22 June. Monday 2026
KTM 50 Junior Adventure - 2003 Specifications and Reviews
The 2003 KTM 50 Junior Adventure is an entry-level minibike designed for young riders learning fundamental off-road skills. Its lightweight two-stroke engine, long-travel suspension, and knobby tires make it ideal for beginners exploring trails and developing motorcycle control. KTM built it to be durable, affordable, and fun for junior riders starting their adventure riding journey.
2003
Engine and Transmission Specifications | |
| Transmission type,final drive | Chain |
| Cooling system | Air |
| Fuel system | Carburettor |
| Bore x stroke | 39.5 x 40.0 mm (1.6 x 1.6 inches) |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 49.80 ccm (3.04 cubic inches) |
| Category | Minibike, cross |
| Year | 2003 |
| Model | KTM 50 Junior Adventure |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 90 mm (3.5 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes diameter | 90 mm (3.5 inches) |
| Front brakes | Expanding brake (drum brake) |
| Rear tyre dimensions | 2.50-10 |
| Front tyre dimensions | 2.50-10 |
| Rear suspension travel | 205 mm (8.1 inches) |
| Front suspension travel | 140 mm (5.5 inches) |
| | |
Physical measures and capacities | |
| Fuel capacity | 2.00 litres (0.53 gallons) |
| Wheelbase | 910 mm (35.8 inches) |
| Ground clearance | 220 mm (8.7 inches) |
| Alternate seat height | 610 mm (24.0 inches) If adjustable, highest setting. |
| Seat height | 585 mm (23.0 inches) If adjustable, lowest setting. |
| Dry weight | 38.2 kg (84.2 pounds) |
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