Step 2: Inspect your boat bilge area under the engine for the evidence of oil and gasoline—or any gasoline odor. This
inspectionshouldtakeplacethersttimetheboatisstartedeachday.Raisetheenginecoverandvisuallylook
at the bilge area under the engine.
Gasoline is explosive. If you see or smell the presence of gasoline during your inspection, DO NOT START YOUR
ENGINE! Remove your ignition key from the ignition switch and call your MasterCraft dealer for service.
Note: If you notice loose fuel fi ttings, deteriorated lines or other problems associated with
the fuel system, call your MasterCraft dealer. Fuel system service on later-model MasterCraft
boats require special service tools and special training. Due to the potential for serious conse-
quences when errors occur in servicing the fuel system, MasterCraft strongly encourages all boat
owners to seek professional assistance from your MasterCraft service department whenever any
service or perceived problems occur within the fuel system.
All replaced fuel components must meet United States Coast Guard (“USCG”) and American Boat & Yacht Coun-
cil, Inc. (“ABYC”) standards, and must be Underwriter’s Laboratory (“UL”)-approved. Inferior quality components
pose a serious safety threat to you and others, and the use of inferior components may result in serious injury or
death. Resulting damage may void your warranty.
2007 MasterCraft Owners Manual - Page 15-15
Step 3:Installanewimpeller.(Itisintentionallylargerthanthecase.Whilegentlysqueezingitin,ensurethatthe
paddlewheelsangleinthesamedirection—counterclockwise—allthewayaround.)
Step 4: Slide the plate back into place. No silicone is necessary. Due to the built-in gasket, tightening the screws should
prevent leakage.
Inspect the Complete Fuel System
for Leakage
Although your boat engine is similar to your automobile
engine, the engine compartment differs substantially. The under-
side of your automobile engine compartment is totally open to
the atmosphere. This allows complete air circulation and ventila-
tion. Your boat engine is housed in a closed compartment, the
undersideofwhichisthebottom(hull)oftheboat.
The enclosed engine compartment limits the ventilation
of gasoline and oil fumes. Because conned gasoline vapors
mixed with a little air can form an explosive atmosphere, it is
important to be especially vigilant in performing the following
two operations:
Step 1:Run your bilge blowerfor at least four(4) minutes to
ventilate the bilge area each time before starting the
engine.
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