CYLINDER HEAD > REPLACEMENT |
| 1. REPLACE INTAKE VALVE GUIDE BUSH |
Heat the cylinder head to 80 to 100°C (176 to 212°F).
Place the cylinder head on wooden blocks.
![]() |
Using SST and a hammer, tap out the guide bush.
Using a caliper gauge, measure the bush bore diameter of the cylinder head.
| Bush Size | Bush Bore Diameter |
| STD | 9.727 to 9.738 mm (0.3830 to 0.3834 in.) |
| O/S 0.05 | 9.777 to 9.788 mm (0.3849 to 0.3854 in.) |
Heat the cylinder head to 80 to 100°C (176 to 212°F).
Place the cylinder head on wooden blocks.
![]() |
Using SST and a hammer, tap a new guide bush into the specified protrusion height.
Using a sharp reamer, ream the guide bush to obtain the standard clearance between the guide bush and valve stem.
| 2. REPLACE EXHAUST VALVE GUIDE BUSH |
Heat the cylinder head to 80 to 100°C (176 to 212°F).
Place the cylinder head on wooden blocks.
![]() |
Using SST and a hammer, tap out the guide bush.
Using a caliper gauge, measure the bush bore diameter of the cylinder head.
| Bush Size | Bush Bore Diameter |
| STD | 9.727 to 9.738 mm (0.3830 to 0.3834 in.) |
| O/S 0.05 | 9.777 to 9.788 mm (0.3849 to 0.3854 in.) |
Heat the cylinder head to 80 to 100°C (176 to 212°F).
Place the cylinder head on wooden blocks.
![]() |
Using SST and a hammer, tap a new guide bush into the specified protrusion height.
Using a sharp reamer, ream the guide bush to obtain the standard clearance between the guide bush and valve stem.
| 3. REPLACE STUD BOLT |
![]() |
Remove the stud bolts.
Install the 6 stud bolts.