Yamaha F20A Manuel D'utilisation page 142

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605014*
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EMU00348
8 Flushing with the Flushing Attachment
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Before using the flushing attachment,
remove the propeller. Keep yourself and
others away from the propeller shaft.
1) Fit the flushing attachment 1 (option)
in position on the lower casing, with
rubber cups covering the cooling
water inlet.
2) Connect a garden hose between the
flushing attachment and the water
tap.
3) Shift into "NEUTRAL", and start the
engine while supplying water.
4) Run the engine at low speed for a few
minutes.
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