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| Preface | |
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| Tools and Tips to Get Started | |
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| Safe Work Area | |
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| Personal Protective Equipment | |
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| Hand Tool Safety | |
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| Engine Operation Safety | |
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| Basic Hand Tools | |
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| Threaded Fasteners | |
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| Thread Size and Designation | |
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| Fastener Grade Markings | |
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| Thread Repair | |
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| Nonthreaded Fasteners | |
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| Repairing Damaged Internal Threads with a Tap | |
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| Engine Identification | |
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| Service Information | |
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| Service Manuals | |
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| The Four-Stroke Engine | |
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| Basic Engine Principles | |
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| Four-Stroke Cycle | |
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| Multiple Cylinder Four-Stroke Engines | |
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| Crankcase and Main Bearings | |
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| Cylinder and Block | |
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| Cylinder Head and Cylinder Head Gasket | |
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| Crankshaft | |
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| Piston | |
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| Piston Rings | |
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| Connecting Rod | |
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| Connecting Rod Bearing | |
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| Piston Pin | |
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| Valve Systems | |
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| Valves | |
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| Valve Spring and Retainer | |
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| Valve Rotator | |
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| Valve Seat | |
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| Valve Guide | |
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| Camshaft | |
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| Valve Lifter (Tappet), Push Rod, and Rocker Arm | |
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| Valve Clearance | |
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| The Two-Stroke Engine | |
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| Basic Parts and Operation | |
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| Port Control | |
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| Engine Parts | |
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| How Engines Are Sized and Selected | |
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| Internal Engine Size Specifications | |
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| Horsepower and Torque | |
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| Engine Selection | |
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| When Things Go Wrong: How To Troubleshoot | |
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| Before You Troubleshoot | |
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| Troubleshooting Starting Problems | |
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| Troubleshooting an Engine That Will Not Start | |
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| Troubleshooting Engine Performance Problems | |
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| Measuring Engine Compression | |
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| Troubleshooting Vibration Problems | |
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| Troubleshooting Engine Noises | |
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| Troubleshooting Engine Oil Consumption | |
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| Troubleshooting Overheating Problems | |
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| Removing Carbon from a Cylinder Head (Decarbonizing) | |
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| Preventing Things from Going Wrong: How to Do Preventive Maintenance | |
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| Reading Maintenance Schedules | |
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| Choosing the Correct Engine Oil | |
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| Checking and Changing Engine Oil | |
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| Checking Engine Oil on Dipstick Equipped Engines | |
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| Cooling System Maintenance | |
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| Crankcase Breather Maintenance | |
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| Air Cleaner Maintenance | |
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| Fuel Filter Maintenance | |
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| Adjusting Valve Clearance | |
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| Preparing an Engine for Off-Season Storage | |
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| Storage Battery Maintenance | |
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| Adjusting Overhead Valve Clearance | |
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| Preparing an Engine for Off-Season Storage | |
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| How the Ignition System Works | |
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| Electricity | |
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| Magnetism | |
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| Induction | |
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| Armature and Coil | |
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| Magnet and Coil Operation | |
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| Breaker Point-Triggered Magneto | |
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| Electronically-Triggered Magneto | |
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| Transistor-Triggered Magneto | |
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| Capacitor Discharge Ignition | |
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| Retrofit Solid State Ignitions | |
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| Spark Plug Wires | |
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| Spark Plug | |
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| Kill (Stop) Switch | |
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| Safety Interlocks | |
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| Giving Your Engine an Ignition Tune Up | |
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| Troubleshooting the Ignition System | |
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| Spark Plug Service | |
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| Removing and Replacing a Spark Plug | |
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| Flywheel, Magnets, Key, and Keyway Service | |
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| Breaker Point and Condenser Service | |
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| Adjusting Timing | |
