Yamaha Waverunner VXS VX1800 Service Manual page 132

3. Remove the valve lifters "1" and valve
pads "2".
TIP:
Write down the position of each valve lifter "1"
and valve pad "2" so that they can be installed
in their original positions.
1
2
4. Check the valve pad number "a".
TIP:
The thickness of each valve pad is marked in
hundredths of millimeters on the side that con-
tacts the valve lifter.
148
5. Round off the original valve pad number
according to the following table.
Last digit
0, 1, 2
4, 5, 6
8, 9
6. Select the new valve pad number from the
"Valve pad selection table" (5-43).
TIP:
The valve pads are available in 23 thickness-
es, ranging from 1.20 mm to 2.30 mm in 0.05
mm increments.
a
Rounded value
0
5
10
7. Install the selected valve pad "1" and valve
lifter "2".
1
8. Turn the valve lifter and check that it turns
smoothly.
9. Position piston #1 at TDC, and then install
the camshafts and camshaft caps. See
"Camshaft installation" (5-38).
10. Measure the intake and exhaust valve
clearances of the specified cylinders.
#1

IN

EX
: Specified cylinder
—: Not applicable
11. Install the special service tools into spark
plug hole #4.
5-41
Camshaft
2
#2 #3 #4

— —

— —
1
3
2