Suzuki 2005 GSF1200 Service Manual page 99

Assembly
1) Locate the plate (1) on the cylinder head of exhaust
side.
1
2) Oil each oil seal (2) and press fit them into position
using the valve guide installer.
CAUTION
!
Do not reuse the oil seals.
3) Install each valve spring seat (3) (for intake side) and
(4) (for exhaust side).
3
2
4
3
4
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2
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4) Insert the valves with their stems coated with
molybdenum oil solution.
Coat the entire stem making sure that there are no
gaps.
CAUTION
!
When inserting each valve, take care not to
damage the lip of the oil seal.
M/O: Molybdenum oil (Molybdenum oil
solution)
5) Install the valve springs with the smaller pitch "A"
facing the cylinder head.
"C"
"B"
"A"
"A": Small pitch
"B": Larger pitch
Engine Mechanical: 1D-31
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"D"
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"C": Up
"D": Paint mark