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| Flywheel Installation and Armature Gap Setting | |
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| Using a Paper Gauge to Set the Magneto Armature Gap | |
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| How the Fuel System Works | |
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| Gasoline and Combustion | |
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| Fuel Tanks, Lines, and Fittings | |
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| Fuel Filters | |
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| Fuel Pumps | |
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| The Carburetor | |
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| Vacuum Carburetor | |
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| Float Carburetor | |
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| Diaphragm Carburetor | |
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| Suction Feed Diaphragm Carburetor | |
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| Automatic Choke | |
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| Air Cleaner | |
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| Giving Your Engine a Fuel System Tune Up | |
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| Troubleshooting the Fuel System | |
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| Fuel Tank Service | |
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| Fuel Pump Troubleshooting and Service | |
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| Carburetor Troubleshooting and Service | |
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| Vacuum Carburetor Overhaul | |
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| Diaphragm Suction Feed Carburetor Overhaul | |
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| Float Carburetor Overhaul | |
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| Diaphragm Carburetor Overhaul | |
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| Carburetor Adjustment | |
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| Typical Procedure for Adjusting a Carburetor | |
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| Getting Control of the Governor and Throttle | |
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| Manual Throttle Control | |
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| Governor Throttle Control | |
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| Air Vane Governor | |
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| Centrifugal Governor | |
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| Flywheel Brake | |
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| Governor Troubleshooting and Adjustment | |
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| How the Engine's Lubrication, Cooling, and Exhaust Systems Work | |
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| Reducing Friction | |
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| Four-Stroke Lubricating Systems | |
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| Two-Stroke Lubricating Systems | |
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| Low Oil Level Alert System | |
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| Crankcase Breather | |
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| Cooling Systems | |
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| Exhaust Systems | |
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| Repairing Your Engine's Starting Mechanism | |
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| Ball Rewind Starter | |
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| Dog Rewind Starter | |
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| Ratchet Recoil Starter | |
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| Gear Starter | |
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| Windup Spring Starter | |
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| Compression Release | |
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| Rewind Starter Repair | |
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| Manual Starter Troubleshooting | |
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| Replacing a Starter Spring and Rope | |
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| Determining the Cause of Internal Parts Failure | |
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| Engine Disassembly | |
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| Internal Components Failure Analysis | |
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| Disassembling an L-head Valve Assembly with a Valve Spring Compressor | |
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| Engine Part Cleaning | |
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| Repairing the Engine's Valve System | |
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| Inspecting the Valve, Valve Seat, and Guide | |
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| Reading an Outside Micrometer | |
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| Using a Small-Hole Gauge | |
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| Measuring Valve Guides | |
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| Servicing Valve Guides | |
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| Measuring a Valve and Valve Guide for Wear with a Micrometer and Small-Hole Gauge | |
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| Servicing the Valve and Valve Seat | |
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| Inspecting the Cylinder Head | |
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| Checking Valve Springs | |
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| Inspecting the Camshaft and Valve Lifters | |
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| Setting Nonadjustable Valve Clearance | |
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| Testing the Valve Assembly | |
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| Repairing the Crankshaft Assembly | |
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| Inspecting the Crankshaft | |
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| Inspecting the Connecting Rod | |
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| Measuring a Crankshaft for Wear | |
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| Inspecting the Connecting Rod Bearing | |
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| Measuring a Connecting Rod for Wear | |
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| Inspecting the Plain Main Bearing | |
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| Repairing Caged Needle, Tapered Roller, and Ball Bearings | |
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| Repairing the Piston and Cylinder Assembly | |
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| Inspecting the Four-Stroke Cylinder | |
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| Using a Telescoping Gauge to Measure a Four-Stroke Cylinder for Wear | |
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| Inspecting the Two-Stroke Cylinder | |
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| Ridge Removing | |
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| Glaze Breaking | |
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| Inspecting the Piston | |
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| Using a Glaze Breaker to Remove Cylinder Glaze | |
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| Measuring Pistons to Determine Wear and Piston-to-Cylinder Clearance | |
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| Checking Piston Clearance | |
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| Reassembling the Engine | |
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| Ordering New Parts | |
