Yamaha WaveRunner VXR VX1800A, Service Manual

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3-11
Periodic service
TIP:
Place your hand under the bilge strainer to
check for clog or dirt.
2. Check the bilge hoses. Replace if cracked
or damaged.
3. Disconnect the bilge hose “1”.
4. Run water into the bilge hose “1” and
check that the hose is not clogged.
5. Run water into the hose joint “2” and check
that the joint and hose are not clogged.
6. Disconnect the bilge hose “3”.
7. Check the hole “a” in the hose joint. Clean
if clogged.
8. Check the check valve “b” of the hose joint.
Replace the hose joint if it is open or dam-
aged.
9. Connect the bilge hoses and hose joint.
10. Check the bilge hose routing and the
clamps.
Drain plug check
1. Check the O-ring “1” of drain plug “2”. Re-
place if cracked or damaged.
Anode check
1. Remove the cover and anode.
2. Check the anode “1”. Clean if there is oil or
water stain.
3. Check the anode for erosion. Replace if it
is half the original size.
Valve clearance measurement
Measure the valve clearance when the engine
is cold.
1.
Remove the ignition coils, spark plugs, and
cylinder head cover.
2. Install the special service tools “1”, “2”, and
“3” into spark plug hole #1.
1
2
1
A
a
b
b
2
3
1
A
1
2
2
1