KTM 640 LC4 Adventurer R Parts & Accessories

Everything we stock that fits the KTM 640 LC4 Adventurer R (1999–2007): 12 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.

Drivetrain for the KTM 640 LC4 Adventurer R

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 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

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 Adventurer R, tell us. Accuracy is the whole point.