CONTENTS
1. TROUBLESHOOTING.................................................................................................................1-S1
2. SERVICING SPECIFICATIONS ..................................................................................................1-S4
[1] G23........................................................................................................................................1-S4
[2] G26........................................................................................................................................1-S9
3. TIGHTENING TORQUES..........................................................................................................1-S14
4. CHECKING, DISASSEMBLING AND SERVICING ...................................................................1-S15
[1] CHECKING AND ADJUSTING............................................................................................1-S15
(1) Engine Body ..................................................................................................................1-S15
(2) Lubricating System ........................................................................................................1-S17
(3) Cooling System .............................................................................................................1-S17
(4) Fuel System...................................................................................................................1-S19
[2] DISASSEMBLING AND ASSEMBLING ..............................................................................1-S22
(1) Separating Engine .........................................................................................................1-S22
(2) Removing Engine Outer Parts.......................................................................................1-S29
(3) Cylinder Head and Valves .............................................................................................1-S29
(4) Gear Case and Timing Gears........................................................................................1-S33
(5) Piston and Connecting Rod...........................................................................................1-S37
(6) Flywheel and Crankshaft ...............................................................................................1-S39
[3] SERVICING.........................................................................................................................1-S41
(1) Cylinder Head and Valves .............................................................................................1-S41
(2) Timing Gears, Camshaft and Governor Gear................................................................1-S49
(3) Piston and Connecting Rod...........................................................................................1-S52
(4) Crankshaft .....................................................................................................................1-S56
(5) Cylinder .........................................................................................................................1-S63
(6) Oil Pump (G23)..............................................................................................................1-S64
(7) Oil Pump (G26)..............................................................................................................1-S64
(8) Relief Valve Spring ........................................................................................................1-S65
SERVICING