Yamaha YFM90RA Model Vehicle User Manual


 
OIL FLOW DIAGRAMS.................................................................................2-21
CABLE ROUTING .........................................................................................2-22
CHAPTER 3
PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION..............................................................................................3-1
PERIODIC MAINTENANCE/LUBRICATION ..................................................3-1
SEAT, FENDERS AND FUEL TANK ..............................................................3-3
SEAT AND FRONT PANEL ......................................................................3-3
FRONT FENDER ......................................................................................3-4
REAR FENDER AND FOOTREST BOARDS ...........................................3-5
FUEL TANK...............................................................................................3-7
ENGINE ...........................................................................................................3-8
ADJUSTING THE VALVE CLEARANCE ..................................................3-8
ADJUSTING THE ENGINE IDLING SPEED...........................................3-10
ADJUSTING THE THROTTLE LEVER FREE PLAY ..............................3-11
ADJUSTING THE SPEED LIMITER........................................................3-12
CHECKING THE SPARK PLUG .............................................................3-13
CHECKING THE IGNITION TIMING.......................................................3-14
MEASURING THE COMPRESSION PRESSURE..................................3-15
CHECKING THE ENGINE OIL LEVEL....................................................3-17
CHANGING THE ENGINE OIL ...............................................................3-18
CLEANING THE AIR FILTER ELEMENT................................................3-19
CLEANING THE SPARK ARRESTER ....................................................3-20
CHASSIS .......................................................................................................3-22
CHECKING THE FRONT BRAKE SHOES..............................................3-22
ADJUSTING THE FRONT BRAKE..........................................................3-22
ADJUSTING THE PARKING BRAKE.......................................................3-23
CHECKING THE REAR BRAKE FLUID LEVEL......................................3-24
CHECKING THE REAR BRAKE PADS...................................................3-25
CHECKING THE BRAKE HOSE..............................................................3-25
BLEEDING THE HYDRAULIC BRAKE SYSTEM....................................3-25
CHANGING THE FINAL TRANSMISSION OIL.......................................3-27
ADJUSTING THE DRIVE CHAIN SLACK................................................3-27
CHECKING THE STEERING SYSTEM...................................................3-29
ADJUSTING THE TOE-IN.......................................................................3-30
CHECKING THE FRONT AND REAR SHOCK ABSORBERS ...............3-31
CHECKING THE TIRES..........................................................................3-33
ADJUSTING THE SHOCK ABSORBERS...............................................3-32
CHECKING THE WHEELS .....................................................................3-35
CHECKING AND LUBRICATING THE CABLES ....................................3-36
LUBRICATING THE LEVERS, STEERING SHAFT
AND STEERING KNUCKLES ................................................................3-36