Yamaha F25A, Owner'S Manual

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4-8
GB
EMU00345
Flushing Cooling System
c C
Do not run the engine without supplying
the engine cooling water. Either the
engine water pump will be damaged or
the engine will overheat and be dam-
aged. Before starting the engine, supply
water to the cooling water passage.
605024
q
w
EMU00346
8
Flushing in a Water Tank
1) Install the outboard motor on the
water tank.
2) Fill the tank with fresh water to above
the level of the anti-cavitation plate.
3) Shift into neutral and start the engine.
4) Run the engine at low speed for a few
minutes.
c C
If the fresh water level is below the level
of the anti-cavitation plate, or if the water
supply is insufficient, engine seizure may
occur.
1
Water surface
2
Lowest water level
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