Suzuki RA410 Manual page 303

6A4-44 ENGINE MECHANICAL
DISASSEMBLY
1) For ease in servicing cylinder head, remove intake manifold
with throttle body and exhaust manifold from cylinder head.
2) Remove tappets and shims as previously outlined.
3) Using special tool (Valve lifter), compress valve springs and
then remove valve cotters (1) by using special tool (Forceps) as
shown.
Special Tool
(A): 09916-14510
(B): 09916-14910
(C): 09916-84511
4) Release special tool, and remove spring retainer and valve
spring.
5) Remove valve from combustion chamber side.
6) Remove valve stem oil seal (1) from valve guide, and then valve
spring seat (2).
NOTE:
Do not reuse oil seal once disassembled. Be sure to use
new oil seal when assembling.
7) Using special tool (Valve guide remover), drive valve guide out
from combustion chamber side to valve spring side.
Special Tool
(A): 09916-44910
NOTE:
Do not reuse valve guide once disassembled. Be sure to
use new valve guide when assembling.
8) Place disassembled parts except valve stem seal and valve
guide in order, so that they can be installed in their original posi-
tion.