TOHATSU MFS 25D Owner's Manual page 70

70
INSPECTION AND MAINTENANCE
1. Fully tilt down the outboard motor.
2. With the propeller removed, seal the
sub-water inlet with a tape to prevent
air from being sucked into the water
pump.
1. Sub-water inlet
2. Tape
3. Install the gear case flushing device
on gear case so that the rubber cups
cover the cooling water inlets tightly.
4. Connect a water hose to the flushing
devise and turn on the water and
adjust the flow so that excess water
continues leaking out from around
the rubber cups to ensure the engine
is receiving an adequate supply of
cooling water.
10
1
1. Gear case flushing device
1
2
ENOF02559-0
ENOF01420-C
5. Place the shift lever in the neutral
position and start the engine and run
at idle speed for 3-5 minutes.
6. Check if a steady stream of water
flows from the cooling water check
port.
7. Stop the engine and turn off the
water. Remove the flushing devise and
tape. Install the propeller.
8. Leave the outboard motor in vertical
position to completely drain the cool-
ing water from the outboard motor.