Honda BF9.9A Owner's Manual page 39

Cleaning and flushing
After each use in salt water or dirty water, thoroughly clean and flush
the outboard motor.
l
For safety, the propeller must be removed.
. Be sure the outboard motor is securely mounted, and do not leave
it unattended while running.
l
Keep children and pets away from the area, and stay clear of
moving parts during this procedure.
(NOTICE1
Running the engine without water can cause serious engine damage
due to overheating. Be sure that water flows from the water check
hole while the engine is running. If not, stop the engine end
determine the cause of the problem.
(With water hose joint)
1. Wash the outside of the outboard
motor with clean, fresh water.
2. Remove the flush bolt.
3,Flush the cooling system, using
the water hose joint.
a.Attach a hose from a fresh
water faucet to the water hose
joint.
b. Remove the propeller.
c. Turn on the fresh water supply
to the hose.
d.Start the engine and run in
neutral at idle for
at
least 10
minutes.
WATER HOSE JOINT
37