Book excerpt: This book features operation, troubleshooting, and service information that can be used to maintain and repair commonly used outdoor equipment, including: lawnmowers and garden tractors, snow throwers, leaf blowers and string trimmers, chain saws, and more! Comprehensive in scope, Outdoor Power Equipment begins by acquainting users with shop safety, tools, and basic service information. This book covers the specifics of the ignition system, fuel system, governor and throttle control system, lubrication system, cooling and exhaust system, manual starting system, and the electrical starting and charging system. Outdoor Power Equipment also features step-by-step photo sequences to illustrate service techniques and provides an opportunity to test your knowledge by conducting a failure analysis and successfully rebuilding a failed engine.