Cylinder Head Assembly - Honda 86-87 TA200 FATCAT Service Manual

ApplV
a
thin coating of Prussian Blue to the valve seat. Press
the valve through the valve guide and onto the seat to make a
clear pattern,
NOTE
The location of the valve seat in relation to the valve face is
very important for good sealing .
If the contact area is too high on the valve, the seat must be
lowered using a 32 degree flat cutter.
If the contact area is too Iowan the valve, the seat must be
raised using a 60 degree inner cutter.
Refinish the seat to specifications, using a 45 degree finish
cutter.
After cutting the seat, apply lapping compound to the valve
face, and lap the valva using light pressure.
After lapping, wash all residual compound off the cylinder
head and valve.
NOTE
• Do not allow lapping compound to enter the guides.
CYLINDER HEAD ASSEMBLY
Install the valve spring seat and a new stem seal.
Lubricate the valve stems With molybdenum disulfide grease
and insert the valve into the valve guide.
To avoid damage to the stem seal, turn the valve slowly when
Inserting.
Install the valve springs with the tightly wound coils lacing the
cylinder head.
CYLINDER HEAD/V ALVES
(1)
CONTACT TOO HIGH
(,) CaNT ACT TOO LOW
(1)
OUTER SPR ING
(2) INNER SPRING
(3) SPRING SEAT
l
'.0
!
(2) OLD SEAT WIDTH
(2) OLD SEAT WIDTH
....... (5) STEM SEAL
~
(6) SPRING RETAINER
PI COTTERS
6 -11