Yamaha Raptor 90 YFM90RA 2011 Service Manual page 11

BELT DRIVE ................................................................................................4-31
CRANKCASE COVER............................................................................. 4-31
KICKSTARTER........................................................................................4-32
INSTALLING THE KICKSTARTER..........................................................4-33
V-BELT, CLUTCH, PRIMARY AND SECONDARY SHEAVE..................4-34
DISASSEMBLING THE SECONDARY SHEAVE....................................4-35
REMOVING THE PRIMARY SHEAVE....................................................4-36
REMOVING THE SECONDARY SHEAVE AND V-BELT........................ 4-36
DISASSEMBLING THE SECONDARY SHEAVE....................................4-37
CHECKING THE CLUTCH SHOE........................................................... 4-37
CHECKING THE V-BELT........................................................................4-38
CHECKING THE PRIMARY SHEAVE.....................................................4-38
CHECKING THE PRIMARY SHEAVE WEIGHTS................................... 4-38
CHECKING THE SLIDER........................................................................ 4-39
CHECKING THE SECONDARY SHEAVE..............................................4-39
ASSEMBLING THE PRIMARY SHEAVE................................................4-40
ASSEMBLING THE SECONDARY SHEAVE..........................................4-41
INSTALLING THE BELT DRIVE..............................................................4-42
STARTER CLUTCH AND STARTER MOTOR ............................................4-44
CHECKING THE STARTER WHEEL GEAR........................................... 4-45
OIL PUMP .....................................................................................................4-46
CHECKING THE OIL PUMP....................................................................4-47
INSTALLING THE OIL PUMP..................................................................4-48
CRANKCASE AND CRANKSHAFT ............................................................4-49
SEPARATING THE CRANKCASE.......................................................... 4-50
REMOVING THE CRANKSHAFT ASSEMBLY........................................ 4-51
CHECKING THE TIMING CHAIN AND TIMING CHAIN GUIDES...........4-51
CHECKING THE CRANKSHAFT AND CONNECTING ROD.................. 4-52
INSTALLING THE CRANKSHAFT..........................................................4-53
ASSEMBLING THE CRANKCASE..........................................................4-54
TRANSMISSION .......................................................................................... 4-55
CHECKING THE TRANSMISSION.........................................................4-56