Yamaha WaveRunner FZR-GX1800 Service Manual page 77

CHK
ADJ
Power unit
IN
#1 #2
EX
d
c
#3 #4
3-12
3. Position piston #1 at TDC by turning the
exhaust camshaft sprocket clockwise with
the special service tool.
TIP
Check that the punch marks c on the cam-
shafts are aligned with the alignment marks d
on the camshaft caps.
Camshaft wrench:
90890-06724
4. Measure the intake and exhaust valve
clearances of the specified cylinders.
#1 #2
IN
EX
5. Install the dial gauge needle and special
service tools 1 and 2 into spark plug hole
#4.
6. Position piston #4 at TDC by turning the
exhaust camshaft sprocket 180° clockwise
with the special service tool.
7. Measure the intake and exhaust valve
clearances of the specified cylinders.
#1 #2
IN
EX
E
#3 #4
:Specified cylinder
#3 #4
:Specified cylinder
1
2
3
4
5
6
7
8
9