KTM 640 LC4 Supermoto Parts & Accessories

Everything we stock that fits the KTM 640 LC4 Supermoto (1999–2006): 38 parts, each verified against manufacturer fitment data, grouped by category. Prices and stock are live. Not sure on year or trim? Use the bike finder to confirm your exact match.

Brakes for the KTM 640 LC4 Supermoto

Master Cylinder Rebuild Kit — Gas-Gas ES 700Master Cylinder Rebuild Kit — Gas-Gas ES 700 $28.07 Master Cylinder Rebuild Kit — Husaberg 450FCMaster Cylinder Rebuild Kit — Husaberg 450FC $28.31 Master Cylinder Rebuild Kit — KTM Adventure 640Master Cylinder Rebuild Kit — KTM Adventure 640 $28.31 Brake Caliper Rebuild Kit — Husaberg 450FCBrake Caliper Rebuild Kit — Husaberg 450FC $30.99 Brake Caliper Bolt Kit — Can-Am Outlander 1000Brake Caliper Bolt Kit — Can-Am Outlander 1000 $11.56 Brake Caliper Bolt Kit — Ducati DESMO 450 MXBrake Caliper Bolt Kit — Ducati DESMO 450 MX $15.49 Brake Caliper Piston Kit — Husaberg 450FCBrake Caliper Piston Kit — Husaberg 450FC $43.94 Master Cylinder Rebuild Kit — Gas-Gas ES 700Master Cylinder Rebuild Kit — Gas-Gas ES 700 $45.05 Brake Caliper Rebuild Kit — Husaberg 450FCBrake Caliper Rebuild Kit — Husaberg 450FC $30.99

Drivetrain for the KTM 640 LC4 Supermoto

JT Sprockets 520 Steel Front Sprocket, 16T (JTF1902.16RB)JT Sprockets 520 Steel Front Sprocket, 16T (JTF1902.16RB) $18.99 JT Sprockets 520 Steel Rear Sprocket, 40T (JTR897.40)JT Sprockets 520 Steel Rear Sprocket, 40T (JTR897.40) $36.99 JT Sprockets 520 Steel Rear Sprocket, 41T (JTR897.41)JT Sprockets 520 Steel Rear Sprocket, 41T (JTR897.41) $36.99 JT Sprockets 520 Steel Rear Sprocket, 46T (JTR897.46)JT Sprockets 520 Steel Rear Sprocket, 46T (JTR897.46) $36.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 51T (JTR897.51SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 51T (JTR897.51SC) $36.99 Wheel Bearing Kit — KTM COMP Limited 620 (1997)Wheel Bearing Kit — KTM COMP Limited 620 (1997) $22.59 Wheel Bearing Kit — KTM Adventure 640Wheel Bearing Kit — KTM Adventure 640 $36.41 Wheel Bearing Kit — Husaberg 450FS-C (2004) + 31Wheel Bearing Kit — Husaberg 450FS-C (2004) + 31 $91.09 Wheel Bearing Kit — Beta RC 4T 450 (2025) + 356Wheel Bearing Kit — Beta RC 4T 450 (2025) + 356 $34.08 JT Sprockets 520 Steel Front Sprocket, 14T (JTF1902.14)JT Sprockets 520 Steel Front Sprocket, 14T (JTF1902.14) $16.99 JT Sprockets 520 Steel Front Sprocket, 15T (JTF1902.15)JT Sprockets 520 Steel Front Sprocket, 15T (JTF1902.15) $17.99 JT Sprockets 520 Steel Front Sprocket, 16T (JTF1902.16)JT Sprockets 520 Steel Front Sprocket, 16T (JTF1902.16) $18.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 45T (JTR897.45SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 45T (JTR897.45SC) $36.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 48T (JTR897.48SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 48T (JTR897.48SC) $36.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 50T (JTR897.50SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 50T (JTR897.50SC) $36.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 52T (JTR897.52SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 52T (JTR897.52SC) $36.99

Suspension for the KTM 640 LC4 Supermoto

Fork Bushing Kit — KTM EXC 125 (2000-2001) + 29Fork Bushing Kit — KTM EXC 125 (2000-2001) + 29 $63.54 Fork Oil Seal Kit — BMW F800GS (2013-2017) + 101Fork Oil Seal Kit — BMW F800GS (2013-2017) + 101 $19.12 Fork Oil Seal Kit — KTM Adventure 640Fork Oil Seal Kit — KTM Adventure 640 $19.12 Fork Dust Seal Kit — KTM Adventure 640Fork Dust Seal Kit — KTM Adventure 640 $20.62 Fork Dust Seal Kit — BMW F800GS (2013-2017) +Fork Dust Seal Kit — BMW F800GS (2013-2017) + $21.01 Swingarm Bearing Kit — Gas-Gas MC85 1714Swingarm Bearing Kit — Gas-Gas MC85 1714 $102.33 Fork Oil & Dust Seal Kit — Gas-Gas EC125 (2003)Fork Oil & Dust Seal Kit — Gas-Gas EC125 (2003) $39.78 Fork Oil & Dust Seal Kit — KTM Adventure 640Fork Oil & Dust Seal Kit — KTM Adventure 640 $39.78

Controls for the KTM 640 LC4 Supermoto

Clutch Master Cylinder Rebuild Kit — KTMClutch Master Cylinder Rebuild Kit — KTM $49.80 Clutch Slave Cylinder Rebuild Kit — KTMClutch Slave Cylinder Rebuild Kit — KTM $44.89 Steering Stem Bearing Kit — Beta RR 2T 125Steering Stem Bearing Kit — Beta RR 2T 125 $44.60

Protection for the KTM 640 LC4 Supermoto

Chain Roller — 34-24mm — 5 Makes — (PN 79-5008)Chain Roller — 34-24mm — 5 Makes — (PN 79-5008) $21.33

Maintenance for the KTM 640 LC4 Supermoto

Twin Air Standard Air Filter — KTM 350 LC-4 (1993-1999), KTM 400 LC — 4Twin Air Standard Air Filter — KTM 350 LC-4 (1993-1999), KTM 400 LC — 4 $38.99

Fitment is anchored on the manufacturer's own application data and verified before it goes live. If you spot anything that looks off for your KTM 640 LC4 Supermoto, tell us. Accuracy is the whole point.