Dempsey, Paul

Presents instructions for diagnosing and fixing problems with diesel engines used in farm and lawn equipment, boats, air compressors, and generators, reviewing the basics of diesels, and discussing planned maintenance, fuel systems, cylinder heads and valves, engine mechanics, electrical fundamentals, and other topics.

Explains how a two-stroke engine works and offers advice on keeping them maintained and repaired.

Presents information on diesel technology, including new engine technology, electronic engine management, biodiesel fuels, and emission controls. Also contains information on diagnostics, fuel systems, mechanical and electronic governors, cylinder heads and valves, engine mechanics, turbochargers, cooling systems, and exhaust aftertreatment. Includes 350 drawings, schematics, and photographs.

Provides diagrammed instructions for troubleshooting and repairing the small gas engines used in such machines as motorbikes, lawn mowers, chain saws, and generators, covering ignition, fuel, and electrical systems; rewind starters; and such parts as valves, piston rings, cylinder heads, and seals.

A practical money-saving guide to small gas engine maintenance and repair, with step-by-step instructions for working on most small engines including chain saws, pumps, generators, and garden equipment.