Yamaha XP500 - Checking the Valve Lifters; Installing the Valves

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ENG
VALVES AND VALVE SPRINGS
3. Measure:
• valve spring tilt a
Out of specification → Replace the valve
spring.
Maximum spring tilt
Intake valve spring
1.6 mm (0.06 in)
Exhaust valve spring
1.6 mm (0.06 in)
EAS00242
CHECKING THE VALVE LIFTERS
The following procedure applies to all of the
valve lifters.
1. Check:
• valve lifter
Damage/scratches → Replace the valve lift-
ers and cylinder head.
EAS00245
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