This document provides comprehensive parts information for the 125 DUKE and 200 DUKE models, specifically covering engine components for the 1998 model year. An Austrian manufacturer renowned for its performance-oriented motorcycles, engineered the Duke series for agile handling and accessible power. This manual focuses on the internal and external engine parts, including the transmission and ignition system components, offering detailed exploded diagrams and part number listings crucial for maintenance and repair.

The purpose of this manual is to serve as an indispensable resource for owners, mechanics, and technicians engaged in the upkeep and restoration of the 125 DUKE and 200 DUKE engines. It facilitates accurate identification and ordering of original equipment manufacturer (OEM) replacement parts through its illustrated exploded views and comprehensive part number catalog. By detailing engine internals, externals, carburetor, ignition, and lubrication systems, this manual ensures precision during disassembly and assembly, thereby supporting efficient and correct engine repair.