wsm wg972-e4 Workshop Manual page 60

1. ENGINE BODY........................................................................................................................... 1-M1
[1] CYLINDER BLOCK .............................................................................................................. 1-M1
[2] HALF-FLOATING HEAD COVER ........................................................................................ 1-M1
[3] CYLINDER HEAD ................................................................................................................ 1-M2
[4] CRANKSHAFT ..................................................................................................................... 1-M2
[5] PISTON AND PISTON RING ............................................................................................... 1-M3
[6] OIL PAN ............................................................................................................................... 1-M3
[7] CONNECTING ROD ............................................................................................................ 1-M4
[8] CAMSHAFT.......................................................................................................................... 1-M4
[9] ROCKER ARM ASSEMBLY ................................................................................................. 1-M4
[10]INLET AND EXHAUST VALVES .......................................................................................... 1-M5
[11]FLYWHEEL .......................................................................................................................... 1-M5
[12]CLOSED BREATHER .......................................................................................................... 1-M5
2. LUBRICATING SYSTEM............................................................................................................ 1-M6
[1] GENERAL ............................................................................................................................ 1-M6
[2] OIL PUMP ............................................................................................................................ 1-M7
[3] RELIEF VALVE .................................................................................................................... 1-M7
[4] OIL FILTER CARTRIDGE .................................................................................................... 1-M7
[5] OIL PRESSURE SWITCH .................................................................................................... 1-M8
3. COOLING SYSTEM ................................................................................................................... 1-M9
[1] GENERAL ............................................................................................................................ 1-M9
[2] COOLING FIN ...................................................................................................................... 1-M9
[3] WATER PUMP ..................................................................................................................... 1-M9
[4] THERMOSTAT ................................................................................................................... 1-M10
[5] RADIATOR ......................................................................................................................... 1-M10
[6] RADIATOR CAP................................................................................................................. 1-M11
4. FUEL SYSTEM......................................................................................................................... 1-M12
[1] GENERAL .......................................................................................................................... 1-M12
[2] FUEL FILTER (GASOLINE LINE) [WG972-GL, WG972-G] ............................................... 1-M14
[3] FUEL PUMP (GASOLINE LINE) [WG972-GL, WG972-G] ................................................. 1-M15
[4] ELECTRONIC THROTTLE BODY (ETB) ........................................................................... 1-M15
[5] INJECTORS AND FUEL INJECTION RAIL (GASOLINE LINE) [WG972-GL,
WG972-G] .......................................................................................................................... 1-M15
[6] LOCK OFF VALVE (GAS LINE) [WG972-GL, WG972-L, WG972-N] ................................ 1-M16
[7] REGULATOR WITH VAPORIZER (GAS LINE) [WG972-GL, WG972-L, WG972-N]......... 1-M17
[8] MIXER (GAS LINE) [WG972-GL, WG972-L, WG972-N].................................................... 1-M20
5. EXHAUST SYSTEM ................................................................................................................. 1-M21
[1] THREE-WAY CATALYST .................................................................................................. 1-M21
[2] OXYGEN SENSOR ............................................................................................................ 1-M22
6. ELECTRICAL SYSTEM............................................................................................................ 1-M23
[1] STARTING SYSTEM.......................................................................................................... 1-M23
[2] CHARGING SYSTEM ........................................................................................................ 1-M24
(1) General......................................................................................................................... 1-M24
(2) IC Regulator Built-in Type Alternator............................................................................ 1-M24
[3] ENGINE CONTROL UNIT (ECU) ....................................................................................... 1-M27
[4] WATER TEMPERATURE SENSOR .................................................................................. 1-M27
[5] TEMPERATURE AND MANIFOLD ABSOLUTE PRESSURE SENSOR (TMAP
SENSOR) ........................................................................................................................... 1-M28
[6] CRANKSHAFT POSITION SENSOR ................................................................................. 1-M28
MECHANISM
CONTENTS
KiSC issued 07, 2015 A