buell s1 lightning '97 Manual
3-19
ASSEMBLY
1
CAUTION
Make sure all lapping compound is removed from cylin-
der head and valves after lapping is completed. If lapping
compound contaminates any internal engine compo-
nents or engine oil, excessive engine wear and damage
may result.
der head and valves after lapping is completed. If lapping
compound contaminates any internal engine compo-
nents or engine oil, excessive engine wear and damage
may result.
1.
Wash cylinder head and valves in warm, soapy water to
remove all lapping compound.
remove all lapping compound.
2.
Scrub valve guide bores with
VALVE GUIDE BRUSH
(Part No. HD-34751)
and hot, soapy water.
3.
Blow dry with compressed air.
4.
Apply a liberal amount of engine oil to the valve stem.
5.
See
Insert valve into guide and install lower
collar (4).
6.
Place a protective sleeve over the valve
stem keeper groove. Coat the sleeve with oil and place a
new seal over the valve stem.
new seal over the valve stem.
1
CAUTION
●
Always use a protective sleeve on the valve stem
keeper groove when installing valve stem seal. If the
seal is installed without using the protective sleeve,
the seal will be damaged.
keeper groove when installing valve stem seal. If the
seal is installed without using the protective sleeve,
the seal will be damaged.
●
Do not remove valve after seal is installed. Other-
wise, sharp edges on keeper groove will damage
seal.
wise, sharp edges on keeper groove will damage
seal.
7.
VALVE SEAL INSTALLATION TOOL (Part No. HD-34643A)
and
DRIVER HANDLE (Part No. HD-34740)
.
The seal is completely installed when the tool touches
the lower collar (4).
the lower collar (4).
8.
Install valve springs (5, 6) and upper col-
lar (8).
9.
Compress springs with
VALVE SPRING COMPRESSOR
(Part No. HD-34736B)
.
10. Insert keepers (7) into upper collar (8), making sure they
engage groove in valve stem. The keeper gaps should be
equal.
equal.
11. Release and remove VALVE SPRING COMPRESSOR.
12. Repeat Steps 4-11 for the remaining valve(s).
NOTE
If front isolator mount was removed from front cylinder, rein-
stall in the following manner.
stall in the following manner.
13. Coat new bolts with LOCTITE THREADLOCKER 262
(red). Tighten bolts to 73-78 ft-lbs (98.9-105.7 Nm).
Figure 3-24. Valve Seal Installation
Figure 3-25. Valve Guide Seal Protector Sleeve
1.
Valve seal
installation tool
installation tool
2.
Driver handle
3.
Valve stem seal
4.
Lower collar
5.
Valve guide
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1
2
3
4
5
5686
Protective sleeve