Yamaha YFZ450S 2003 Service Manual page 236

CARB
CHAPTER 6
CARBURETOR
CARBURETOR................................................................................................6-1
DISASSEMBLING THE CARBURETOR................................................... 6-5
CHECKING THE CARBURETOR ............................................................. 6-5
ASSEMBLING THE CARBURETOR.........................................................6-7
ADJUSTING THE ACCELERATOR PUMP TIMING .................................6-8
INSTALLING THE CARBURETOR JOINT................................................ 6-8
INSTALLING THE CARBURETOR ........................................................... 6-9
CHECKING AND ADJUSTING THE THROTTLE POSITION SENSOR ...6-9