Suzuki Boulevard M50, Service Manual

Page: 84 / 454

3-38 ENGINE
VALVE AND VALVE SPRING REASSEMBLY
• Fit the valve spring lower seats
1
.
• Oil each oil seal, and press-fit the oil seal
2
into position with
the valve guide installer.

09916-44910: Valve guide remover/installer

• Insert the valves, with their stems coated with high quality
molybdenum disfluid lubricant (SUZUKI MOLY PASTE) all
around and along the full stem length without any break.

99000-25140: SUZUKI MOLY PASTE

• Install the valve springs with the small-pitch portion
A
facing
cylinder head.
B
: Large-pitch portion
• Put on the valve spring retainer using the valve spring com-
pressor, press down the springs, fit the two cotter halves to
the stem end, and release the compressor to allow the cotter
1
to wedge in between seat and stem. Be sure that the
rounded lip
2
of the cotter fits snugly into the groove
3
in the
stem end.

09916-14510: Valve spring compressor
09916-14910: Valve spring compressor attachment
09916-84511: Tweezers

Do not reuse the oil seal.
When inserting each valve, take care not to damage
the lip of the stem seal.
Yellow paint
Be sure to restore each spring, valve and spring
retainer to their original positions.
SA
MP
LE