CONTENTS
Chapter 1
General Information
Engine Identification
Engine Breakdown
Parts List
Engine Care
Fuel, Oils, Storage
Tune-Up Procedure
4-Cycle Engine Theory
Chapter 2
Air Cleaners
Carburetion
Identification
Parts Breakdown
Float Bowl Service
Float Bowl Reassembly
Float Bowl Drain
Rebuilding the Carburetor DIY
Welch Plug Removal
Cleaning Welch Plug and Installation
Throttle Shaft & Shutter
Primer Bulb
Chapter 3
Governors and Linkage
Chapter 4
Starters
Rewind Starter
12 Volt Starters
Chapter 5
Flywheels and Servicing
Removal and Assembly
Brake System Operation
Wiring
Battery
Replace Brake Pad
Brake Mechanism Installation
Control Switch & Replacement
Chapter 6
Alternator
Troubleshooting Electric Start Engines
Chapter 7
Ignition System
Ignition System Operation
Spark Plug Service
Timing Adjustment
Chapter 8
Piston, Rings, and Connecting Rod
Piston
Rings
Chapter 9
Cylinder and Cylinder Head Service
Reboring a Cylinder Head
Chapter 10
Crankshaft, Camshaft, and Lubrication
Crankshaft Timing Mark
Camshaft Timing Mark
Compression Release
Lubrication System Operation
Crankcase Breather Operation
Chapter 11
Valves, Lifters, Springs, and Seats
Valve Removal
Valve Seat
Valve Service
Oversize Guides
Chapter 12
Removing the Mounting Flange
Oil Seal Service
Mounting Flange Installation
Chapter 13
Troubleshooting
Chapter 14
Engine Specifications
Torque Specifications
Chapter 15
Training Aids and Tools
Chapter 16
Sears Craftsman Cross Reference
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