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the box with the water-and-baking-soda solution as is used
in cleaning the terminals. Rinse with fresh water and dry
with a cloth.
• Reconnect the positive terminal rst, then the negative.
Tighten the terminals. Coat both terminals completely with a
thin covering of marine grease. Be sure that the rubber boot
covers the positive terminal completely.
Note: e boat’s engine is designed to work with the standard
electronics installed in the boat. Adding other electrical com-
ponents or accessories can change the way the fuel injection
controls the engine or the overall electrical system functions.
Before adding electrical equipment, consult an authorized
MasterCra dealer’s service department. Otherwise, the en-
gine may not perform properly.
Add-on equipment may adversely affect the alternator output or
overload the electrical system. Such damage may not be covered
by the warranty.
If a replacement battery is required, be certain to select a marine
battery with at least seven-hundred-y (750) cold-cranking-
amps at zero degrees (0
o
) Fahrenheit. Before disconnecting the
battery, make sure the ignition key and all accessories are in
the OFF position. Also remember to re-attach the cables in the
proper order, with the negative cable connected to the negative
[-] post and the positive cable connected to the positive [+] post.
When charging, batteries generate small amounts of danger-
ous hydrogen gas. This gas is highly explosive. Keep all sparks,
ames and smoking well away from the area. Failure to follow
instructions when charging a battery may cause an electrical
charge or even an explosion of the battery, which could result in
death or serious injury.
MasterCra recommends the use of a spiral-cell type battery,
such as the Optima brand. ese batteries exceed other batteries
in holding and extending a charge.
Inspect the Throttle and Shift Cables for
Kinks, Wear and Interference (RTP-1 and Twin
MCX Installations Only)
Some engine parts become very hot during operation. This
inspection must be completed while the engine is cool to prevent
burns to your skin. Perform this task before starting the boat.
Step 1:
Ensure the engine is OFF and the engine safety starting
switch disconnected. Be certain that the throttle/shi
control lever is in neutral.
Step 2: Open the engine compartment and locate the throttle
and shi cables. Follow each cable back under the
oorboards and feel for any kinks and wear on the
outer jacket. Any sign of cable damage is cause for
replacement. See your authorized MasterCra dealer’s
service department.
Inspect the Propeller Shaft Log
for Water Entry
Aer approximately three (3)-to-ve (5) minutes of boat operation
in the water, shut o the engine and open the engine compartment.
Be careful to avoid burns from contact with hot engine parts. e
boat is equipped with a dripless sha log and if it is showing any
signs of dripping, the boat must be taken to an authorized Master-
Cra dealer’s service department for correction.
MasterCraft 2009 Owner’s Manual - Page 16-2