Checking The Valve Lifters; Installing The Valves - Yamaha XP500 Service Manual

VALVES AND VALVE SPRINGS
3. Measure:
EAS00242

CHECKING THE VALVE LIFTERS

The following procedure applies to all of the
valve lifters.
1. Check:
EAS00245

INSTALLING THE VALVES

The following procedure applies to all of the
valves and related components.
1. Deburr:
2. Lubricate:
5 - 27
• 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)
• valve lifter
Damage/scratches → Replace the valve lift-
ers and cylinder head.
• valve stem end
(with an oil stone)
• valve stem 1
• valve stem seal 2
(with the recommended lubricant)
Recommended lubricant
Molybdenum disulfide oil
ENG