II
Chapter 4: The Fuel System and Governor
Fuel Lines ........................................................................................................37
Inspect the fuel lines ........................................................................................37
Inspecting the fuel ............................................................................................37
Test fuel for alcohol .........................................................................................38
The fuel filter ....................................................................................................38
Fuel tank vent ..................................................................................................39
The fuel tank.................................................................................................... 40
Evaporative (EVAP) emissions system ...........................................................43
Troubleshooting the EVAP system ..................................................................46
Roll over valve vent .........................................................................................47
Charcoal canister .............................................................................................49
Manual Choke ..................................................................................................50
Autochoke ........................................................................................................50
1P61/1P65 Autochoke..................................................................................... 51
1P70 Autochoke ..............................................................................................52
Temperature compensating auto choke .......................................................... 53
Primer ..............................................................................................................54
Carburetors ......................................................................................................55
Inspecting the carburetor................................................................................. 55
Disassembly and rebuilding the carburetor .....................................................56
Governor.......................................................................................................... 61
Governor shaft .................................................................................................62
Governor cup and the governor gear ...............................................................64
Chapter 5: Lubrication
Oil type and quantity ........................................................................................65
Oil dipstick .......................................................................................................65
Dip stick tube removal .....................................................................................66
Lubrication system ...........................................................................................67
PCV .................................................................................................................68
Chapter 6: Starter and Charging Systems
Recoil Starter Removal ....................................................................................73
Starter Cup ......................................................................................................73
Starter Rope ....................................................................................................74
Starter pulley and recoil spring ........................................................................77
Electric starter relay .........................................................................................79
Testing the starter relay ...................................................................................80
Electric starter ..................................................................................................82
Schematic ........................................................................................................83
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