VALVES AND VALVE SPRINGS
5-30
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.
2. Measure:
• Compressed valve spring force “a”
Out of specification
→
Replace the valve
spring.
3. Measure:
• Valve spring tilt “a”
Out of specification
→
Replace the valve
spring.
EAS24340
INSTALLING THE VALVES
The following procedure applies to all of the
valves and related components.
1. Deburr:
• Valve stem end
(with an oil stone)
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)
Installed compression spring
force (intake)
171–197 N (17.44–20.09 kgf,
38.45–44.30 lbf)
Installed compression spring
force (exhaust)
171–197 N (17.44–20.09 kgf,
38.45–44.30 lbf)
Installed length (intake)
35.00 mm (1.38 in)
Installed length (exhaust)
35.00 mm (1.38 in)
b. Installed length
Spring tilt (intake)
2.5
°
/1.9 mm (0.075 in)
Spring tilt (exhaust)
2.5
°
/1.9 mm (0.075 in)
Summary of Contents for Star XVS950A 2009
Page 1: ...SERVICE MANUAL XVS950A Y 2009 26P 28197 E0 ...
Page 6: ......
Page 8: ......
Page 47: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 24 ...
Page 50: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 EAS20410 LUBRICATION DIAGRAMS ...
Page 52: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 ...
Page 53: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 30 1 Camshaft 2 Crankshaft ...
Page 54: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 ...
Page 55: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 32 1 Oil drain bolt 2 Crankshaft ...
Page 56: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 33 ...
Page 58: ...CABLE ROUTING 2 35 EAS20430 CABLE ROUTING ...
Page 60: ...CABLE ROUTING 2 37 ...
Page 62: ...CABLE ROUTING 2 39 ...
Page 64: ...CABLE ROUTING 2 41 ...
Page 66: ...CABLE ROUTING 2 43 ...
Page 68: ...CABLE ROUTING 2 45 ...
Page 70: ...CABLE ROUTING 2 47 ...
Page 72: ...CABLE ROUTING 2 49 ...
Page 74: ...CABLE ROUTING 2 51 ...
Page 76: ...CABLE ROUTING 2 53 ...
Page 78: ...CABLE ROUTING 2 55 ...
Page 80: ...CABLE ROUTING 2 57 ...
Page 82: ...CABLE ROUTING 2 59 ...
Page 84: ...CABLE ROUTING 2 61 ...
Page 87: ......
Page 118: ...PERIODIC MAINTENANCE 3 31 ...
Page 121: ......
Page 191: ...INSTALLING THE SHIFT FORKS AND SHIFT DRUM ASSEMBLY 5 78 ...
Page 284: ...THROTTLE BODIES 6 13 ...
Page 287: ......
Page 288: ...IGNITION SYSTEM 7 1 EAS27090 IGNITION SYSTEM EAS27110 CIRCUIT DIAGRAM ...
Page 294: ...ELECTRIC STARTING SYSTEM 7 7 EAS27160 ELECTRIC STARTING SYSTEM EAS27170 CIRCUIT DIAGRAM ...
Page 300: ...CHARGING SYSTEM 7 13 EAS27200 CHARGING SYSTEM EAS27210 CIRCUIT DIAGRAM ...
Page 301: ...CHARGING SYSTEM 7 14 2 AC magneto 3 Rectifier regulator 4 Main fuse 5 Battery ...
Page 303: ...CHARGING SYSTEM 7 16 ...
Page 304: ...LIGHTING SYSTEM 7 17 EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM ...
Page 308: ...SIGNALING SYSTEM 7 21 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM ...
Page 314: ...FUEL INJECTION SYSTEM 7 27 EAS27330 FUEL INJECTION SYSTEM EAS27340 CIRCUIT DIAGRAM ...
Page 318: ...FUEL INJECTION SYSTEM 7 31 EAS5S71040 TROUBLE SHOOTING CHART ...
Page 356: ...FUEL PUMP SYSTEM 7 69 EAS27550 FUEL PUMP SYSTEM EAS27560 CIRCUIT DIAGRAM ...
Page 359: ...FUEL PUMP SYSTEM 7 72 ...
Page 360: ...IMMOBILIZER SYSTEM 7 73 EAS27640 IMMOBILIZER SYSTEM EAS27650 CIRCUIT DIAGRAM ...
Page 369: ...IMMOBILIZER SYSTEM 7 82 ...
Page 370: ...ELECTRICAL COMPONENTS 7 83 EAS27970 ELECTRICAL COMPONENTS ...
Page 372: ...ELECTRICAL COMPONENTS 7 85 ...
Page 374: ...ELECTRICAL COMPONENTS 7 87 EAS27980 CHECKING THE SWITCHES ...
Page 399: ......
Page 400: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...