KTM 150 SX - 2011 Specifications and Reviews
The 2011 KTM 150 SX is a lightweight two-stroke enduro bike designed for young riders and beginners seeking an agile off-road machine. Its 143cc single-cylinder engine delivers nimble handling and easy power delivery, making it ideal for learning fundamental dirt biking skills. Known for its responsive performance and compact frame, this model excels in tight terrain and technical trails.
General information | |
| Category | Enduro / offroad |
| Year | 2011 |
| Model | KTM 150 SX |
Engine and Transmission Specifications | |
| Exhaust system | Aluminium |
| Driveline | 14:50. Primary drive: 23:73. |
| Clutch | Wet mDouble disk clutch, operated hydraulically |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Mixture oil lubrication 1:40 |
| Ignition | Kokusan |
| Fuel system | Carburettor. Keihin PWK 38S AG |
| Bore x stroke | 56.0 x 58.4 mm (2.2 x 2.3 inches) |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 143.60 ccm (8.76 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | 1,60 x 21in., 2,15 x 19in. Excel |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 100/90-19 |
| Front tyre dimensions | 80/100-21 |
| Rear suspension travel | 185 mm (7.3 inches) |
| Rear suspension | WP PDS shock absorber |
| Front suspension travel | 185 mm (7.3 inches) |
| Front suspension | WP USD 48 mm (1.89 in) |
| Rake (fork angle) | 26.5° |
| Frame type | Cental double-cradle-type 25CrMo4. Subframe: Aluminium. |
| | |
Physical measures and capacities | |
| Fuel capacity | 7.50 litres (1.98 gallons) |
| Wheelbase | 1,480 mm (58.3 inches) |
| Ground clearance | 385 mm (15.2 inches) |
| Seat height | 992 mm (39.1 inches) If adjustable, lowest setting. |
| Dry weight | 88.8 kg (195.8 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Orange/black/white |
| Starter | Kick |
Performance Profile & Rider Fit
Best For
Track90%
City5%
Cornering88%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | Best suited to intermediate-to-advanced off-road riders, as a small-bore two-stroke motocross machine demands active riding and precise clutch and throttle control to stay in its power band. |
| Purpose | Built purely for motocross and cross-country racing on dirt tracks, not for street or commuting use. |
| Rider Fit | Its ultra-light dry weight and tall seat height favor smaller or lighter riders who can still comfortably manage the high seat and aggressive riding stance. |
| Character | A high-strung, revvy two-stroke that rewards aggressive riding, quick gear changes, and an active body position with sharp, flickable handling. |
| Not Ideal For | Not suitable for riders wanting a comfortable, relaxed, road-going or touring motorcycle, or anyone seeking passenger capability or long-distance comfort. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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