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23
POWER THAT AIMS TO PLEASE
Make the most of your time on the water with
Mercury FourStrokes’ best-in-class performance.
❖
In-line engine design is inherently smooth for
refined power and performance.
❖
A single overhead cam configuration and long-
stroke design increase torque for excellent
acceleration, even with heavy loads.
❖
Power trim and tilt allows you to maximize
your boat’s performance quickly and easily.
A NO-BRAINER
Easy to enjoy. Easy on the environment.
❖
New Precision Engineered Shift system
delivers smooth shifting for an improved
driving experience.
❖
Through-prop exhaust delivers quiet, smoke-
free operation.
❖
EFI improves fuel flow control and efficiency.
Less fuel consumed is good news for the
environment.
CONFIDENCE COMES STANDARD
Worry-free, maintenance-free, hassle-free. It’s easy
to relax with durable, reliable Mercury FourStrokes.
❖
More stainless steel parts, hard anodizing and
an exclusive multistep paint process provide
corrosion protection so good we guarantee it.
❖
EFI delivers consistent, surefire starting and
performance under all conditions.
60 hp EFI BigFoot
50 hp EFI BigFoot
40 hp EFI BigFoot
60 hp EFI
50 hp EFI
40 hp EFI
40 hp Manual
STEP UP
TO BIGFOOT
22
HAVE BOATLOADS OF FUN
Source: Mercury Marine Engineering Dept. – October 2005. Test conducted on a 17' aluminum bass boat using a Mercury 50 hp EFI
FourStroke and a Mercury 50 hp two-stroke. Assumptions: Engines are run at 100 hours per year over five years. Price of gas is
US $4.00 per gallon/ US $1.06 per liter.
Go to MercuryMarine.com
For head-to-head engine tests,
boater interviews and other videos,
SEE WHAT MAKES MERCURY FOURSTROKES A POPULAR SOURCE OF RECREATIONAL POWER
Engine Type: In-line 4 60.8 cu in (995 cc) In-line 3 45.6 cu in (747 cc)
Weight: 247 lb (112 kg) 216 lb (98 kg) 204 lb (93 kg)
Steering: Remote or tiller kit Tiller
Warranty: Three-year limited, nondeclining factory-back
ed
Induction: 2-valve single overhead cam design
Shaft Length: 15" (381 mm)(40 EFI, 40), 20" (508 mm)
CARBStar Rating:
3
Engine Type: In-line 4 60.8 cu in (995 cc)
Weight: 247 lb (112 kg), 260 lb (118 kg)(40 EFI BF)
Steering: Remote or tiller; Remote (BF) or tiller kit
Warranty:
Three-year limited, nondeclining factory-backed
Induction: 2-valve single overhead cam design
Shaft Length: 20" (508 mm), 25" (635 mm)(60 EFI BF)
CARBStar Rating:
3
60 hp EFI BigFoot 50 hp EFI BigFoot 40 hp EFI BigFoot
60 hp EFI 50 hp EFI 40 hp EFI 40 hp
WHY CHOOSE FOUR-STROKE
OVER TWO-STROKE?
Big-time power. With a longer design and bigger components,
Mercury BigFoot was made specifically to
deliver the type of
power, thrust and control that wider, heavier boats demand.
❖
20% larger prop
increases control especially at low speeds.
❖
Taller gearcase
puts the prop deeper, below turbulent water,
for improved performance.
❖
A low 2.33:1 gear ratio
delivers thrust and maneuverability that
big loads demand.
❖
Oversized Antiventilation Plate
Oversized design prevents air from being drawn
into the prop, which increases efficiency.
Mercury 50 hp EFI FourStroke vs. a Conventional 50 hp Two-Stroke
❖
At cruise, EFI FourStroke is
39% more fuel-efficient.
❖
FourStroke offers 63 more miles
(101 km) of range per 21-gallon
(80-liter) tank
.
❖
Over five years, 50 hp FourStrokes
could save you nearly US
$
1,300
on fuel and oil alone.
❖
FourStrokes cost less to maintain
thanks to the proven EFI system,
longer spark life and none of the
gumming, decarbonization or ring-
and-cylinder issues of carbureted
two-strokes.
❖
60 – 40 hp FourStrokes tout
an environmentally friendly
CARB three-star ultra-low
emissions rating.
❖
EFI improves fuel flow
control and overall efficiency.
❖
Exceptional fuel economy
decreases the impact on the
environment.
❖
Experience better fuel efficiency,
reduced emissions and a
smoother ride,
without sacrificing
power or performance.
❖
At top speed, Mercury 50 hp
FourStroke was nearly 1.5 mph
(1.9 kmh) faster
and within
2.8 seconds of its sister two-stroke
from 0 – 20 mph (0 – 32 kmh).
❖
Through-prop exhaust is smoke-
free and up to 30% quieter than
a conventional two-stroke.
COST SAVINGS CLEANER FOURSTROKE PERFORMANCE
For info on our EFI 40 hp
FourStrok
e Jet model see page 31.
The BigFoot Difference
(Green shaded areas represent prop and gearcase advantages)
MORE FEATURES,
MORE FUN
22
Superior power, efficiency
and performance maximize
your boating pleasure