Yamaha 2004 YP400 Service Manual page 78

PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION.............................................................................................. 3-1
PERIODIC MAINTENANCE AND LUBRICATION CHART ............................ 3-1
COWLING AND COVERS............................................................................... 3-3
PASSENGER SEAT AND SIDE COVERS................................................ 3-3
RIDER SEAT AND STORAGE BOX .........................................................3-4
SIDE COVER MOULDINGS AND FOOTREST BOARDS ........................3-6
FRONT COWLING .................................................................................... 3-7
AIR FILTER CASES ........................................................................................3-9
ENGINE .........................................................................................................3-10
ADJUSTING THE VALVE CLEARANCE ................................................ 3-10
ADJUSTING THE EXHAUST GAS VOLUME .........................................3-15
CHECKING THE ENGINE IDLING SPEED ............................................3-16
ADJUSTING THE THROTTLE CABLE FREE PLAY ..............................3-17
CHECKING THE SPARK PLUG ............................................................. 3-17
CHECKING THE IGNITION TIMING.......................................................3-19
MEASURING THE COMPRESSION PRESSURE..................................3-20
CHECKING THE ENGINE OIL LEVEL....................................................3-22
CHANGING THE ENGINE OIL ...............................................................3-23
CHANGING THE TRANSMISSION OIL.................................................. 3-26
REPLACING THE AIR FILTER ELEMENTS...........................................3-27
CLEANING THE V-BELT CASE AIR FILTER ELEMENT .......................3-28
CHECKING THE THROTTLE BODY JOINT AND
INTAKE MANIFOLD ............................................................................... 3-29
CHECKING THE FUEL HOSE ................................................................3-29
CHECKING THE BREATHER HOSES ...................................................3-30
CHECKING THE EXHAUST SYSTEM....................................................3-31
CHECKING THE COOLANT LEVEL.......................................................3-31
CHECKING THE COOLING SYSTEM ....................................................3-32
CHANGING THE COOLANT................................................................... 3-33
CHAPTER 3
CHK
ADJ