5-31
VALVES AND VALVE SPRINGS
ENG
CAUTION:
NOTE:
a. Apply a coarse lapping compound
a
to the
valve face.
Do not let the lapping compound enter the
gap between the valve stem and the valve
guide.
b. Apply molybdenum disulfide oil onto the
valve stem.
c. Install the valve into the cylinder head.
d. Turn the valve until the valve face and valve
seat are evenly polished, then clean off all of
the lapping compound.
For the best lapping results, lightly tap the valve
seat while rotating the valve back and forth be-
tween your hands.
e. Apply a fine lapping compound to the valve
face and repeat the above steps.
f. After every lapping procedure, be sure to
clean off all of the lapping compound from
the valve face and valve seat.
g. Apply Mechanic’s blueing dye (Dykem) onto
the valve face.
h. Install the valve into the cylinder head.
i. Press the valve through the valve guide and
onto the valve seat to make a clear impres-
sion.
j. Measure the valve seat width
a
again. If the
valve seat width is out of specification, reface
and lap the valve seat.
EAS00241
CHECKING THE VALVE SPRINGS
The following procedure applies to all of the
valve springs.
1. Measure:
S
valve spring free length
a
Out of specification
!
Replace the valve
spring.
Valve spring free length
Intake valve spring
39.3 mm (1.55 in)
<Limit>: 37.3 mm (1.47 in)
Exhaust valve spring
39.3 mm (1.55 in)
<Limit>: 37.3 mm (1.47 in)
Содержание YZF-R1S
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Страница 50: ...2 22 TIGHTENING TORQUES SPEC Cylinder head tightening sequence Crankcase tightening sequence ...
Страница 55: ...2 27 1 Radiator fan 2 Radiator 3 Water pump COOLING SYSTEM DIAGRAMS SPEC EAS00033 COOLING SYSTEM DIAGRAMS ...
Страница 56: ...2 28 1 Thermostat 2 Radiator cap 3 Radiator 4 Oil cooler COOLING SYSTEM DIAGRAMS SPEC ...
Страница 57: ...2 29 ENGINE OIL LUBRICATION CHART SPEC ENGINE OIL LUBRICATION CHART ...
Страница 61: ...2 33 1 Main axle 2 Oil delivery pipe 3 Drive axle LUBRICATION DIAGRAMS SPEC ...
Страница 62: ...2 34 1 Cylinder head 2 Crankshaft LUBRICATION DIAGRAMS SPEC ...
Страница 267: ...5 45 CRANKSHAFT POSITION SENSOR ENG 5 Install Srider seat Sfuel tank Refer to SEATS and FUEL TANK in chap ter 3 ...
Страница 346: ...7 2 FUEL INJECTION SYSTEM FI 7 WIRING DIAGRAM ...
Страница 401: ...8 8 IGNITION SYSTEM ELEC EAS00735 IGNITION SYSTEM CIRCUIT DIAGRAM ...
Страница 420: ...8 27 LIGHTING SYSTEM ELEC EAS00780 LIGHTING SYSTEM CIRCUIT DIAGRAM ...
Страница 427: ...8 34 SIGNALING SYSTEM ELEC EAS00793 SIGNALING SYSTEM CIRCUIT DIAGRAM ...
Страница 436: ...8 43 COOLING SYSTEM ELEC EAS00807 COOLING SYSTEM CIRCUIT DIAGRAM ...
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