Suzuki SFV650, Service Manual

Page: 237 / 573

Engine Mechanical: 1D-48
Valve / Valve spring
• Install the valve spring seat (1).
• Apply molybdenum oil solution to the oil seal (2), and
press-fit it into position.
CAUTION
!
Use a new oil seal to prevent oil leakage.
M/O: Molybdenum oil (MOLYBDENUM OIL
SOLUTION)
• Insert the valve, with its stem coated with
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)
• Install the valve spring with the small-pitch portion “A”
facing cylinder head.
• Put on the valve spring retainer (3), and using the
special tools, press down the spring, fit the cotter
halves to the stem end, and release the lifter to allow
the cotter (4) halves to wedge in between retainer and
stem.
CAUTION
!
• Be sure to restore each spring and valve to
their original positions.
• Be careful not to damage the valve and
valve stem when handling it.
• To prevent damage of the tappet sliding
surface with the valve lifter attachment,
use a protector.
Special tool
(A): 09919–28620 (Sleeve protector)
(B): 09916–14510 (Valve spring compressor)
(C): 09916–14522 (Valve spring compressor
attachment)
: 09916–84511 (Tweezers)
• Be sure that the rounded lip “E” of the cotter fits
snugly into the groove “F” in the stem end.
“A”: Small-pitch portion “C”: Upward
“B”: Large-pitch portion “D”: Paint
1
2
I944H1140231-01
I705H1140165-01
“A”
“C”
“B”
“D”
I822H1140347-01
3. Valve spring retainer 4. Cotter
3
4
(A)
(B)
(C)
I944H1140232-01
3
4
“E” “F”
I944H1140233-01