seat adjustment YAMAHA YZF-R1SC 2004 Service Manual

LUBRICATION DIAGRAMS2-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CABLE ROUTING2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHAPTER 3
PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PERIODIC MAINTENANCE CHART FOR THE EMISSION
CONTROL SYSTEM3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL MAINTENANCE AND LUBRICATION CHART3-1 . . . . . . . . .
SEATS3-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUEL TANK3-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVING THE FUEL TANK 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVING THE FUEL PUMP 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLING THE FUEL PUMP 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLING THE FUEL TANK 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COWLINGS3-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FRONT COWLING AND SIDE COWLINGS 3-7. . . . . . . . . . . . . . . . . . .
REAR COWLING 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVAL 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR FILTER CASE3-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE3-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADJUSTING THE VALVE CLEARANCE 3-11. . . . . . . . . . . . . . . . . . . . . .
SYNCHRONIZING THE THROTTLE BODIES 3-17. . . . . . . . . . . . . . . . .
ADJUSTING THE EXHAUST GAS VOLUME 3-19. . . . . . . . . . . . . . . . . .
ADJUSTING THE ENGINE IDLING SPEED 3-21. . . . . . . . . . . . . . . . . . .
ADJUSTING THE THROTTLE CABLE FREE PLAY 3-22. . . . . . . . . . . .
CHECKING THE SPARK PLUGS 3-23. . . . . . . . . . . . . . . . . . . . . . . . . . . .
MEASURING THE COMPRESSION PRESSURE 3-24. . . . . . . . . . . . . .
CHECKING THE ENGINE OIL LEVEL 3-26. . . . . . . . . . . . . . . . . . . . . . . .
CHANGING THE ENGINE OIL 3-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MEASURING THE ENGINE OIL PRESSURE 3-29. . . . . . . . . . . . . . . . .
ADJUSTING THE CLUTCH CABLE FREE PLAY 3-31. . . . . . . . . . . . . . .
REPLACING THE AIR FILTER ELEMENT 3-32. . . . . . . . . . . . . . . . . . . .
CHECKING THE FUEL AND BREATHER HOSES 3-33. . . . . . . . . . . . .
CHECKING THE CRANKCASE BREATHER HOSE 3-34. . . . . . . . . . . .
CHECKING THE EXHAUST SYSTEM 3-35. . . . . . . . . . . . . . . . . . . . . . . .
ADJUSTING THE EXUP CABLES 3-36. . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE COOLANT LEVEL 3-37. . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE COOLING SYSTEM 3-38. . . . . . . . . . . . . . . . . . . . . . . .
CHANGING THE COOLANT 3-39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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3-11
ADJUSTING THE VALVE CLEARANCE
CHK
ADJ
NOTE:
EAS00045
ENGINE
ADJUSTING THE VALVE CLEARANCE
The following procedure applies to all of the
valves.

Valve clearance adjustment should be made
on a cold engine, at room temperature.

When the valve clearance is to be measured or
adjusted, the piston must be at top dead center
(TDC) on the compression stroke.
1. Remove

rider seat
Refer to “SEATS”.

fuel tank
Refer to “FUEL TANK”.

air filter case
Refer to “AIR FILTER CASE”.

bottom cowlings

side cowlings
Refer to “COWLINGS”.

throttle body assembly
Refer to “THROTTLE BODIES” in chapter 7.

air cut-off valve
Refer to “AIR INDUCTION SYSTEM” in
chapter 7.

radiator

radiator fan motor
Refer to “RADIATOR” in chapter 6.
2. Remove

ignition coils

spark plugs

cylinder head cover

cylinder head cover gasket
Refer to “CAMSHAFT” in chapter 5.
3. Remove

pickup rotor cover
1
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9-1
STARTING FAILURES
TRBL
SHTG
NOTE:
FUEL SYSTEM
Fuel tank
Empty fuel tank

Clogged fuel filter

Clogged fuel strainer

Clogged fuel tank drain hose

Deteriorated or contaminated fuel
Fuel pump
Faulty fuel pump

Faulty fuel pump relay
Throttle body (-ies)

Deteriorated or contaminated fuel

Sucked-in air
Ignition coil(s)
Cracked or broken ignition coil body

Broken or shorted primary or secondary
coils
Ignition system
Faulty ECU

Faulty crankshaft position sensor
EAS00844
TROUBLESHOOTING
The following guide for troubleshooting does not cover all the possible \
causes of trouble. It should be
helpful, however, as a guide to basic troubleshooting. Refer to the relative procedure i\
n this manual for
checks, adjustments, and replacement of parts.
STARTING FAILURES
ENGINE
Cylinder(s) and cylinder head(s)

Loose spark plug

Loose cylinder head or cylinder

Damaged cylinder head gasket

Damaged cylinder gasket

Worn or damaged cylinder

Incorrect valve clearance

Improperly sealed valve

Incorrect valve-to-valve-seat contact

Incorrect valve timing

Faulty valve spring

Seized valve
Piston(s) and piston ring(s)
Improperly installed piston ring

Damaged, worn or fatigued piston ring

Seized piston ring

Seized or damaged piston
Air filter
Improperly installed air filter

Clogged air filter element
Crankcase and crankshaft
Improperly assembled crankcase

Seized crankshaft
ELECTRICAL SYSTEMS
Battery
Discharged battery

Faulty battery
Fuse(s)
Blown, damaged or incorrect fuse

Improperly installed fuse
Spark plug(s)

Incorrect spark plug gap

Incorrect spark plug heat range

Fouled spark plug

Worn or damaged electrode

Worn or damaged insulator
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