The KTM 150 SX motorcycle specifications include a 143.6 cc (8.76 cu in) engine, a 6-speed gearbox, and a listed weight of 90.8 kg (200.2 lb).
Key specifications
2009-2022Model years
144 ccDisplacement
90.8 kgDry weight
985 mmSeat height
8 LFuel tank
1,471 mmWheelbase
390 mmGround clearance
Model years covered
20092010201120122013201420152016201720182019202020212022
Year-specific specification changes
The 2009 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Bore × stroke
2010201556.0 x 58.4 mm (2.2 x 2.3 inches)
2016202258.0 x 54.5 mm (2.3 x 2.1 inches)
Displacement
20162019143.9 cc (8.78 cu in)
20202022144 cc (8.79 cu in)
Dry weight
201188.8 kg (195.8 lb)
201291.6 kg (201.9 lb)
201590.4 kg (199.3 lb)
201687.8 kg (193.6 lb)
2017201987.2 kg (192.2 lb)
2020202287.5 kg (192.9 lb)
Frame
2010Cental double-cradle-type 25CrMo4
2011Cental double-cradle-type 25CrMo4. Subframe: Aluminium.
20122017Central tube frame made of chrome molybdenum steel tubing
2018202025CrMo4 steel central-tube frame
202125CrMo4 steel central-tube
2022Central double-cradle-type 25CrMo4 steel
Front brakes
20132022Single disc. Four-piston calipers.
Front suspension
2010WP USD 48 mm fork
2011WP USD 48 mm (1.89 in)
20122015WP Suspension Up Side Down 4860 MXMA CC
20162020WP-USD, AER 48, Ø 48 mm
20212022WP XACT-USD, Ø 48 mm
Fuel system
20102012Carburettor. Keihin PWK 38S AG
20142016Carburettor
20172022Carburettor. Mikuni TMX
Rear brakes
20132022Single disc. Two-piston calipers.
Rear suspension
20122015WP Suspension 5018 BAVP DCC
20162020WP shock absorber with linkage
20212022WP XACT Monoshock with linkage
Wheelbase
201120151,480 mm (58.3 inches)
201620221,485 mm (58.5 inches)
Clutch
20102011Wet mDouble disk clutch, operated hydraulically
2012Wet mDouble disk clutch / hydraulically operated
20132015Wet multi-disc clutch / hydraulically operated
20162022Multi-plate clutch, Brembo hydraulics
Front wheel travel
2011185 mm (7.3 inches)
2013205 mm (8.1 inches)
20172022310 mm (12.2 inches)
Fuel capacity
201120157.50 L (1.98 US gal)
201620207.00 L (1.85 US gal)
202120227.50 L (1.98 US gal)
Ground clearance
2011385 mm (15.2 inches)
20122015395 mm (15.6 inches)
20162022375 mm (14.8 inches)
Ignition
20122016Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
20172022Kokusan EMS
Rake
2010201526.5°
2016202226.1°
Model information
| Category | Enduro / offroad |
|---|
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 143.6 cc (8.76 cu in) |
| Bore × stroke | 56.0 x 58.5 mm (2.2 x 2.3 inches) |
| Cooling system | Liquid |
| Fuel system | Carburettor. Keihin PWK 39 |
| Ignition | Kokusan |
| Starter | Kick |
| Lubrication | Mixture oil lubrication 1:40 |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet multi-disc clutch, operated hydraulically |
Chassis and suspension
| Frame | Cental double-cradle-type 25 CrMo4. Aluminium subframe. |
|---|---|
| Front suspension | WP USD |
| Rear suspension | WP PDS shock absorber |
| Front wheel travel | 300 mm (11.8 inches) |
| Rear wheel travel | 335 mm (13.2 inches) |
| Rake | 27.0° |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 80/100-21 |
| Rear tire | 100/90-19 |
Dimensions and weight
| Dry weight | 90.8 kg (200.2 lb) |
|---|---|
| Seat height | 985 mm (38.8 inches) |
| Wheelbase | 1,471 mm (57.9 inches) |
| Ground clearance | 390 mm (15.4 inches) |
Fuel and emissions
| Fuel capacity | 8.00 L (2.11 US gal) |
|---|
Other specifications
| Color options | Orange/black |
|---|---|
| Exhaust system | Aluminium |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from KTM models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official KTM information before relying on them. Visit the official KTM website.