Disassemble The Cylinder Head - PGO Tigra AF-125BAE Service Manual

2. Disassemble the cylinder head

A. Use a wrench to remove set screws on the camshaft
mounting plate.
B. Remove the camshaft mounting plate, the rock arm
shafts (intake & exhaust valves) and the rock arms
(intake & exhaust valves).
C. Remove the camshaft.
D. Remove the camshaft and the rock arm to remain the
main body and the intake & exhaust valves.
E. Disassemble the intake & exhaust valves:
1. Use tools to remove valve cocks.
2. Remove parts such as supporting disks, springs, and
valve gaskets.
3. Remove the intake & exhaust valves.
4. Remove valve seals (which must be replaced for
disassembly of the intake & exhaust valves).
Rock arm
(exhaust valve)
Compact end down
Compact end down
Exhaust
valve
52
Cylinder Head
Rock arm
(inlet valve)
Rock arm shaft
Camshaft
mounting plate
Camshaft
Valve cocks
Supporting disks
Springs
Compact end
down
Compact end down
Valve seals
Valve gaskets
Inlet valve
6
Set screw