (typical)
Carburetor 250/300:
Keihin PWK 38 (typical)
Fuel Type:
Unleaded gasoline, minimum 95 RON (octane rating)
Oil Mixing:
Pre-mix fuel/oil ratio as per manual recommendation (e.g., 50:1, 40:1 with specific 2-stroke oil)
Frame Type:
Chromium-molybdenum steel, central tube, cross member, with bolt-on subframe
Dry Weight 125:
Approx. 95 kg (209 lbs)
Dry Weight 250:
Approx. 102 kg (225 lbs)
Fuel Tank Capacity:
Approx. 7-9 liters (1.8-2.4 US gallons)
Seat Height:
Approx. 950-960 mm (37.4-37.8 inches)
Instrumentation:
Digital hour meter/odometer, basic indicator lights (e.g., neutral, turn signals for EXC).
Traction Control:
Not applicable for this model year and type.
Bluetooth:
Not applicable for this model year.
Oil Change Interval:
As per manual; typically after break-in and then every 15-30 hours of riding for transmission oil.
Air Filter Cleaning:
Frequent cleaning recommended, especially in dusty conditions (per manual guidelines).
Spark Plug Check:
Regular checks and cleaning/replacement as needed.
Chain Lubrication Adjustment:
Regularly, as per manual's recommended slack.
Transmission Oil:
KTM recommends specific high-quality motorcycle gear oil or SAE 10W/30, 15W/40 mineral or synthetic oils. Check manual for exact specification. Capacity approx. 0.7-0.8 liters.
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors (for EXC models with radiators). Typically a 50/50 mix with distilled water.
Brake Fluid:
DOT 4 brake fluid (Brembo systems)
Common Wear Items:
Clutch plates, piston rings, spark plugs, air filters, chain and sprockets, wheel bearings, suspension seals (dependent on usage and maintenance).
Carburetor Tuning:
May require jetting changes based on altitude, temperature, and exhaust modifications.
Ktm Heritage:
KTM AG is an Austrian motorcycle manufacturer renowned for its off-road racing pedigree, established in 1934.
Sx Exc Evolution:
The SX and EXC lines are KTM's flagship motocross and enduro platforms, with continuous development in chassis, suspension, and engine technology since their inception.
Manufacturing Location:
Austria (primary)
