This instruction book contains valuable information about the Wisconsin Air Cooled Heavy Duty Engine Model ABN AKN. It provides detailed instructions for the proper use and maintenance of the engine, as well as helpful tips on troubleshooting and repair. The book includes illustrations and diagrams that make it easy to understand and follow. It is a comprehensive guide for anyone who owns or works with the Wisconsin Heavy Duty Engines. Whether you are a professional mechanic or a hobbyist, this instruction book is an essential resource. Get your copy today and keep your engine running smoothly!