06 December. Saturday 2025
KTM 50 SX Junior - 2009 Specifications and Reviews
Engine and Transmission Specifications | |
| Clutch | Centrifugal clutch (adjustable) |
| Gearbox | Automatic |
| Cooling system | Liquid |
| Lubrication system | Mixture lubrication |
| Starter | Kick |
| 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) |
| Compression | 12.5:1 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 49.00 ccm (2.99 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 910 mm (35.8 inches) |
| Ground clearance | 220 mm (8.7 inches) |
| Seat height | 607 mm (23.9 inches) If adjustable, lowest setting. |
| Dry weight | 37.6 kg (82.9 pounds) |
KTM 50 SX Junior dimensions and frame | |
| Exhaust system | Aluminium |
| Rear brakes diameter | 140 mm (5.5 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 160 mm (6.3 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 2.75-10 |
| Front tyre dimensions | 2.5-10 |
| Rear suspension travel | 125 mm (4.9 inches) |
| Rear suspension | WP monoshock |
| Front suspension travel | 205 mm (8.1 inches) |
| Front suspension | Marzocchi |
| Trail | 140 mm (5.5 inches) |
| Rake (fork angle) | 24.0° |
| Frame type | Central double-cradle-type frame. Steel subframe. |
Speed and acceleration | |
| Color options | Orange/black |
| Fuel capacity | 2.30 litres (0.61 gallons) |
| Category | Minibike, cross |
| Year | 2009 |
| Model | KTM 50 SX Junior |
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