wsm wg972-e4 Workshop Manual page 91

1. TROUBLESHOOTING.................................................................................................................1-S1
[1] FOR GENERAL .....................................................................................................................1-S1
[2] FOR GASOLINE FUEL [WG972-GL, WG972-G] ..................................................................1-S5
[3] FOR GAS FUEL [WG972-GL, WG972-L, WG972-N]............................................................1-S5
2. SERVICING SPECIFICATIONS ..................................................................................................1-S6
3. TIGHTENING TORQUES..........................................................................................................1-S12
[1] TIGHTENING TORQUES FOR GENERAL USE SCREWS, BOLTS AND NUTS...............1-S12
[2] TIGHTENING TORQUES FOR SPECIAL USE SCREWS, BOLTS AND NUTS.................1-S13
4. CHECKING, DISASSEMBLING AND SERVICING ...................................................................1-S14
[1] CHECKING AND ADJUSTING............................................................................................1-S14
(1) Engine Body ..................................................................................................................1-S14
(2) Lubricating System ........................................................................................................1-S16
(3) Cooling System .............................................................................................................1-S17
(4) Fuel System...................................................................................................................1-S18
(5) Ignition System ..............................................................................................................1-S19
(6) Electrical System ...........................................................................................................1-S21
[2] DISASSEMBLING AND ASSEMBLING ..............................................................................1-S25
(1) Draining Coolant and Engine Oil ...................................................................................1-S25
(2) External Components ....................................................................................................1-S26
(3) Cylinder Head, Valves and Oil Pan ...............................................................................1-S27
(4) Thermostat ....................................................................................................................1-S31
(5) Timing Gear, Camshaft .................................................................................................1-S31
(6) Piston and Connecting Rod...........................................................................................1-S33
(7) Crankshaft .....................................................................................................................1-S34
(8) Starter............................................................................................................................1-S38
(9) Alternator .......................................................................................................................1-S39
[3] SERVICING .........................................................................................................................1-S40
(1) Combustion Chamber....................................................................................................1-S40
(2) Cylinder Head and Valves .............................................................................................1-S41
(3) Timing Gear and Camshaft ...........................................................................................1-S46
(4) Piston and Connecting Rod...........................................................................................1-S49
(5) Crankshaft .....................................................................................................................1-S52
(6) Cylinder .........................................................................................................................1-S56
(7) Oil Pump........................................................................................................................1-S57
(8) Starter............................................................................................................................1-S58
(9) Alternator .......................................................................................................................1-S60
SERVICING
CONTENTS
KiSC issued 07, 2015 A