2000 KTM 50 SX PRO SR

Engine Type:

Single Cylinder 2-Stroke, Four Petal Reed Induction, Air Cooled

Cylinder:

Aluminum/Plated w/ Cooling Fins

Exhaust:

Expansion Chamber With Aluminum MX Muffler

Bore/Stroke:

39.0mm X 41.7mm

Displacement:

49.8ccm

Transmission:

Single Speed Automatic

Clutch:

Dominator®, Adjustable, Single Disk Type, Centrifugal Clutch

Gear Ratios:

Variable/Automatic

Primary Drive:

Helical Cut Spur Gear

Final Drive:

10 / 45, 415 Chain

Trans Oil Viscosity:

Dominator® Automatic Clutch Oil, Capacity 250cc

Spark Plug:

Bosch W4AC

Fuel/ Premix Ratio:

Premium fuel (92+ U.S. Octane), 2-Stroke Premix Oil @ 32:1

Fuel Capacity:

2.84 liter - .75 U.S. gallons

Carburetor:

Mikuni VM 20-364

Jetting:

Main 140, Needle Jet N-6, Pilot 30, Needle 4J13-3, NeedleTurns

Position from top #3, Slide 2, Mixture Screw 1.5 Turns

Ignition:

PVL Analog

Ignition Timing:

1.9 BTDC, Engine rotates toward rear wheel

Frame Type:

Single Downtube, Split-Cradle w/Sidestand

Fork:

Conventional Hydraulic Fork 32mm

Fork Travel:

165mm/ 6.5 inches

Fork Oil Viscosity:

SAE 7.5 wt.

Rake Angle:

27.0 degrees

Front Brake:

90mm/ 3.5” Internal Expanding, Single/Cam Drum

Front Tire:

Vee Rubber® 2.50 x 10”

Shock Absorber:

Curnutt Coilover w/Adjustable Spring Preload

Rear Wheel Travel:

170mm/ 6.7 inches

Rear Brake:

Foot Operated 90mm/ 3.5” Internal Expanding, Single/Cam Drum

Rear Tire:

Vee Rubber® 2.50 x 10”

Seat Height:

650-675mm/ 25.5 - 26.5 inches, Adjustable

Max Rider Weight:

73 lbs

Wheelbase:

1030mm/ 40.5 inches

Ground Clearance:

255mm/ 10.0 inches

Weight:

40.5 kg./ 89.3 lbs. (dry)