Suzuki GSF650A Service Manual page 252

1D-40 Engine Mechanical:
NOTE
• When replacing the intake pipes, identify
the different intake pipes according to
each I.D. code "A".
(1-17H0 for cylinder #1)
(2-17H0 for cylinder #2 and #3)
(4-17H0 for cylinder #4)
• Make sure that the "1 UP" mark faces up.
(for cylinder #1)
• Make sure that the "4 UP" mark faces up.
(for cylinder #4)
• Apply engine coolant to O-rings of water outlet pipe.
CAUTION
!
Replace the O-rings with new ones.
• Install the valve spring seat.
• Apply engine oil to the oil seal (1), and press-fit it into
• Insert the valve, with its stem coated with
"A"
I717H1140110-01
• Install the valve spring with the small-pitch portion "B"
I718H1140114-01
position.
CAUTION
!
Do not reuse the removed oil seal.
MOLYBDENUM OIL SOLUTION all around and along
the full stem length without any break.
CAUTION
!
When inserting the valve, take care not to
damage the lip of the oil seal.
M/O: Molybdenum oil (MOLYBDENUM OIL
SOLUTION)
facing cylinder head.
"D"
"C"
"B"
"B": Small-pitch portion
"C": Large-pitch portion
1
I718H1140113-03
I705H1140165-01
"E"
I718H1140004-01
"D": UPWARD
"E": Paint