These are the known mechanical and performance specifications for your 2012 KTM 50 SX.
ModelKTM 50 SX
Displacement49.00 ccm (2.99 cubic inches)
DetailsSingle cylinder, two-stroke
Bore/Stroke39.5 x 40.0 mm (1.6 x 1.6 inches)
FuelingCarburettor. Dell´Orto PHBG 19 BS
IgnitionSeletra 2p D36
LubricationMixture oil lubrication 1:60
Clutch3-lining automatic clutch on the main shaft / centrifugal force
Driveline11:40. Primary drive: 61:33. Rigid 1-stage reduction gear.
Fuel Economy & Polution
Fuel Capacity2.30 litres (0.61 gallons)
Frame TypeCentral tube frame of chrome molybdenum steel tubing, powder-coated
Front SuspensionWP Suspension USD 35
Front Travel205 mm (8.1 inches)
Rear SuspensionWP Suspension 3614 BAEM
Rear Travel185 mm (7.3 inches)
Seat Height684 mm (26.9 inches) If adjustable, lowest setting.
Alt. Seat Height
Ground Clearance252 mm (9.9 inches)
Wheelbase1,032 mm (40.6 inches)
Dry Weight41.5 kg (91.5 pounds)
Wheels & Brakes
Front BrakesSingle disc. Four-pot brake caliper
Front Brake Diameter160 mm (6.3 inches)
Rear BrakesSingle disc. Two-pot brake caliper
Rear Brake Diameter140 mm (5.5 inches)
Wheels1.5 x 12in., 1.6 x 10in. Alu
It appears you're interested in specifications for the KTM 50 SX. This Minibike, cross model is powered by a Reed intake Single cylinder, two-stroke engine with 49.00 ccm (2.99 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. Dell´Orto PHBG 19 BS allowing this machine to produce its horsepower and torque. According to our records engine heat of the KTM 50 SX is moderated by Liquid. You'll need to get familiar with the Automatic transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 60/100-12 and the rear is 2.75-10 . The entire package is supported by the frame, Central tube frame of chrome molybdenum steel tubing, powder-coated. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Four-pot brake caliper front brakes and Single disc. Two-pot brake caliper rear brakes. The KTM 50 SX was launched in 2012, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.