CYLINDER HEAD DISASSEMBLY

PROCEDURE

1. REMOVE INTAKE VALVE

   
   

   1. 

      Using SST, compress the inner compression spring and remove the 2 valve spring retainer locks.

      SST

      09202-70020   ( 09202-00010, 09202-01010, 09202-01020 )

   2. Remove the valve spring retainer, inner compression spring and intake valve.

      Tech Tips

      Arrange the removed parts in the correct order.

2. REMOVE EXHAUST VALVE

   
   

   1. 

      Using SST, compress the inner compression spring and remove the 2 valve spring retainer locks.

      SST

      09202-70020   ( 09202-00010, 09202-01010, 09202-01020 )

   2. Remove the valve spring retainer, inner compression spring and exhaust valve.

      Tech Tips

      Arrange the removed parts in the correct order.

3. REMOVE INTAKE VALVE STEM OIL SEAL

   
   

   1. 

      Using needle-nose pliers, remove the intake valve stem oil seal.

4. REMOVE EXHAUST VALVE STEM OIL SEAL

   
   

   1. Using needle-nose pliers, remove the exhaust valve stem oil seals.

5. REMOVE VALVE SPRING SEAT

   
   

   1. 

      Using compressed air and a magnet hand, remove the valve spring seats by blowing air onto them.

6. REMOVE NO. 1 STRAIGHT SCREW PLUG

   
   
   1. 

      *a	for Bank 1
      *b	for Bank 2

      Using a 10 mm hexagon wrench, remove the 4 No. 1 straight screw plugs and 4 water hole gaskets.

      Note

      If water leaks from a No. 1 straight screw plug or the No. 1 straight screw plug is corroded, replace it.

7. REMOVE NO. 2 STRAIGHT SCREW PLUG

   
   
   1. 

      *a	for Bank 1
      *b	for Bank 2

      Using a 14 mm hexagon wrench, remove the 2 No. 2 straight screw plugs and 2 screw plug gaskets.

      Note

      If water leaks from a No. 2 straight screw plug or the No. 2 straight screw plug is corroded, replace it.

8. REMOVE UNION

   Note

   It is not necessary to remove the union unless it is being replaced.

9. REMOVE STUD BOLT

   Note

   If the stud bolt is deformed or the threads are damaged, replace it.