Pre-Season Check - TOHATSU MFS 25B Owner's Manual

70
INSPECTION AND MAINTENANCE
4. Remove the spark plugs and spray
storage oil (available from an autho-
rized dealer) into the combustion
chamber through the spark plug holes
while slowly turning the motor over
using the recoil starter.
5. Change the engine oil.
6. Change the gear oil in the gear case.
7. Apply grease to the propeller shaft.
8. Apply grease to all sliding parts, joints,
nuts, and bolts.
9. Stand the outboard motor up vertically
in a dry place.
ENOW00097-0
WARNING
Be sure to use cloth to remove fuel remain-
ing in the cowl and dispose of it in accor-
dance with local fire prevention and
environment protection regulations.
ENOM00102-0
Battery
1. Disconnect the battery cables.
2. Wipe off any chemical deposits, dirt, or
grease.
3. Apply grease to the battery terminals.
4. Charge the battery completely before
storing it for the winter.
5. Recharge the battery once a month to
prevent it from discharging and the
electrolyte from deteriorating.
6. Store the battery in a dry place.
ENOM00103-0
Electric Starter Motor
Coat the internal pinion gears and the
shaft of the electric starter motor with
grease.
Do not put grease on the teeth of the
starter pinion or flywheel or increased wear
or damage will occur.
ENOM00104-0

4. Pre-season check

1. Check that the shift and throttle func-
tion properly.
(Be sure to turn the propeller shaft
when checking the shift function or
else the shift linkage may be dam-
aged.)
ENON00034-0
Notes
The following steps must be taken when
first using the engine after winter storage.
1. Fill fuel tank completely.
2. Warm up the engine for 3 minutes in the
"NEUTRAL" position.
3. Run the engine for 5 minutes at the
slowest speed.
4. Run the engine for 10 minutes at half
speed.
In Steps 2 and 3 above, the oil used for
storage inside the engine will be flushed out
to assure optimum performance.
2. Check the electrolyte level, and mea-
sure the voltage and specific gravity of
the battery.
Specific Gravity Terminal Voltage
at 20° (V)
1.120 10.5
1.160 11.1
1.210 11.7
1.250 12
1.280 13.2
3. Check that the battery is secure and
t h e b a t t e r y c a b l e s a re p r o p e r l y
installed.
Charge Condition
Fully discharged
1/4 charged
1/2 charged
3/4 charged
Fully charged