2000 KTM 520 SX RACING 4 STROKE

Engine Type:

Single Cyl. 4-Stroke, SOHC/4 Valve Head, Liquid Cooled, Automatic

Decompression System

Cylinder:

Mahle Nikasil® Coated

Exhaust:

Twin Head Pipe, Two Into One Collector

Silencer:

Aluminum Muffler

Bore/Stroke:

95.0mm X 72.0mm

Displacement:

510ccm

Transmission:

4 Speed, SX Close Ratio

Gear Ratios:

1st - 14:34, 2nd - 17:31, 3rd - 19:28, 4th – 22:26

Primary Drive:

30:81

Final Drive:

14 / 50, 520 Chain

Trans Oil Viscosity:

SAE 10W-40 wt.; Capacity 1200cc

Spark Plug:

NGK CR8 EK

Fuel Type:

Premium Fuel (92+Octane U.S. Octane)

Fuel Capacity:

7.5L/ 2.0 U.S. gallons

Carburetor:

Keihin MX-FCR 39

Jetting:

Main: 175 Idle: 48 Start: 85 Needle: OBDTM Slide: #15

Needle Position: #2 Mixture Screw: 1½ Turns Out

Ignition:

Kokusan 4K3 Electronic, w/ Lighting Coil 12v110w

Ignition Timing:

5° B.T.D.C. @ 1000 R.P.M.

Frame Type:

Mainframe: Chrome-Moly

Subframe:

Aluminum

Fork:

WP 43 USD, MA

Fork Travel:

295mm/ 11.6 inches

Fork Oil Viscosity:

SAE 5 wt.

Rake Angle:

ca 63.5°

Front Brake:

260 mm/ 10.2” Disc, Brembo Double Piston Caliper, Sintered Pads

Front Tire:

Bridgestone M77 80/100 X 21”

Shock Absorber:

WP PDS, External Adjust Compression/ Rebound

Rear Wheel Travel:

320mm/ 12.6 inches

Rear Brake:

220mm/ 8.65” Disc, Brembo Single Piston Caliper, Organic Pads

Rear Tire:

Bridgestone M78 110/90 X 19”

Seat Height:

925mm/ 36.4 inches

Wheelbase:

1481mm/ 57.3 inches

Ground Clearance:

380mm/ 15.0 inches

Weight:

107kg/ 235.8 lbs. (dry)