Checking The Valve Lifters; Installing The Valves - Yamaha 2008 Fazer FZ1-N Service Manual

EAS24320

CHECKING THE VALVE LIFTERS

The following procedure applies to all of the
valve lifters.
1. Check:
• Valve lifter
Damage/scratches → Replace the valve
lifters and cylinder head.
EAS24330

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
VALVES AND VALVE SPRINGS
3. Install:
• Valve "1"
• Lower spring seat "2"
• Valve stem seal "3"
• Valve spring "4"
• Upper spring seat "5"
(into the cylinder head)
NOTE:
• Make sure each valve is installed in its origi-
nal place. Refer to the following embossed
marks.
Right and left intake valve (-s): "5VY:"
Middle intake valve (-s): "5VY."
Exhaust valve (-s): "5VY".
• Install the valve springs with the larger pitch
"a" facing up.
b. Smaller pitch
4. Install:
• Valve cotters "1"
NOTE:
Install the valve cotters by compressing the
valve springs with the valve spring compressor
"2" and the valve spring compressor attach-
ment "3".
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