Suzuki RMX450Z Service Manual page 191

• 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 valve stem oil seal.
M/O: Molybdenum oil (MOLYBDENUM OIL
SOLUTION)
• Install the valve spring with the small-pitch portion "B"
facing cylinder head.
"D"
"C"
"B"
"B": Small-pitch portion
"C": Large-pitch portion
• Put on the valve spring retainer (5), and using the
special tools, press down the spring, fit the cotter
halves (6) to the stem end, and release the lifter to
allow the cotter halves (6) 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 lifter)
(B): 09916–14910 (Valve spring compressor
attachment)
: 09916–84511 (Tweezers)
(C): 09919–28610 (Sleeve protector)
I705H1140165-01
"E"
I718H1140004-01
"D": Upward
"E": Paint
5
(C)
• Be sure that the rounded lip "F" of the cotter fits snugly
into the groove "G" in the stem end.
5
"G"
5. Valve spring retainer
• Install the other valves and springs in the same
manner as described previously.
• Install the tappet shims (7) and the tappets (8) to their
original positions.
NOTE
• Apply molybdenum oil to the stem end,
shim and tappet before fitting them.
• When seating the tappet shim, be sure the
figure printed surface faces the tappet.
M/O: Molybdenum oil (MOLYBDENUM OIL
SOLUTION)
7
7
Engine Mechanical: 1D-42
6
(A)
(B)
IA02J1140027-01
"F"
6
IA02J1140028-03
6. Cotter
8
8
IA02J1140029-02