Back to Bike FinderYears: 2005 · 2004 · 2003
2003Minibike
KTM 50 SX Pro Junior LC
Key specifications
Engine
50 cc
Weight
38 kg
Fuel type
petrol
Fuel capacity
0.5 L
Seat height
23 mm
Front brakes
Single disc
Rear brakes
Expanding brake (drum brake)
Overview
Introducing the 2003 KTM 50 SX
Pros
- Lightweight Design: At only 37.6 kg, the bike is easy to handle, making it perfect for younger, less experienced riders.
- Powerful Engine: The 49.80 ccm two-stroke engine provides ample power for thrilling performance on the track.
- Advanced Suspension: With 205 mm of rear travel, the bike offers superior handling on rough terrain, enhancing rider confidence.
Cons
- Limited Fuel Capacity: With a fuel tank of just 2.00 litres, riders may need to refuel often during extended sessions.
- Basic Brake System: While effective for beginners, the drum rear brake may not provide the stopping power some advanced riders desire.
- Two-Stroke Maintenance: The two-stroke engine requires regular maintenance and attention to keep it performing at its best.
Technical details
Source specification data
- Make
- KTM
- Model
- 50 SX Pro Junior LC
- Category
- Minibike-cross
- Fuel System
- Carburettor
- Bore X Stroke
- 39.5 x 40.0 mm (1.6 x 1.6 inches)
- Displacement
- 49.80 ccm (3.04 cubic inches)
- Cooling System
- Liquid
- Engine Details
- Single cylinder, two-stroke
- Transmission Type Final Drive
- Chain
- Dry Weight
- 37.6 kg (82.9 pounds)
- Seat Height
- 585 mm (23.0 inches) If adjustable, lowest setting.
- Fuel Capacity
- 2.00 litres (0.53 gallons)
- Ground Clearance
- 220 mm (8.7 inches)
- Alternate Seat Height
- 610 mm (24.0 inches) If adjustable, highest setting.
- Rear Tyre
- 2.50-10
- Front Tyre
- 2.75-10
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Single disc
- Rear Wheel Travel
- 205 mm (8.1 inches)
- Front Wheel Travel
- 140 mm (5.5 inches)
- Rear Brakes Diameter
- 90 mm (3.5 inches)
- Front Brakes Diameter
- 160 mm (6.3 inches)