Specification KTM 50 SX PRO JUNIOR LC – 2003
Dive into the world of motocross with the 2003 KTM 50 SX Pro Junior LC – the perfect choice for young speed enthusiasts! This iconic model features a 49.8 cm³ engine designed for young riders who want to experience true power on the track. Its lightweight construction and precise suspension make every turn a pure pleasure, while the dynamic design catches the eye. The KTM 50 SX Pro Junior LC is not just a motorcycle – it's the key to discovering a passion for motocross and building skills in a safe and exciting way. Don’t wait! Explore the details of this exceptional model and see what opportunities await you on the road to triumph!
Track Your Fuel Costs
Log every fill-up, monitor consumption trends and keep all your motorcycle expenses in one place — powered by AI.
Start Your Fuel Journal →Technical Specifications KTM 50 SX Pro Junior LC 2003
Engine
| Engine Capacity (cm³) | 49.8 |
|---|---|
| Type | Single-cylinder, two-stroke |
| Details | - |
| Bore × Stroke (mm) | 39.5 x 40.0 |
| Compression | - |
| Valves/Cylinder | - |
| Max RPM | - |
Performance
| Power (HP) | - |
|---|---|
| Max power RPM | - |
| Torque (Nm) | - |
| Peak Torque (RPM) | - |
| 0-100 km/h (s) | - |
| 1/4 Mile (s) | - |
| Top Speed (km/h) | - |
Transmission
| Gearbox | - |
|---|---|
| Final Drive | Chain (final drive) |
| Clutch | - |
| Driveline | - |
Track Your Fuel Costs
Log every fill-up, monitor consumption trends and keep all your motorcycle expenses in one place — powered by AI.
Fuel & Emissions
| Fuel System | Carburettor |
|---|---|
| Fuel Control | - |
| Fuel Consumption (l/100 km) | - |
| Fuel Capacity (l) | 2 |
| Reserve Fuel (l) | - |
| Oil Capacity (l) | - |
| CO₂ Emissions (g/km) | - |
| Emission Details | - |
| Exhaust System | - |
Chassis & Suspension
| Frame Type | - |
|---|---|
| Rake Angle (°) | - |
| Trail (mm) | - |
| Front Suspension | - |
| Front Wheel Travel (mm) | 140 mm (5.5 inches) |
| Rear Suspension | - |
| Rear Wheel Travel (mm) | 205 mm (8.1 inches) |
Dimensions & Weight
| Dry Weight (kg) | 37,6 |
|---|---|
| Total Weight (kg) | - |
| Power-to-Weight Ratio | - |
| Seat Height (mm) | 585 |
| Overall Height (mm) | - |
| Overall Length (mm) | - |
| Overall Width (mm) | - |
| Wheelbase (mm) | 910 |
| Ground Clearance (mm) | 220 |
Wheels & Brakes
| Front Tyre | 2.75-10 |
|---|---|
| Rear Tyre | 2.50-10 |
| Front Brakes | Single disc |
| Front Brake Diameter (mm) | 160 |
| Rear Brakes | Expanding brake (drum brake) |
| Rear Brake Diameter (mm) | 90 |
| Wheels | - |
Electronics
| Starter | - |
|---|---|
| Instruments | - |
| Electrical | - |
| Light | - |
| Battery | - |
| Ignition | - |
Service & Maintenance
| Lubrication System | - |
|---|---|
| Cooling System | Liquid |
| Engine Oil | - |
| Oil Filter | - |
| Brake Fluid | - |
| Coolant | - |
| Spark Plugs | - |
