VALVES AND VALVE SPRINGS
5-28
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3. Eliminate:
• Carbon deposits
(from the valve face and valve seat)
4. Check:
• Valve face
Pitting/wear
→
Grind the valve face.
• Valve stem end
Mushroom shape or diameter larger than
the body of the valve stem
→
Replace the
valve.
5. Measure:
• Valve margin thickness “a”
Out of specification
→
Replace the valve.
6. Measure:
• Valve stem runout
Out of specification
→
Replace the valve.
TIP
• When installing a new valve, always replace
the valve guide.
• If the valve is removed or replaced, always
replace the valve stem seal.
EAS24300
CHECKING THE VALVE SEATS
The following procedure applies to all of the
valves and valve seats.
1. Eliminate:
• Carbon deposits
(from the valve face and valve seat)
2. Check:
• Valve seat
Pitting/wear
→
Replace the cylinder
head.
3. Measure:
• Valve seat width “a”
Out of specification
→
Replace the cylin-
der head.
Valve guide remover (ø6)
90890-04064
Valve guide remover (6.0 mm)
YM-04064-A
Valve guide installer (ø6)
90890-04065
Valve guide installer (6.0 mm)
YM-04065-A
Valve guide reamer (ø6)
90890-04066
Valve guide reamer (6.0 mm)
YM-04066
Valve margin thickness D
(intake)
1.00 mm (0.0394 in)
Valve margin thickness D
(exhaust)
1.00 mm (0.0394 in)
Valve stem runout
0.010 mm (0.0004 in)
Valve seat width C (intake)
0.90–1.10 mm (0.0354–0.0433
in)
Limit
1.6 mm (0.06 in)
Valve seat width C (exhaust)
0.90–1.10 mm (0.0354–0.0433
in)
Limit
1.6 mm (0.06 in)
Содержание Star XVS950A 2009
Страница 1: ...SERVICE MANUAL XVS950A Y 2009 26P 28197 E0 ...
Страница 6: ......
Страница 8: ......
Страница 47: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 24 ...
Страница 50: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 EAS20410 LUBRICATION DIAGRAMS ...
Страница 52: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 ...
Страница 53: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 30 1 Camshaft 2 Crankshaft ...
Страница 54: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 ...
Страница 55: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 32 1 Oil drain bolt 2 Crankshaft ...
Страница 56: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 33 ...
Страница 58: ...CABLE ROUTING 2 35 EAS20430 CABLE ROUTING ...
Страница 60: ...CABLE ROUTING 2 37 ...
Страница 62: ...CABLE ROUTING 2 39 ...
Страница 64: ...CABLE ROUTING 2 41 ...
Страница 66: ...CABLE ROUTING 2 43 ...
Страница 68: ...CABLE ROUTING 2 45 ...
Страница 70: ...CABLE ROUTING 2 47 ...
Страница 72: ...CABLE ROUTING 2 49 ...
Страница 74: ...CABLE ROUTING 2 51 ...
Страница 76: ...CABLE ROUTING 2 53 ...
Страница 78: ...CABLE ROUTING 2 55 ...
Страница 80: ...CABLE ROUTING 2 57 ...
Страница 82: ...CABLE ROUTING 2 59 ...
Страница 84: ...CABLE ROUTING 2 61 ...
Страница 87: ......
Страница 118: ...PERIODIC MAINTENANCE 3 31 ...
Страница 121: ......
Страница 191: ...INSTALLING THE SHIFT FORKS AND SHIFT DRUM ASSEMBLY 5 78 ...
Страница 284: ...THROTTLE BODIES 6 13 ...
Страница 287: ......
Страница 288: ...IGNITION SYSTEM 7 1 EAS27090 IGNITION SYSTEM EAS27110 CIRCUIT DIAGRAM ...
Страница 294: ...ELECTRIC STARTING SYSTEM 7 7 EAS27160 ELECTRIC STARTING SYSTEM EAS27170 CIRCUIT DIAGRAM ...
Страница 300: ...CHARGING SYSTEM 7 13 EAS27200 CHARGING SYSTEM EAS27210 CIRCUIT DIAGRAM ...
Страница 301: ...CHARGING SYSTEM 7 14 2 AC magneto 3 Rectifier regulator 4 Main fuse 5 Battery ...
Страница 303: ...CHARGING SYSTEM 7 16 ...
Страница 304: ...LIGHTING SYSTEM 7 17 EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM ...
Страница 308: ...SIGNALING SYSTEM 7 21 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM ...
Страница 314: ...FUEL INJECTION SYSTEM 7 27 EAS27330 FUEL INJECTION SYSTEM EAS27340 CIRCUIT DIAGRAM ...
Страница 318: ...FUEL INJECTION SYSTEM 7 31 EAS5S71040 TROUBLE SHOOTING CHART ...
Страница 356: ...FUEL PUMP SYSTEM 7 69 EAS27550 FUEL PUMP SYSTEM EAS27560 CIRCUIT DIAGRAM ...
Страница 359: ...FUEL PUMP SYSTEM 7 72 ...
Страница 360: ...IMMOBILIZER SYSTEM 7 73 EAS27640 IMMOBILIZER SYSTEM EAS27650 CIRCUIT DIAGRAM ...
Страница 369: ...IMMOBILIZER SYSTEM 7 82 ...
Страница 370: ...ELECTRICAL COMPONENTS 7 83 EAS27970 ELECTRICAL COMPONENTS ...
Страница 372: ...ELECTRICAL COMPONENTS 7 85 ...
Страница 374: ...ELECTRICAL COMPONENTS 7 87 EAS27980 CHECKING THE SWITCHES ...
Страница 399: ......
Страница 400: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...