What horsepower is a 3.0 MerCruiser?

At wide open throttle, between 4,400 and 4,800 rpm, Mercruiser’s 1,040-pound 3.0 liter engine produces 135 horsepower.

Who makes the MerCruiser 3.0 engine?

GM produced 2 different 3.0L model marine engines up through 1994. They were both 3.0L Marine Engine models but had different cylinder heads which is where they got the different performance levels; 120 (large oval port head) and 140 Hp (small rectangular port head).

What type of engine is a 3.0 MerCruiser?

Mercury Diesel: 3.0L (150-270hp)

Power mhp / kW 270
Bore and stroke 3.27 x 6.62″ / 83 x 92 mm
Maximum RPM (WOT) 4200
Engine type V6
Displacement (L) 3.0L

How much does a MerCruiser 3.0 weight?


Type of Engine
Horse Power 135
Configuration In-line
Weight 635.00lbs
Fuel Type Gasoline

How many hours will a Mercruiser 3.0 last?

I fully expect 1500 hours, anything extra would be a bonus. Cooling system failures & corrosion usually kill the engine first. Stay on top of the impeller, risers, manifold & thermostat & you should be good to go. Re: ’02 Mercruiser 3.0 Life Expectancy?

How much does a 3.0 MerCruiser cost?

This is an overhead-valve inline Four of 3.0 liters and 135 hp, with two valves per cylinder and a 2-barrel carburetor. It runs happily on 87 octane gasoline. Connected to MerCruiser’s equally basic Alpha 1 sterndrive, the engine/drive unit weighs 635 pounds and costs just $6899. With 85 gal.

How many hours does a MerCruiser last?

Re: typical engine life on mercruiser No such thing as ‘typical’ when it comes to boats. Assuming regular maintenance done by a reputable professional, and assuming the boat gets used regularly and doesn’t sit around for long periods of time, and you don’t run all day at WOT, 1200-1500 hours should be easy to achieve.

What RPM should a 3.0 Mercruiser run?

Usually 3200 to 3500 rpm why would you want to plow water all day.

Are Mercruisers good engines?

The main reason boaters select Mercruiser is the engine’s reliability. Using an engine you can count on throughout your ownership is a big perk. Boaters also appreciate the Mercruiser’s fuel efficiency and performance.

Are MerCruiser engines reliable?