Yamaha YJ50RN Service Manual page 11

ENGINE REMOVAL.........................................................................................5-1
INSTALLING THE ENGINE .......................................................................5-3
CYLINDER HEAD, CYLINDER AND PISTON ...............................................5-4
REMOVING THE CYLINDER AND PISTON .............................................5-6
CHECKING THE CYLINDER HEAD .........................................................5-6
CHECKING THE CYLINDER AND PISTON..............................................5-7
CHECKING THE PISTON RINGS .............................................................5-8
CHECKING THE PISTON PIN ..................................................................5-9
INSTALLING THE PISTON AND CYLINDER .........................................5-11
KICKSTARTER..............................................................................................5-13
SHEAVES COVER .................................................................................5-13
CHECKING THE KICKSTARTER ...........................................................5-15
INSTALLING THE KICKSTARTER .........................................................5-15
BELT DRIVE .................................................................................................5-16
REMOVING THE SECONDARY PULLEY AND V-BELT ........................5-19
REMOVING THE PRIMARY SHEAVE ....................................................5-20
DISASSEMBLING THE SECONDARY PULLEY.....................................5-20
CHECKING THE CLUTCH SHOES ........................................................5-20
CHECKING THE SECONDARY PULLEY ...............................................5-21
CHECKING THE V-BELT ........................................................................5-22
CHECKING THE PRIMARY PULLEY WEIGHTS....................................5-22
ASSEMBLING THE SECONDARY PULLEY...........................................5-23
INSTALLING THE PRIMARY PULLEY ...................................................5-24
INSTALLING THE BELT DRIVE..............................................................5-25
STARTER CLUTCH AND STARTER MOTOR ............................................5-27
CHECKING THE STARTER CLUTCH ....................................................5-28
INSTALLING THE STARTER CLUTCH ..................................................5-28
TRANSMISSION ...........................................................................................5-30
CHECKING THE TRANSMISSION .........................................................5-32
GENERATOR AND AUTOLUBE PUMP .......................................................5-33
STATOR COIL ASSEMBLY ...................................................................5-33
AUTOLUBE PUMP ..................................................................................5-34
REMOVING THE GENERATOR .............................................................5-35
CHECKING THE AUTOLUBE PUMP ......................................................5-35
INSTALLING THE AUTOLUBE PUMP ....................................................5-35
INSTALLING THE GENERATOR ............................................................5-36
CHAPTER 5
ENGINE
GEN 1
INFO
2
SPEC
CHK 3
ADJ
4
CHAS
5
ENG
6
CARB
- +
7
ELEC
TRBL 8
SHTG