Checking The Valve Lifters; Installing The Valves - Yamaha FZS1000N Service Manual

VALVES AND VALVE SPRINGS
EAS00242

CHECKING THE VALVE LIFTERS

The following procedure applies to all of the
valve lifters.
1. Check:
R 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:
R valve stem end
(with an oil stone)
2. Lubricate:
R valve stem 1
R oil seal 2
(with the recommended lubricant)
3. Install:
R valve 1
R lower spring seat 2
R oil seal 3
R valve spring 4
R upper spring seat 5
(into the cylinder head)
NOTE:
Install the valve spring with the larger pitch a
facing up.
b Smaller pitch
NOTE:
Make sure that each valve is installed in its origi-
nal place. Refer to the following embossed
marks.
Right and left intake valve(-s): "4XV:"
Middle intake valve(-s): "4XV."
Exhaust valve(-s): "5LV"
5-27
ENG
Recommended lubricant
Molybdenum disulfide oil