ENGINE 3-1
ENGINE
CONTENTS
3
ENGINE COMPONENTS REMOVABLE WITH THE ENGINE IN PLACE .. 3- 2
ENGINE REMOVAL AND INSTALLATION................................................. 3- 4
ENGINE REMOVAL............................................................................... 3- 4
ENGINE REMOUNTING........................................................................ 3- 8
ENGINE DISASSEMBLY............................................................................. 3-10
ENGINE COMPONENT INSPECTION AND SERVICE ............................... 3-20
CYLINDER HEAD COVER.................................................................... 3-20
CYLINDER HEAD.................................................................................. 3-21
CYLINDER............................................................................................. 3-33
PISTON.................................................................................................. 3-34
CRANKSHAFT ...................................................................................... 3-36
OIL PUMP.............................................................................................. 3-37
MOVABLE DRIVE FACE....................................................................... 3-37
CLUTCH SHOE/MOVABLE DRIVEN FACE......................................... 3-39
DRIVE BELT.......................................................................................... 3-44
DRIVE BELT FILTER ............................................................................ 3-44
STARTER CLUTCH............................................................................... 3-45
MAGNETO COVER ............................................................................... 3-46
KICK STARTER..................................................................................... 3-47
REDUCTION GEAR............................................................................... 3-49
BEARING INSPECTION........................................................................ 3-51
RIGHT CRANKCASE ............................................................................ 3-51
ENGINE MOUNTING BUSHING ........................................................... 3-51
LEFT CRANKCASE .............................................................................. 3-52
ENGINE MOUNTING BUSHINGS ......................................................... 3-54
CRANKSHAFT SHIM SELECTION....................................................... 3-55
ENGINE REASSEMBLY .............................................................................. 3-56
PAIR (AIR SUPPLY) SYSTEM..................................................................... 3-73
PAIR HOSES INSPECTION .................................................................. 3-73
PAIR REED VALVE INSPECTION........................................................ 3-73
PAIR CONTROL VALVE INSPECTION................................................ 3-73