The Parts Detail Of Cylinder Head Assembly - Royal Enfield Classic 500 2009 Service Manual

Periodical Maintenance
✰
After cutting the seat, apply lapping
compound to the valve face and lap
the valve applying light pressure.
NOTE :
Excessive lapping pressure may
deform or damage the seat.
Change the angle of lapping tool
frequently to prevent uneven seat
wear.
Lapping compound can cause
damage if it enters between the valve
stem and guide.
✰ After lapping, wash any residual
compound off the cylinder head and
valve.
✰
Recheck the seat contact after
lapping.
✰
Clean the cylinder head assembly
with solvent and blow through all oil
passages with compressed air.
✰ Install the valve spring seats and
new valve stem seals.
✰ Lubricate each valve stem with clean
engine oil.
✰
Insert the intake and exhaust valve
into the valve guides.

THE PARTS DETAIL OF CYLINDER HEAD ASSEMBLY

1. CYLINDER HEAD
2. SPLIT COLLAR
3. RETAINER, SPRING
4. VALVE SPRING
5. VALVE STEM SEAL
6. SEAT, SPRING
7. VALVE GUIDE
8. PLUG OR EOT SENSOR for 500cc
9. VALVE SEAT INSERT, EXHAUST
10. VALVE EXHAUST
11. VALVE INLET
12. VALVE SEAT INSERT, INLET
NOTE :
To avoid damage to the seating face, turn
the valve slowly while inserting.
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