Back to Bike FinderYears: 2005 · 2004 · 2003

2005Minibike
KTM 50 SX Pro Junior LC
Key specifications
Engine
49 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 2005 KTM 50 SX
Pros
- Lightweight and Compact: Weighing only 37.6 kg, the 50 SX Pro Junior LC is easy to handle, making it perfect for younger riders.
- Adjustable Centrifugal Clutch: This feature allows for customized power delivery, helping riders develop their skills at their own pace.
- Advanced Suspension: The combination of Marzocchi and WP suspension components provides excellent shock absorption, ensuring a smooth ride even on rugged terrain.
Cons
- Limited Fuel Capacity: With a fuel tank capacity of just 1.80 litres (0.48 gallons), frequent refueling may be needed during extended riding sessions.
- Minimal Front Travel: At just 32 mm, the front suspension travel may limit performance on particularly rough tracks.
- Two-Stroke Maintenance: While two-stroke engines are known for their power, they typically require more frequent maintenance than four-stroke counterparts, which may be a consideration for new riders and their caretakers.
Technical details
Source specification data
- Make
- KTM
- Model
- 50 SX Pro Junior LC
- Category
- Minibike-cross
- Clutch
- Centrifugal clutch (adjustable)
- Ignition
- Seletra analogue
- Fuel System
- Carburettor. Dell´Orto PHVA 14 DS
- Bore X Stroke
- 39.5 x 40.0 mm (1.6 x 1.6 inches)
- Displacement
- 49.00 ccm (2.99 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
- 1.80 litres (0.48 gallons)
- Ground Clearance
- 220 mm (8.7 inches)
- Rake
- 24.0°
- Trail
- 69 mm (2.7 inches)
- Frame Type
- Central double-cradle-type frame
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Single disc
- Rear Suspension
- WP monoshock
- Front Suspension
- Marzocchi
- Front Wheel Travel
- 32 mm (1.3 inches)
- Rear Brakes Diameter
- 216 mm (8.5 inches)
- Front Brakes Diameter
- 216 mm (8.5 inches)