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General| Cooling System | Air-cooled |
|---|---|
| Starting System | Electric |
| Horsepower | 27 hp |
| Fuel System | Carbureted |
| Ignition System | Electronic |
| Alternator | 12V |
| Engine Type | 4-Cycle, V-Twin, Gasoline |
General safety warnings and cautions for operation and maintenance.
Instructions for disabling the engine before maintenance.
Schedule of maintenance tasks based on operating hours.
Recommendations for engine oil types and viscosity.
Requirements for fuel usage and quality.
Torque values for various engine components.
General guide for troubleshooting engine issues.
Common causes for an engine that cranks but won't start.
Causes for an engine that starts but stops running.
Factors causing an engine to start hard.
Reasons why an engine will not crank.
Causes of an engine running rough or missing.
Issues preventing the engine from idling properly.
Causes of engine overheating.
Potential causes for engine knocking.
Reasons for engine power loss.
Causes of excessive oil consumption.
Common causes of oil leaks from seals and gaskets.
Guidelines for inspecting the engine externally before disassembly.
Procedure for testing crankcase vacuum.
Procedure for performing a compression test on the engine.
Procedure for conducting a cylinder leakdown test.
Information on the Engine Control Unit (ECU).
Function and operation of the crankshaft position sensor.
Details on the Throttle Position Sensor (TPS).
Function of the engine oil temperature sensor.
Information on the TMAP sensor.
Ignition Coils and Fuel Pump Module (FPM).
Diagnostic codes for Tach Output and Troubleshooting Flow Chart.
Components and operation of the electronic governor.
Diagnostics for GCU and harness.
GCU blink codes for stored codes.
GCU blink codes during engine running.
Flowchart for troubleshooting the electronic governor.
Final steps in the electronic governor troubleshooting flowchart.
Overview of the mechanical governor system.
Steps for changing engine oil and filter.
Information on spark plugs, inspection, and service.
Troubleshooting the battery charging system.
Common starting problems and their causes.
Procedures for testing the starter solenoid.
Steps to remove connecting rods, pistons, and rings.
Information on piston and ring inspection and service.
Procedure for installing new piston rings.
Procedure for measuring piston-to-bore clearance.
Reassembly of connecting rods, pistons, and rings.
Procedure for installing valve tappets and camshaft.
Steps for assembling the cylinder heads.
Procedure for installing cylinder heads.
Procedure for adjusting valve clearance.
Steps for installing the flywheel and fan assembly.
Installing governor components for mechanical governor.
Steps for installing the intake manifold and throttle body.
Steps for installing oil filter and adding oil.
Recommendations for testing the engine.
