POWR
EXPLODED DIAGRAM ..............................................................................................5-1
PREPARATION FOR THE OVERHAUL .....................................................................5-2
REMOVAL...................................................................................................................5-2
DISASSEMBLY ..........................................................................................................5-3
CHECKING THE CRANKSHAFT .......................................................................5-14
INSPECTION ............................................................................................................5-15
CYLINDER HEAD...............................................................................................5-15
CYLINDER BLOCK ............................................................................................5-16
PISTON...............................................................................................................5-17
PISTON RING.....................................................................................................5-19
PISTON PIN AND SMALL END BEARING ........................................................5-20
CRANKSHAFT....................................................................................................5-20
REED VALVE ......................................................................................................5-21
THERMOSTAT ....................................................................................................5-22
BALL BEARING..................................................................................................5-22
ASSEMBLY AND ADJUSTMENT ............................................................................5-23
BEARING, OILSEAL AND O-RING....................................................................5-23
PISTON...............................................................................................................5-23
SMALL END BEARINGS AND PISTON ASSEMBLY.........................................5-24
CRANK CYLINDER ASSEMBLY ........................................................................5-25
CYLINDER HEAD AND EXHAUST COVER ......................................................5-25
INTAKE MANIFOLD............................................................................................5-26
FUEL SYSTEM AND ELECTRICAL SYSTEM ...................................................5-26
INSTALLATION ........................................................................................................5-26
RECOIL STARTER...................................................................................................5-27
REMOVAL AND DISASSEMBLY ........................................................................5-28
INSPECTION ......................................................................................................5-29
ASSEMBLY .........................................................................................................5-30
INSTALLATION ...................................................................................................5-32
CHAPTER 5
POWER UNIT
E