Mercury MerCruiser
3.0L TKS Alpha I (One) (135-hp)
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Mercury MerCruiser 3.0L TKS Alpha I (One) (135-hp) Mercury MerCruiser 3.0L TKS Alpha I (One) (135-hp)
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.

Key Features

  • Compatible Drives: Alpha
  • 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 ma
  • 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.

Mercury MerCruiser 3.0L TKS Alpha I (One) (135-hp) (Inboard) Specifications
Horsepower 135-hp
Warranty 3 Years
Displacement (cu/cc) 181.00 cu / 2,966.06 cc
Number of Cylinders 4 Cylinders
Configuration In-Line
Cooling System Raw Water
Weight (lbs/kg) 635.00 lbs / 288.03 kg
Charging System 65 A
Length/width/height 29 in / 26 in / 21 in
Full Throttle RPM 4800


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