Service manual

Cylinder Head

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).

Inlet valve

Exhaust

valve

Valve gaskets

Valve seals

Valve cocks

Supporting disks

Springs

Compact end

down

Compact end down Compact end down

Compact end down

Camshaf

Set screw

Rock arm shaft

Camshaft

mounting plate

Rock arm

(inlet valve)

Rock arm

(exhaust valve)