KTM 50 SX - 2018 Specifications and Reviews
The 2018 KTM 50 SX is an entry-level two-stroke dirt bike designed for young riders aged 4-8 years old, offering an ideal balance of performance and manageability. Known for its lightweight construction, responsive handling, and KTM's proven reliability, it features adjustable power output for gradual skill development. The compact frame, low seat height, and nimble character make it the go-to choice for beginners entering competitive youth motocross.
Engine and Transmission Specifications | |
| Clutch | Centrifugal clutch |
| Transmission type,final drive | Chain |
| Gearbox | 1-speed |
| Cooling system | Liquid |
| Lubrication system | Mixture oil lubrication |
| Ignition | Seletra 2p D36 |
| Fuel system | Carburettor. Mikuni TMX |
| Bore x Stroke | 39.5 x 40.0 mm (1.6 x 1.6 inches) |
| Engine details | Reed intake |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 49.00 ccm (2.99 cubic inches) |
| Category | Cross / motocross |
| Year | 2018 |
| Model | KTM 50 SX |
Brakes, suspension, Frame and wheels | |
| Wheels | Wire spoked |
| Rear brakes diameter | 160 mm (6.3 inches) |
| Rear brakes | Single disc. Two-piston calipers. |
| Front brakes diameter | 160 mm (6.3 inches) |
| Front brakes | Single disc. Four-piston calipers. |
| Rear wheel travel | 185 mm (7.3 inches) |
| Rear Suspension | WP shock absorber |
| Front wheel travel | 205 mm (8.1 inches) |
| Front Suspension | WP upside-down Ø 35 mm |
| Rake (fork angle) | 24.0° |
| Frame type | Central-tube frame with double-cradle |
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Physical measures and capacities | |
| Fuel capacity | 2.30 litres (0.61 gallons) |
| Wheelbase | 1,032 mm (40.6 inches) |
| Ground clearance | 252 mm (9.9 inches) |
| Seat height | 684 mm (26.9 inches) If adjustable, lowest setting. |
| Dry weight | 41.5 kg (91.5 pounds) |
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Other specs | |
| Comments | The engine power can be restricted to 5.5 hp with a kit. |
| Starter | Kick |
| Color options | Orange/white/black |
Rider Reviews
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