Suzuki GSF1250 Service Manual page 245

• 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 (2), 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.
• Be careful to damage of the tappet sliding
surface with the special tool.
Special tool
(A): 09916–14510 (Valve spring compressor)
(B): 09916–14521 (Valve spring compressor
attachment)
: 09916–84511 (Tweezers)
2
"E"
I718H1140004-01
"D": UPWARD
"E": Paint
(B)
(A)
I718H1140116-02
• Be sure that the rounded lip "F" of the cotter fits snugly
into the groove "G" in the stem end.
2
2. Valve spring retainer
• Install the other valves and springs in the same
manner as described previously.
• Install the tappet shims and the tappets to their
original positions.
NOTE
• Apply engine 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.
Engine Mechanical:
"F"
G
3
I718H1140117-02
3. Cotter
I718H1140118-01
1D-43