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Pre-operation checks

A “clean agent” type fire extinguisher is rec-
ommended; a chemical-type fire extinguisher
may not be adequate in this application.

Access port cap check
Make sure that the access port caps are se-
curely installed.
To check the access port caps: 1
(1) Open the rear platform hatch. (See page
110 for information on the rear platform
hatch.) 1 Jet intake
(2) Make sure that the access port caps are
securely installed. If they are removed or In some cases, the engines may overheat be-
are not locked, securely install them. cause of a lack of cooling water, and damage
(See page 190 for information on the ac- could result. If the jet intakes are clogged,
cess port caps.) clean them. (See page 190 for information on
the jet intakes.) WARNING! Rotating parts
could cause severe injury or death. Before
attempting to remove weeds or debris
1
from the jet intakes or impeller areas; shut
off the engines, remove the main switch
keys, and then remove the engine shut-off
cord (lanyard) from the engine shut-off
switch.

Fuel system checks
1 Access port cap Check the fuel filler hoses and joints in the
engine compartment for damage, loose-
(3) Close the rear platform hatch. ness, and signs of leaking. At least annually,
or if a problem is suspected, check the fuel
Jet intake checks tank and fuel filler hoses and clamps. Have
Carefully check the jet intakes under the boat a Yamaha Boat Dealer check the fuel tank
for weeds, debris, or anything else that might and fuel filler hoses and clamps. WARNING!
restrict the intake of water. If the intakes are If there are signs of leaking fuel, do not
clogged, cavitation could occur, reducing jet operate the boat until the source of the
thrust, and possibly damaging jet pump fuel leak is found and corrected. Gasoline
parts. and its vapors are highly flammable and
explosive.

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