Honda 2006 TRX680FA Service Manual page 221

CYLINDER HEADIVALVEICAMSHAFT
CYLINDER HEAD ASSEMBLY
corrsas
SPRING RETAINER
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OU TER VALVE SPRING
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INNER VALVE SPRING - - \
a
STEM SEAL
/ " 6 2
SPRING SEAT
VALVE GUIDE
INTA KE VALVE
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EXHAUST VALVE
VALVE SPRINGS
Blow th rough the oi l passage (stu d bo lt ho lel in the
cy lind er head wi th com p ressed air.
Install the valve spring seats and new stem seals.
Lubr icate the valve stern slid ing surf ace with rnolv b-
denum oil solution.
Insert the va lve into the guide w hile turning it
slo w ly to avoid da mag ing to the stem seal.
Inst all the inner and outer valv e sprinqs wi th th e
t ightly woun d coils facing t he com bust io n chamber.
Install t he spr ing reta iner.
RETAINER
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79
S"
STEM SEAL
Combustion cham be r sid e
9-19