Reassembly - Suzuki DF 40 Service Manual

REASSEMBLY

Reassemble in reverse order of disassembly paying special
attention to the following steps.
VALVE
Install valve spring seat
After applying engine oil to stem seal
tool ( Installer attachment ), fit stem seal to spindle.
Then, pushing special tool by hand, install stem seal to valve
guide.
Check to be sure that seal is properly fixed to valve guide.
09917-87010 : Installer attachment
09916-57330 : Installer handle
Do not reuse stem seal once removed.
Always install new seal.
Apply engine oil to stem seal, valve guide bore and valve stem.
Install valve to valve guide.
NOTE:
Reassemble each valve and valve spring to their original posi-
tion.
Install valve spring , and valve retainer
NOTE:
Set valve spring in place with narrow spiral area facing valve
seat.
to cylinder head.
and spindle of special
.
POWER UNIT 6-38
3
1
4
1. Large-pitch
2. Small-pitch
3. Valve spring
retainer side
4. Valve spring
seat side
2