Pre-Season Check - TOHATSU M 9.9 Owner's Manual

4. Pre-season check

1 Check that the shift and throttle
function properly.
(Be sure to turn the propeller shaft
when checking the shift function or else
the shift linkage may be damaged.)
Notes
The following steps must be taken
when first using the engine after winter
storage.
1 Fill up the fuel tank completely with
25 liters (6.6 U.S. gals.)
Mixing ratio : Gasolne 25 : 1 Engine
oil
Use unleaded gasoline and genuine
Outboard Motor Oil. If this oil is
not available, use NMMA TC-W3
certified outboard motor oil.
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
measure the voltage and specific
gravity of the battery.
INSPECTION AND MAINTENANCE
Specific Terminal
Gravity at 20 °C Voltage (V)
1.120 10.5
1.160 11.1
1.210 11.7
1.250 12.0
1.280 13.2
3 Check that the battery is secure
and the battery cables are properly
installed.
53
Charge
Condition
Fully
discharged
1/4 charged
1/2 charged
3/4 charged
Fully charged
9