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SportsBoat_F6H11.book Page 94 Friday, May 21, 2021 4:25 PM

Pre-operation checks

(2) Make sure that the access port caps are clean them. (See page 133 for information on
securely installed. If they are removed or the jet intakes.) WARNING! Rotating parts
are not locked, securely install them. could cause severe injury or death. Before
(See page 133 for information on the ac- attempting to remove weeds or debris
cess port caps.) 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
1
switch.
Fuel system checks
Check the fuel filler hoses and joints in the en-
gine compartment for damage, looseness,
and signs of leaking. At least annually, or if a
problem is suspected, check the fuel tank
and fuel filler hoses and clamps. Have a
1 Access port cap
Yamaha Boat Dealer check the fuel tank and
(3) Close the rear platform hatch. fuel filler hoses and clamps. WARNING! If
there are signs of leaking fuel, do not op-
Jet intake checks erate the boat until the source of the fuel
Carefully check the jet intakes under the boat leak is found and corrected. Gasoline and
for weeds, debris, or anything else that might its vapors are highly flammable and ex-
restrict the intake of water. If the intakes are plosive.
clogged, cavitation could occur, reducing jet
thrust, and possibly damaging jet pump Engine oil level check
parts. Make sure that the engine oil level is between
the minimum level mark and maximum level
mark on the dipstick. (See page 84 for infor-
mation on checking the engine oil level.)

1
1
1 Jet intake

In some cases, the engines may overheat be-
cause of a lack of cooling water, and damage 1 Dipstick
could result. If the jet intakes are clogged,

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