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Details on spark plug type, gap, cleaning, and inspection.
Information on air filter types, function, checking, and cleaning.
Recommended oil type, capacity, and how to check the level.
Steps for draining and refilling engine oil.
Details on fuel types, alcohol content, and octane ratings.
Procedure for replacing the fuel filter.
Steps for checking and adjusting valve lash.
Table of torque values for various fasteners.
Schedule for routine maintenance tasks.
Lists common engine issues and symptoms.
Lists potential causes for engine starting and running issues.
Explains the four critical factors for engine operation.
Covers symptoms like starts-then-dies, low power, and unusual smoke.
Lists causes for low compression like valve lash and wear.
Discusses exhaust and intake blockages affecting performance.
Explains causes for black, white, and blue smoke.
Details causes for knocking, clicking, chirping, and exhaust tone issues.
Explains causes and consequences of engine overspeed.
Discusses over-governed conditions and lean air-fuel mixture.
Steps for diagnosing and performing repairs.
How to perform a prime test to isolate fuel system issues.
Detailed steps for performing a leak-down test.
Steps for performing a compression test and interpreting results.
Procedures for testing the PCV valve and system.
Steps to slide the carburetor off the studs.
Information on air filters for chore engines.
Steps for accessing and replacing the air filter.
Steps for removing and installing the carburetor insulator.
Procedure for installing the insulator and tightening nuts.
How to inspect fuel for water, dirt, and discoloration.
Methods for testing fuel for alcohol content.
Procedure to test the fuel cap vent for proper operation.
Information on cleaning or replacing the fuel filter.
How to inspect fuel lines for cracks, clogs, or brittleness.
Steps for removing and installing the fuel tank.
How the choke works and common starting issues.
How to test the dry bulb primer for proper function.
Steps for replacing the primer bulb and hose assembly.
Procedures for inspecting and cleaning carburetors.
Detailed steps for disassembling and rebuilding the carburetor.
How to remove and inspect the carburetor float.
Steps for removing and cleaning the main jet.
Inspecting the metering plug for proper function.
General
