II
Chapter 4: The Fuel System and Governor
Inspecting the Fuel ...........................................................................................38
Test Fuel for Alcohol ........................................................................................38
The Fuel Filter ..................................................................................................39
Evaporative (EVAP) Emissions System........................................................... 39
Charcoal Canister Fuel Caps........................................................................... 39
Fuel Tank Vent .................................................................................................40
The Fuel Tank ..................................................................................................41
Autochoke ........................................................................................................42
Temperature Compensator ..............................................................................43
Primer ...............................................................................................................44
Carburetors ......................................................................................................45
Inspecting the Carburetor................................................................................. 45
Disassembly and Rebuilding the Carburetor ....................................................46
Governor ..........................................................................................................51
Governor Shaft .................................................................................................52
Governor Cup and the Governor Gear .............................................................54
Chapter 5: Lubrication
Oil Type and Quantity ...................................................................................... 55
Oil Dipstick .......................................................................................................56
Dipstick Tube Removal ....................................................................................57
Lubrication System ...........................................................................................58
PCV ..................................................................................................................59
Chapter 6: Starter and Charging Systems
Recoil Starter Removal ....................................................................................61
Starter Rope .....................................................................................................62
Starter Pulley and Recoil Spring ......................................................................64
Chapter 7: Ignition System 67
Troubleshooting the Ignition System ................................................................67
Troubleshooting the Stop Switch ..................................................................... 68
Troubleshooting the Module .............................................................................69
About the Spark Plug .......................................................................................72
Cleaning the Spark Plug .................................................................................. 72
Inspection of the Spark Plug ............................................................................72
Spark Plug Removal ........................................................................................72
Ignition Module................................................................................................. 73
Engine Brake and Stop Switch (if equipped) ....................................................74
Flywheel ...........................................................................................................75