03.6519 Pro-X Connecting Rod Kit for KTM Duke 620 LC4 1994-1997

Connecting Rod Kit for KTM Duke 620 LC4

This Pro-X connecting rod kit (OEM cross-reference 03.6519) is a complete bottom-end rebuild component for the KTM Duke 620 LC4, delivering the strength and dimensional accuracy needed to restore your engine's rotating assembly.

Overview

This connecting rod kit for KTM Duke 620 LC4 is a complete bottom-end component engineered to replace a worn or failed rod in the 1994 to 1997 Duke 620 LC4 engine. The kit pairs a forged rod with a matched bearing and pin so the crank assembly goes back together with the tolerances the factory intended. It is built for riders and shops doing a full crank rebuild on the LC4 620 platform.

Built For Performance

• Forged steel rod construction for high-rpm durability
• Matched crankpin and bearing included for a complete rebuild
• Precision-machined big-end bore for correct oil clearance
• Balanced weight profile suited to the LC4 620 crank assembly
• Direct cross-reference to OEM part number 03.6519

Fits These Machines

• for KTM Duke 620 LC4, 1994
• for KTM Duke 620 LC4, 1995
• for KTM Duke 620 LC4, 1996
• for KTM Duke 620 LC4, 1997

On-The-Job Use

• Full bottom-end rebuilds after a rod bearing failure
• Crank assembly service during engine teardown
• Duke street bike engine refresh and restoration
• Restoring a tired LC4 620 engine to service

Specs At A Glance

Good To Know

Q: Does this kit include the bearings? A: Yes, this Pro-X connecting rod kit ships with the matched crankpin and big-end bearing required for the rebuild.

Q: Is a press required to install it? A: Yes, crank assembly and truing on the LC4 620 require a hydraulic press and crank truing stand, so this job is best handled by a machine shop.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.