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Honda Outboard Motor BF15A User Manual

Honda Outboard Motor BF15A
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2. Fuel Level
Check the fuel gauge and refill the tank if.the fuel level is low.
NOTE: Open the vent knob b’efore removing the fuel filler cap. When the
vent knob is firmly clbsed, the cap will be difficult to remove.
Your engine is designed to use any gasoline that has a pump oc-
tane number lR + M, of 86 or higher, or that has a research octane number
of 91 or higher.* Gasoline pumps at service station normally display the
pump octane number.
We recommend that you use unleaded fuel because it produces fewer
engine and spark plug deposits and extends the life of exhaust system
components.
Never use stale or contaminated gasoline or an oil/gasoline mixture. Avoid
getting dirt, dust or water in the fuel tank. Use of a lower octane gasoline
can cause persistent “pinging” or heavy “spark knock” (a metallic rapping
noise) which, if severe, can lead to engine damage.
CAUTION: If “spark knock” or “pinging” occurs at a steady engine speed
under normal load, change brands of gasoline. If spark knock or pinging
persists, consult your authorized Honda dealer. Failure to do so is con-
sidered misuse, and damage caused by misuse is not covered by Honda’s
Limited Warranty.
Occasionally you may experience light spark knock while operating under
heavy loads. This is no cause for concern, it simply means your engine is
operating efficiently.
Fuel tank capacity: 13 P (3.4 US gal)
FUEL GAUGE
After refueling, be sure to tighten the fuel tank cap firmly.
12

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Honda Outboard Motor BF15A Specifications

General IconGeneral
Displacement350 cc (21.4 cubic inches)
Horsepower15 HP
Cooling SystemWater cooled
Fuel DeliveryCarburetor
Ignition SystemCDI
Starting SystemManual or Electric
Gear Ratio2.08:1
Trim Positions5
LubricationWet sump
FuelUnleaded gasoline (86 octane)
Propeller3-blade aluminum
Gear ShiftF-N-R
Bore x Stroke59 mm x 64 mm (2.3 in x 2.5 in)
Full Throttle RPM Range5, 000-6, 000 RPM
Dry Weight46 kg
Oil Capacity1.1 L
Alternator6A, 12V
Shaft Length15" (Short), 20" (Long)
Fuel Tank Capacity12 L (External tank)
ExhaustThrough propeller hub

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