Installing The Valves - Yamaha STAR XVS95CE 2DX1 2014 Service Manual

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)
2. Measure:
• Compressed valve spring force "a"
Out of specification → Replace the valve
spring.
Installed compression spring
force (intake)
171.00–197.00 N (17.44–20.09
kgf, 38.44–44.29 lbf)
Installed compression spring
force (exhaust)
171.00–197.00 N (17.44–20.09
kgf, 38.44–44.29 lbf)
Installed length (intake)
35.00 mm (1.38 in)
Installed length (exhaust)
35.00 mm (1.38 in)
b. Installed length
3. Measure:
• Valve spring tilt "a"
Out of specification → Replace the valve
spring.
VALVES AND VALVE SPRINGS
Spring tilt (intake)
2.5 °/1.9 mm (0.07 in)
Spring tilt (exhaust)
2.5 °/1.9 mm (0.07 in)
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)
2. Lubricate:
• Valve stem "1"
• Valve stem seal "2"
(with the recommended lubricant)
Recommended lubricant
Molybdenum disulfide oil
3. Lubricate:
• Valve stem end
(with the recommended lubricant)
Recommended lubricant
Engine oil
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