This manual covers the Cuyuna 2SI aircraft engine, specifically the 430 UL2 model. Designed for aviation applications, this engine is recognized for its robust construction and reliable performance. The manual details the various components and systems that ensure the operational integrity of the 2SI engine, providing essential information for its upkeep and service.

The purpose of this document is to serve as a comprehensive parts manual, offering detailed exploded views and part numbers across its 33 pages. It is intended to assist owners, mechanics, and technicians in identifying, ordering, and replacing components for the Cuyuna 2SI 430 UL2 aircraft engine. By providing clear visual references and precise identification, this manual facilitates efficient maintenance and repair, ensuring the continued airworthiness of the engine.