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SportsBoat_F5K13.book Page 150 Tuesday, June 13, 2023 5:43 PM

Pre-operation checks

Access port cap check
Make sure that the access port caps are se-
curely installed.
To check the access port caps:
(1) Open the rear platform hatch. (See page
113 for information on the rear platform
hatch.)
(2) Make sure that the access port caps are 1
securely installed. If they are removed or
are not locked, securely install them.
(See page 201 for information on the ac- 1 Jet intake
cess port caps.)
In some cases, the engines may overheat be-
cause of a lack of cooling water, and damage
could result. If the jet intakes are clogged,
1
clean them. (See page 201 for information on
the jet intakes.) WARNING! Rotating parts
could cause severe injury or death. Before
attempting to remove weeds or debris
from the jet intakes or impeller areas; shut
off the engines, remove the main switch
keys, and then remove the engine shut-off
1 Access port cap cord (lanyard) from the engine shut-off
switch.
(3) Close the rear platform hatch.
Fuel system checks
Jet intake checks Check the fuel filler hoses and joints in the
Carefully check the jet intakes under the boat engine compartment for damage, loose-
for weeds, debris, or anything else that might ness, and signs of leaking. At least annually,
restrict the intake of water. If the intakes are or if a problem is suspected, check the fuel
clogged, cavitation could occur, reducing jet tank and fuel filler hoses and clamps. Have
thrust, and possibly damaging jet pump a Yamaha Boat Dealer check the fuel tank
parts. and fuel filler hoses and clamps. WARNING!
If there are signs of leaking fuel, do not
operate the boat until the source of the
fuel leak is found and corrected. Gasoline
and its vapors are highly flammable and
explosive.

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