Yamaha SUPERJET 700 2005 Owner's/Operator's Manual page 77

1. Put the watercraft on land in a horizontal
position.
2. Insert the garden hose adapter 2 into
the flushing hose connector 1.
3. Connect the garden hose adapter to a
water tap using a hose.
4. Start the engine, and then immediately
turn the water supply on until water flows
out continually from the cooling water
pilot outlet.
5. Run the engine at idling speed for about
3 minutes watching the engine condition.
If the engine stops while flushing, turn
the water supply off immediately and
repeat the above steps.
6. Turn the water supply off, and then force
the remaining water out from the cooling
water passages by alternately squeezing
and releasing the throttle lever for 10 to
15 seconds.
7. Stop the engine.
8. Remove the garden hose adapter.
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