5-23
VALVES AND VALVE SPRINGS
4. Lap:
• Valve face
• Valve seat
NOTE:
After replacing the cylinder head or replacing
the valve and valve guide, the valve seat and
valve face should be lapped.
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a. Apply a coarse lapping compound “a” to the
valve face.
CAUTION:
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.
NOTE:
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 steps above.
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) “b”
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 again. If the
valve seat width is out of specification,
reface and lap the valve seat.
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EAS00241
CHECKING THE VALVE SPRINGS
The following procedure applies to all of the
valve springs.
1. Measure:
• Valve spring free length “a”
Out of specification
→
Replace the valve
spring.
Valve spring free length
Intake
40.38 mm (1.59 in)
<Limit>: 38.36 mm (1.51 in)
Exhaust
40.38 mm (1.59 in)
<Limit>: 38.36 mm (1.51 in)
Содержание XT660Z 2008
Страница 1: ...SERVICE MANUAL 2008 11D F8197 E0 XT660Z ...
Страница 8: ......
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Страница 44: ...2 20 TIGHTENING TORQUES Cylinder head tightening sequence 2 4 3 1 ...
Страница 52: ...2 28 COOLING SYSTEM DIAGRAMS EAS00033 COOLING SYSTEM DIAGRAMS 5VK 5VK00 A 4 A B 4 3 2 1 2 3 1 A A A ...
Страница 54: ...2 30 COOLING SYSTEM DIAGRAMS 1 2 3 4 5 6 7 9 10 11 12 5 8 11 A ...
Страница 57: ...2 33 LUBRICATION DIAGRAMS LUBRICATION DIAGRAMS 1 A A A A B B B A A B 3 2 2 4 1 1 5 5 ...
Страница 59: ...2 35 LUBRICATION DIAGRAMS A A A A 3 1 2 3 4 ...
Страница 60: ...2 36 LUBRICATION DIAGRAMS 1 Oil delivery pipe 2 2 Oil delivery pipe 1 3 Oil filter 4 Oil pump ...
Страница 61: ...2 37 LUBRICATION DIAGRAMS 1 7 2 3 4 5 6 A ...
Страница 63: ...2 39 LUBRICATION DIAGRAMS 1 6 5 4 3 2 ...
Страница 64: ...2 40 LUBRICATION DIAGRAMS 1 Camshaft 2 Oil delivery pipe 1 3 Oil filter 4 Main axle 5 Drive axle 6 Crankshaft ...
Страница 65: ...2 41 CABLE ROUTING CABLE ROUTING ...
Страница 67: ...2 43 CABLE ROUTING ...
Страница 69: ...2 45 CABLE ROUTING ...
Страница 71: ...2 47 CABLE ROUTING ...
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Страница 75: ...2 51 CABLE ROUTING ...
Страница 77: ...2 53 CABLE ROUTING ...
Страница 79: ...2 55 CABLE ROUTING ...
Страница 81: ...2 57 CABLE ROUTING ...
Страница 83: ...2 59 CABLE ROUTING ...
Страница 84: ...2 60 CABLE ROUTING 1 Bolt union 2 Brake hose 3 Rear stop switch 4 Clamp hose A Add Loctite 243 ...
Страница 176: ...4 56 FRONT FORK WARNING Make sure the brake hoses are routed prop erly 1 2 3 ...
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Страница 301: ...7 17 FUEL INJECTION SYSTEM WIRING DIAGRAM ...
Страница 324: ......
Страница 327: ...8 1 IGNITION SYSTEM EAS27090 IGNITION SYSTEM EAS27110 CIRCUIT DIAGRAM ...
Страница 331: ...8 5 ELECTRIC STARTING SYSTEM EAS27160 ELECTRIC STARTING SYSTEM EAS27170 CIRCUIT DIAGRAM ...
Страница 337: ...8 11 CHARGING SYSTEM EAS27200 CHARGING SYSTEM EAS27210 CIRCUIT DIAGRAM ...
Страница 338: ...8 12 CHARGING SYSTEM 2 A C magneto 5 Rectifier regulator 7 Battery 8 Main fuse ...
Страница 340: ...8 14 CHARGING SYSTEM ...
Страница 341: ...8 15 LIGHTING SYSTEM EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM ...
Страница 345: ...8 19 SIGNALING SYSTEM EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM ...
Страница 351: ...8 25 COOLING SYSTEM EAS00807 COOLING SYSTEM CIRCUIT DIAGRAM ...
Страница 354: ...8 28 COOLING SYSTEM ...
Страница 355: ...8 29 IMMOBILIZER SYSTEM ET5YU1002 IMMOBILIZER SYSTEM ET5YU1003 CIRCUIT DIAGRAM ...
Страница 364: ...8 38 IMMOBILIZER SYSTEM ...
Страница 365: ...8 39 ELECTRICAL COMPONENTS EAS27970 ELECTRICAL COMPONENTS ...
Страница 367: ...8 41 ELECTRICAL COMPONENTS ...
Страница 369: ...8 43 ELECTRICAL COMPONENTS EAS27980 CHECKING THE SWITCHES ...
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Страница 396: ...COLOR CODE ...
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Страница 398: ...YAMAHA MOTOR ITALIA S P A ...
Страница 399: ...XT660Z 2008 WIRING DIAGRAM ...