Yamaha Fazer Service Manual page 87

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ENGINE DISASSEMBLY
DISASSEMBLY OF CYLINDER HEAD,
ROCKER ARMS, CAMSHAFT AND
VALVES
1. Loosen :
• Valve Adjuster Locknuts ¿
• Valve Adjusters À
2. Remove :
• Stopper Plate Á by opening allen bolt Â
3. Attach
• Rocker arm shaft puller ¿
Rocker Arm Shaft Puller
YSST - 608A
4. Remove :
• Rocker Arm Shafts by tightening the Puller
nut À
• Rocker Arms (intake/exhaust)
5. Remove :
• Camshaft Assy with spacer
NOTE :
Before the Valves, Valve Springs, Valve Stem
Seals, etc. are removed from the Cylinder Head,
the Valve sealing should be checked.
6. Check
• Valve sealing
Leakage at the valve seat Ÿ Inspect the
valve face, valve seat and seat width.
Refer to "INSPECTION AND REPAIR
VALVE SEAT". on Chapter 4 Page no 4-16
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Checking Steps :
• Pour clean petrol ¿ into the intake and ex-
haust ports.
• Check the valve sealing. There should be no
leakage at the valve seat À
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4-13
ENG