VALVES AND VALVE SPRINGS
5-31
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:
ECA13790
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 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) “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 “c” again. If the
valve seat width is out of specification, reface
and lap the valve seat.
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EAS24310
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.
Free length (intake)
42.43 mm (1.67 in)
Limit
40.31 mm (1.59 in)
Free length (exhaust)
42.43 mm (1.67 in)
Limit
40.31 mm (1.59 in)
Содержание XVS13AW
Страница 2: ...SERVICE MANUAL XVS13AW C XVS13CTW C LIT 11616 20 42 3D8 28197 10 ...
Страница 7: ......
Страница 9: ......
Страница 25: ...SPECIAL TOOLS 1 15 ...
Страница 52: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 26 ...
Страница 55: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 EAS20410 LUBRICATION DIAGRAMS A A 1 2 2 3 A A ...
Страница 57: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 1 2 3 ...
Страница 58: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 32 1 Camshaft 2 Oil nozzle 3 Crankshaft ...
Страница 59: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 33 1 2 ...
Страница 60: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 34 1 Oil delivery pipe 1 2 Timing chain tensioner ...
Страница 61: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 35 1 2 3 4 5 6 ...
Страница 63: ...COOLING SYSTEM DIAGRAMS 2 37 EAS20420 COOLING SYSTEM DIAGRAMS A A A A 2 1 4 3 5 6 ...
Страница 65: ...COOLING SYSTEM DIAGRAMS 2 39 A B B A 4 3 3 1 2 2 A A B B ...
Страница 67: ...COOLING SYSTEM DIAGRAMS 2 41 10 13 4 7 3 1 10 9 6 B C A 12 11 C B A 1 8 9 10 10 12 3 2 4 5 6 7 ...
Страница 75: ...CABLE ROUTING 2 49 C D D C C A A F E B A C B D E F F G 1 2 3 4 4 4 5 6 6 6 6 7 8 F A A D D C B E ...
Страница 83: ...CABLE ROUTING 2 57 3D8 3D8 A B B A A B C D E 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ...
Страница 85: ...CABLE ROUTING 2 59 ...
Страница 89: ...CABLE ROUTING 2 63 ...
Страница 92: ......
Страница 125: ...ELECTRICAL SYSTEM 3 33 ...
Страница 128: ......
Страница 203: ...BELT DRIVE 4 75 ...
Страница 262: ...CLUTCH 5 56 9 Adjust Clutch lever free play Refer to ADJUSTING THE CLUTCH LEVER FREE PLAY on page 3 13 2 1 c b a ...
Страница 305: ...WATER PUMP 6 11 ...
Страница 319: ...THROTTLE BODIES 7 13 ...
Страница 322: ......
Страница 328: ...IGNITION SYSTEM 8 6 ...
Страница 336: ...CHARGING SYSTEM 8 14 1 AC magneto 2 Rectifier regulator 3 Main fuse 6 Battery ...
Страница 338: ...CHARGING SYSTEM 8 16 ...
Страница 352: ...COOLING SYSTEM 8 30 ...
Страница 389: ...ELECTRICAL COMPONENTS 8 67 EAS27970 ELECTRICAL COMPONENTS 1 4 5 6 7 8 9 10 11 12 13 2 3 ...
Страница 391: ...ELECTRICAL COMPONENTS 8 69 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ...
Страница 413: ...ELECTRICAL COMPONENTS 8 91 ...
Страница 421: ......
Страница 422: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...