Gas Carbureted
Gas Fuel Injected
Diesel
Performance Engines
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 Whether
you want to pull the kids around on water toys all day or host
an all-day cruise on your pontoon, the 3.0L has all the power
you need. Available with power steering and coupled with our
time-tested Alpha drive, it is one of the lightest, most dependable
and fuel-efficient engines in its class—and one of our
more popular models.
Four Cylinders - 3.0L
3.0L Specifications
- Propshaft Horsepower: 135 (101 kW)
- Displacement (Liter/CID): 3.0/181
- Cylinders: L-4
- Bore & Stroke (in/mm): 4.00 x 3.60/101 x 91
- Compression Ratio: 9.3:1
- Fuel System: 2-BRL
- Full Throttle RPM Range: 4400-4800
- Ignition Type: EST Analog
- Alternator: 70/988
- Length (in/cm): 34/87
- Width (in/cm): 23/59
- Height (in/cm): 20/51
- Weight (lbs/kg) - Alpha: 635/288
- Weight (lbs/kg) - Bravo One: N/A
- Weight (lbs/kg) - Bravo Two: N/A
- Weight (lbs/kg) - Bravo Three: N/A
Transmission Ratios
- Gear Ratio - Alpha Drive (primary/optional/high altitude):
2.0/-/2.4
- Gear Ratio - Bravo One (primary/optional/high altitude):
N/A
- Gear Ratio - Bravo Two (primary/optional/high altitude):
N/A
- Gear Ratio - Bravo Three (primary/optional/high altude):
N/A
Standard Features
- Painted cast-iron exhaust elbows
- Painted cast-iron exhaust manifolds
- Quick-drain oil system
- Single-point actuated water drain system
Optional Features
- Closed-cooling
- Compact hydraulic steering
- Power steering
- Mercathode® (Optional kit)
Boating Benefits
- Exclusive quick oil drain system that eliminates the need
for a pump, simplifying routine maintenance.
- The single-point manual water drain system with built-in
flush attachment that provides a convenient means for draining
water to prevent freeze damage.
- 70-amp alternator to handle the demands of today’s state-of-the-art
electronic components.
- Heavy-duty shafts and bearings that can handle even the harshest
marine environments.
- Power Trim XD with hydraulic memory that returns the drive
to the preset trim position if it comes into contact with underwater
objects.
- Exclusive greasable drive coupler that is accessible from
within the boat, reducing the amount of time your boat is out
of the water during routine maintenance.
- Exclusive drive lube monitor conveniently located atop the
engine for easy access.
- Antifeedback power steering that provides smooth steering
control.
- Compact hydraulic steering available for pontoon applications,
which is offered as a factory-installed option on the Alpha
drive packages.
- Exclusive Mercury MerCruiser® service dealer network.
 
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MerCruiser
SternDrives 