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| Clean Assembly Area | |
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| Installing Valves | |
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| Installing Piston on Connecting Rod | |
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| Installing Four-Stroke Piston Rings | |
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| Installing Two-Stroke Piston Rings | |
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| Installing Four-Stroke Crankshaft and Piston Assemblies | |
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| Installing Four-Stroke Connecting Rod Cap | |
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| Measuring Connecting Rod Oil Clearance with Plastigage | |
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| Installing Two-Stroke Piston, Connecting Rod, and Crankshaft | |
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| Installing Camshaft and Valve Lifters | |
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| Installing Crankcase Cover | |
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| Installing Cylinder Head | |
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| Final Assembly and Startup | |
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| Repairing Your Lawn Mower | |
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| Mower Safety | |
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| How the Rotary Mower Works | |
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| Troubleshooting a Rotary Mower | |
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| Rotary Mower Repair | |
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| How the Reel Mower Works | |
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| Procedure for Removing, Sharpening, Balancing, and Installing a Rotary Lawn Mower Blade | |
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| Reel Mower Repair | |
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| Self-Propelled Mowers | |
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| Inspecting and Replacing a Belt | |
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| Replacing a Self-Propelled Mower Drive Belt | |
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| Repairing Your Lawn Tractor | |
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| Lawn Tractor Safety | |
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| How the Tractor Works | |
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| Troubleshooting a Tractor | |
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| Tractor Repair | |
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| Adjusting a Lawn Tractor Brake | |
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| Repairing Your Edger | |
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| Edger Safety | |
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| How the Edger Works | |
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| Edger Troubleshooting | |
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| Replacing the Blade | |
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| Removing and Replacing an Edger Blade | |
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| Installing an Edger Belt | |
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| Repairing Your Tiller | |
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| Tiller Safety | |
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| How the Tiller Works | |
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| Tiller Troubleshooting | |
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| Replacing Tines | |
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| Removing and Replacing Tiller Tines | |
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| Repairing Your Snow Thrower | |
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| Snow Thrower Safety | |
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| How the Snow Thrower Works | |
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| Two-Stage and Dual Auger Snow Throwers | |
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| 110-Volt Electric Starting Systems | |
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| Snow Thrower Troubleshooting | |
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| Skid Shoe Adjustment | |
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| Snow Thrower Lubrication | |
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| Adjusting Snow Thrower Skid Shoes | |
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| Repairing Your Chain Saw | |
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| Chain Saw Safety | |
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| How the Chain Saw Works | |
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| Saw Chain and Guide Bar | |
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| Chain Brake | |
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| Chain Saw Troubleshooting | |
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| Replacing a Saw Chain | |
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| Sharpening a Saw Chain | |
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| Removing, Replacing, and Tensioning a Chain Saw Chain | |
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| Oiler Maintenance and Adjustment | |
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| Replacing a Centrifugal Clutch | |
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| Repairing Your String Trimmer | |
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| String Trimmer Safety | |
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| How the String Trimmer Works | |
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| Troubleshooting a String Trimmer | |
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| Removing and Replacing a String Trimmer Cutting Line | |
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| Replacing Cutting Line | |
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| Checking Angle Transmission Lubricant | |
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| Repairing Your Leaf Blower | |
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| Leaf Blower Safety | |
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| How the Leaf Blower Works | |
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| Leaf Blower Troubleshooting | |
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| Replacing the Impeller | |
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| Repairing Your Portable Pump | |
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| Portable Pump Safety | |
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| How the Portable Pump Works | |
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| Portable Pump Troubleshooting | |
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| Pump Priming | |
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| Repairing Your Portable Generator | |
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| Portable Generator Safety | |
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| How the Portable Generator Works | |
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| Throttle Control | |
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| Determining Required Generator Output | |
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| Portable Generator Troubleshooting | |
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| Brush Inspection and Replacement | |
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| Testing Receptacles and Circuit Breaker | |
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| Glossary | |
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| Index | |
