Yamaha VINO YJ50RAP, Service Manual

Page: 118 / 228

ENG
CHAPTER 5
ENGINE
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
Downloaded
from www.ScooterTime.net