KTM 50 SX Pro Senior LC - 2005 Specifications and Reviews
The 2005 KTM 50 SX Pro Senior LC is a liquid-cooled minibike designed for young riders progressing beyond beginner level. Known for its lightweight construction at 38.8 kg and responsive single-cylinder engine, it excels in off-road racing and training environments. The adjustable centrifugal clutch and low seat height make it ideal for developing proper riding technique and confidence on technical terrain.
Engine and Transmission Specifications | |
| Clutch | Centrifugal clutch (adjustable) |
| Transmission typefinal drive | Chain |
| Cooling system | Liquid |
| Ignition | Seletra analogue |
| Fuel system | Carburettor. Dell´Orto PHVA 19 BS |
| Bore x stroke | 39.5 x 40.0 mm (1.6 x 1.6 inches) |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 49.00 ccm (2.99 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,030 mm (40.6 inches) |
| Ground clearance | 255 mm (10.0 inches) |
| Seat height | 650 mm (25.6 inches) If adjustable, lowest setting. |
| Dry weight | 38.8 kg (85.5 pounds) |
KTM 50 SX Pro Senior LC dimensions and frame | |
| Rear brakes diameter | 216 mm (8.5 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 216 mm (8.5 inches) |
| Front brakes | Single disc |
| Rear suspension | WP monoshock |
| Front suspension travel | 32 mm (1.3 inches) |
| Front suspension | Marzocchi |
| Trail | 67 mm (2.6 inches) |
| Rake (fork angle) | 24.0° |
| Frame type | Central double-cradle-type frame |
Speed and acceleration | |
| Fuel capacity | 1.80 litres (0.48 gallons) |
| | |
| Category | Minibike, cross |
| Year | 2005 |
| Model | KTM 50 SX Pro Senior LC |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track60%
City5%
Cornering55%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a purpose-built first motocross bike for young children just starting out, not for any rider with prior full-size bike experience. |
| Purpose | Designed to teach small kids the fundamentals of motocross riding in a controlled, low-speed off-road environment. |
| Rider Fit | Its tiny 650mm seat height and 38.8kg weight mean it is only physically suitable for young children, typically around 4 to 8 years old. |
| Character | A miniature but genuine dirt bike with a centrifugal clutch and real suspension components, giving a confidence-inspiring introduction to off-road riding. |
| Not Ideal For | This bike is not suitable for teenagers, adults, road use, or anyone seeking speed, comfort, or long-distance capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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