Fuel Recommendations; Cooling System Cleaning And Flushing - Honda BF15A Owner's Manual

SERVICING YOUR HONDA OUTBOARD MOTOR
FUEL RECOMMENDATIONS
Use unleaded gasoline with a pump octane rating of 86 or higher.
These outboard motors are certified to operate on unleaded gasoline. Un-
leaded gasoline reduces fewer engine and spark plug deposits and extends
exhaust system ife.
P
Never use stale or contaminated gasoline or an oil/gasoline mixture. Avoid
getting dirt or water in the fuel tank.
Occasionally you may hear Ii
noise) while operating under \
ht "spark knock" or "pinging" (metallic rapping
eavy loads. This is no cause for concern.
If spark knock or pinging occurs at a steady engine speed, under normal load,
change brands of gasoline. If spark knock or pinging persists, see an
authorized Honda marine dealer.
Running the engine with persistent spark knock or pinging can cause engine
damage.
Running the engine with persistent spark knock or pinging is misuse., and the
Distributor's Limited Warranty does not cover parts damaged by misuse.
COOLING SYSTEM 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.
l
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.
Running the engine without water can cause serious en
overheating. Be sure that water flows from the water c s:
ine damage due to
eck hole while the
engine is running. If not, stop the engine and determine the cause of the
problem.
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