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SportsBoat_F6B15.book Page 89 Monday, May 27, 2024 11:12 AM

Pre-operation checks

engine, remove the main switch key, and
1 then remove the engine shut-off cord (lan-
yard) from the engine shut-off 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
Yamaha Boat Dealer check the fuel tank and
1 Access port cap
fuel filler hoses and clamps. WARNING! If
(3) Close the rear platform hatch. there are signs of leaking fuel, do not op-
erate the boat until the source of the fuel
Jet intake checks leak is found and corrected. Gasoline and
Carefully check the jet intake under the boat its vapors are highly flammable and explo-
for weeds, debris, or anything else that might sive.
restrict the intake of water. If the intake is
clogged, cavitation could occur, reducing jet Engine oil level check
thrust, and possibly damaging jet pump Make sure that the engine oil level is between
parts. the minimum level mark and maximum level
mark on the dipstick. (See page 78 for infor-
mation on checking the engine oil level.)

190FSH SPORT

1
1

1 Jet intake
In some cases, the engine may overheat be-
cause of a lack of cooling water, and damage
could result. If the jet intake is clogged, clean 1 Dipstick
it. (See page 128 for information on the jet in-
take.) WARNING! Rotating parts could
cause severe injury or death. Before at-
tempting to remove weeds or debris from
the jet intake or impeller areas; shut off the

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