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Defines maximum engine output when throttle is fully open after break-in.
Specifies continuous output for engine life and fuel efficiency.
Describes torque at output shaft during maximum output.
Presents a graph of engine horsepower and torque versus revolution.
Highlights the engine's compact size, light weight, and high power.
Emphasizes rugged design and anti-vibration cover for long-lasting durability.
Focuses on simple structure and easy maintenance due to crankcase governor system.
Explains EC12 engine's interchangeability with EC10 engines.
Details benefits of oil injection for automatic fuel/oil mixing and engine performance.
Describes aluminum cylinder, crankcase construction, and governor chamber.
Explains the semi-sphere combustion chamber for optimal combustion.
Details forged steel crankshaft, balancing, and needle bearings for durability.
Describes high strength aluminum piston and two piston rings.
Details the rapid response mechanical flyweight type governor system.
Explains the forced air cooling system utilizing a flywheel fan.
Describes the horizontal draft carburetor with float controlled fuel system.
Describes the rugged semi-wet dual stage air cleaner for high efficiency.
Details the solid state, high energy T.C.I. ignition system for precise timing.
Explains the oil pump system for automatic lubrication oil feeding.
Provides a detailed diagram illustrating the engine's internal components.
Provides guidelines and tips for engine disassembly.
Lists and describes special tools required for disassembly procedures.
Details step-by-step procedures for disassembling engine components.
Provides instructions for cleaning engine parts prior to reassembly.
Outlines checks and corrections needed before reassembly.
Lists important precautions to follow during the reassembly process.
Outlines the step-by-step procedures for reassembling the engine.
Details the procedure for breaking in the engine after overhaul.
Explains the construction and operating principle of the centrifugal governor system.
Provides step-by-step instructions for adjusting the governor system.
Details the procedure for adjusting the engine's maximum high speed.
Explains the operation of the T.C.I. ignition system.
Provides procedures for checking the ignition system for malfunctions.
Details the operation and construction of the float carburetor.
Covers disassembly and reassembly procedures for the float carburetor.
Explains the operation and construction of the diaphragm carburetor.
Details the disassembly steps for the diaphragm carburetor.
Covers reassembly and adjustment procedures for the diaphragm carburetor.
Describes the separate oil injection and fuel system.
Explains the operation and function of the oil pump.
Provides steps for disassembling the recoil starter.
Details the procedures for reassembling the recoil starter.
Lists common causes and remedies for engine starting problems.
Addresses issues related to faulty slow-speed operation.
Covers causes and solutions for engine overheating and knocking.
Lists potential causes and corrections for engine power loss.
Addresses excessive fuel consumption and related issues.
Provides general instructions for mounting the engine onto a machine.
Explains the importance of proper ventilation for engine cooling and operation.
Covers safe discharge of exhaust gas and pipe length considerations.
Details considerations for belt drive and flexible coupling power transmission.
Provides guidelines for setting up the fuel system and hose connections.
Presents a table of standard sizes, tolerances, and correction limits for engine parts.
Lists tightening torque specifications for various engine components.
Outlines daily checks and maintenance tasks for the engine.
Details maintenance tasks required every 50 hours or 10 days.
Specifies maintenance tasks for every 100 to 200 hours (monthly).
Lists maintenance tasks for every 500 to 600 hours (semiannual).
Details yearly checks and maintenance tasks.
Provides instructions for preparing the engine for long-term storage.
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General