Reassembly - Suzuki DF 25 Service Manual

7-34 POWER UNIT

REASSEMBLY

Reassemble in reverse order of disassembly pay special atten-
tion to the following steps.
VALVE
Install valve spring seat 1 to cylinder head.
After applying engine oil to stem seal 2 and spindle of special
tool ( installer attachment ), fit stem seal to spindle.
Then, pshing special tool by hand ,install stem seal to valve
guide.
Check to be sure that seal is properly fixed to valve guide.
09917-98221 : Installer attachment A
09916-58210 : Installer handle B
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 3 to valve guide.
NOTE:
Reassemble each valve andevalve spring to their original posi-
tion.
Install valve spring 4, and valve retainer 5.
NOTE:
Set valve spring in place with narrow spiral area facing valve
seat.
3
1. Large-pitch
1 2. Small-picth
3. Valve spring
retainer side
4. Valve spring
seat side
4
2