4-3
" Be sure to replace the cap secure-
ly after fogging the engine.
Otherwise water could enter the
engine and cause damage.
1) Open the cap ➀ on the carburetor
silencer cover of each engine.
2) With the Sport Boat in a well-venti-
lated area, start each engine. With
the engine running at a fast idle,
quickly spray as much Yamaha Stor-
Rite Fogging Oil or an equivalent, as
possible alternately into each carbu-
retor through the holes in the
silencer cover. Keep spraying until the
engine stalls (or a maximum of 15
seconds). Reinstall the cap secure-
ly.
3) Remove the spark plugs and pour
approximately one tablespoon of oil
into each cylinder.
4) Grease the spark plug threads and
reinstall the spark plugs.
5) Lubricate all cables such as the
throttle choke, and steering cables.
6) Grease the areas of the Sport Boat
specified in “Grease Points” in the
Adjustment And Maintenance sec-
tion.
BATTERY
1) When the Sport Boat is not to be
used for a month or more, remove
the battery and store it in a cool,
dark place. Clean the battery's cas-
ing and terminals using a mixture of
baking soda and water (one tbsp. of
baking soda to one cup of water).
Apply dielectric grease or petroleum
jelly to the battery terminals and to
all exposed connectors.
2) If the battery will be stored for a
longer period, check the specific
gravity of the fluid at least once a
month and recharge the battery if it
gets too low.
MAINTENANCE & CARE 4
Specific gravity: 1.28 at 20°C (68°F)
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