Suzuki kq750 2008, Service Manual

Page: 183 / 576

Engine Mechanical: 1D-34
• Insert the valve, with its stem coated with
molybdenum oil 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 “B”
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 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 them.
• To prevent damage of the tappet sliding
surface with the special tool, use the
sleeve protector.
Special tool
(A): 09916–14510 (Valve spring compressor)
(B): 09916–14910 (Valve spring compressor
attachment)
(C): 09916–84511 (Tweezers)
(D): 09919–28610 (Sleeve protector)
• Be sure that the rounded lip “F” of the cotter fits snugly
into the groove “G” in the stem end.
“B”: Small-pitch portion “D”: UPWARD
“C”: Large-pitch portion “E”: Paint
I705H1140165-01
“B”
“D”
“C”
“E”
I718H1140004-01
3. Valve spring retainer 4. Cotter
(A)
(B)
(C)
(D)
3
I831G1140160-03
“F”
“G”
4
3
I831G1140161-02