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SportsBoat_F5K13.book Page 182 Tuesday, June 13, 2023 5:43 PM

Care and storage

(2) Apply dielectric grease or petroleum jelly Long-term storage
to the battery terminals and to all ex- Storing your boat for prolonged periods of
posed connectors. time, such as winter storage in freezing tem-
(3) If the battery will be stored for a longer perature, requires preventative maintenance
period, check its state of charge (use a to ensure against deterioration. It is advisable
hydrometer or a voltmeter and load tes- to have the boat serviced by an authorized
ter) at least once a month and recharge Yamaha Boat Dealer before storage. Howev-
the battery if it gets too low. er, the following procedures can be per-
formed by the owner with a minimum of tools.
To charge the battery:
(1) Remove the caps from the cells. Add dis- Fuel system
tilled water if necessary to top up the Fill the fuel tank with fresh fuel, adding one
electrolyte to the proper level. ounce of Fuel Med RX, available from your
(2) Follow the battery manufacturer’s in- Yamaha Boat Dealer, to each gallon of fuel or
structions for charging. WARNING! use an equivalent according to the manufac-
When charging a battery, keep it well ture’s instructions. (See page 137 for infor-
away from sparks and open flames, as mation on filling the fuel tank.) Do not “top
it gives off explosive gases. When us- off” the tank, because fuel could spill. A full
ing a battery charger, connect the bat- fuel tank is less likely to allow condensation
tery to the charger before you turn on to collect in the tank, reducing the chance of
the charger. This will prevent sparking contaminated fuel. Running the engines with
at the terminals that could ignite bat- treated fuel during cooling system flushing
tery gases. will also help protect the fuel system.
To install the battery: TIP:
(1) Place the battery in the battery holder, Use of Fuel Med RX eliminates the need to
and then fasten the battery using the bat- drain the fuel system. Consult a Yamaha Boat
tery strap. Dealer or other qualified mechanic if the fuel
(2) Connect the positive (+) battery lead (red) system is to be drained instead.
to the positive (+) battery terminal.
NOTICE: Reversal of the battery leads Lubrication
will damage the electrical parts. It is advisable to take the boat to a Yamaha
(3) Connect the negative (–) battery lead Boat Dealer to have the engines fogged for
(black) and the ground lead (black) to the long-term storage.
negative (–) battery terminal.
(4) Make sure that the battery is securely Grease points
held in place. To keep moving parts sliding or rotating
smoothly, coat them with water-resistant
grease.

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