PROCEDURE
REMOVE VALVE LIFTER
Remove the valve lifter and valve adjusting shim.
Tech Tips
Arrange the valve lifters and valve adjusting shims in the correct order.
REMOVE INTAKE VALVE
Using SST, compress the inner compression spring and remove the 2 valve spring retainer locks.
Remove the valve spring retainer, inner compression spring, valve and valve spring seat plate washer from the cylinder head sub-assembly.
Tech Tips
Arrange the valves, inner compression springs, valve spring seat plate washers and valve spring retainers in the correct order.
REMOVE EXHAUST VALVE
Using SST, compress the inner compression spring and remove the 2 valve spring retainer locks.
Remove the valve spring retainer, inner compression spring, valve and valve spring seat plate washer from the cylinder head sub-assembly.
Tech Tips
Arrange the valves, inner compression springs, valve spring seat plate washers and valve spring retainers in the correct order.
REMOVE VALVE STEM OIL SEAL
Using needle-nose pliers, remove the valve stem oil seal from the valve guide bush.
REMOVE COMBUSTION CHAMBER SUB-ASSEMBLY
Using SST, remove the 4 combustion chamber sub-assemblies.
Tech Tips
Arrange the combustion chamber sub-assemblies in the correct order.
REMOVE SEMICIRCULAR PLUG
Remove the semicircular plug from the cylinder head sub-assembly.
REMOVE STUD BOLT
Tech Tips
If a stud bolt is deformed or its threads are damaged, replace it.
Remove the stud bolts from the cylinder head sub-assembly.