Tohatsu 15HP 4-stroke

Tohatsu does it's best to provide you with the best engine we possibly can. That’s why we have taken the 15 hp model and made it better! You can enjoy added features such as a larger displacement, from 328cc to 351cc, and enhanced motor mounts from this durable 15 hp 4-stroke engine. Go ahead; put the engine to the test! You won’t regret it!

Power Tilt!  We’ve added Power Tilt to our remote steering/throttle models, to provide you even greater operating convenience. This engine offers the same features as all of our 15hp models plus an added power tilt feature for greater operating convenience. As with our other engines, you can count on it to deliver the same reliability our reputation was built on.

Tohatsu 15 hp 4-Stroke Benefits:

  • Battery-less Electronic Fuel Injection (EFI) operation
  • Light and compact!
  • Advanced EFI for smooth operation, easier starting and increased fuel efficiency
  • “Light Weight ECO Sport” development and design concept
  • Simpliq™ Technology - the result of continuous technological innovation fueled by the pursuit of nothing less than the very best
  • Designed with innovative technology
  • Available in a wide variety of models
  • Canister style oil filter for easy replacement
  • A high quality, user-friendly fuel water separator
  • Greatly reduced vibration for a smoother and quieter ride
  • Ultra Low emission, EPA and CARB 3-Star rating approved
  • 5 Year limited Warranty

High Performance and Easy Operation:

  • Digital Electronic Control Unit (ECU) for immediate engine starting in all conditions, quicker throttle response and smoother trolling
  • Battery-less EFI with recoil starter on all models
  • Outboard is easier to lift and tilt into shallow drive because we’ve moved heavy components forward
  • Large alternator and rectifier for superior battery charging*
  • Multi-Function Tiller Handle: Stop Switch, Front Shift, Friction Adjusting Screw and Power Tilt Switch (PTS: on power tilt models only) integrated into the tiller handle for convenience
  • Remote control model available
  • Shallow water drive*
  • 90 degree turning radius
  • Adjustable steering friction for reducing steering effort*

Fundamentals for User Convenience and Reliability:

  • Through-the-prop exhaust for a quieter ride
  • Thermostatically controlled cooling system for consistent engine temperature
  • Stainless steel water pump housing liner for outstanding durability
  • High grade marine aluminum alloy that provides the ultimate protection against corrosion
  • Zinc coating on internal water passages for superior corrosion resistance
  • 3.1 gallon (12 liter) fuel tank including fuel fittings and fuel line
  • Aluminum propeller


  • Low oil pressure warning (visual and audible**)
  • Safety lanyard (an essential protection feature standard on all Tohatsu outboards)
  • Start-in-gear protection for safer engine starting
  • Over-rev. limiter
* Certain models ** Remote control models

Model / MFS15 EFI

Engine (No. of Cylinder) 2
Output 15 hp (11 kw)
Displacement 333 cc (20.32
Bore x Stroke 61 x 57 mm (2.4 x 2.24 in)
Starting Electric or Manual
Control Type Remote Control or Tiller Handle
Gear Shift Forward - Neutral - Reverse
Gear Ratio 2.15:1
Propeller Selection Range 6" - 10"
Transom Height 15" - 20"
Fuel Unleaded Gasoline (87 Octane)
Oil Type NMMA Certified FC-W® 4-stroke oil**
SAE 10W-30/40 (SF, SG, SH, SJ)
Oil Capacity 1.07 qt. (1 L)
Fuel Tank 3.1 US Gal. (12 Lit) Separate Fuel Tank
Weight* 94.7 lbs. (43 kg)
Alternator Output Optional: 12V, 145W, 12A
(Standard on Electric Start Models)
Max. RPM Range 5,400 - 6,100
Digital CD Ignition System S
Start In Gear Protection S
Thermostat Controlled Cooling System S
Through-The-Prop Exhaust S
Shallow Water Drive S
Oil Pressure Warning S
Power Tilt O
S......Standard Features
O......Optional on Certain Models

* Weight specification is based on the lightest version.
** FC-W® is a registered trademark of the National Marine Manufacturers Assoc. (NMMA)
Specifications and descriptions are subject to change without notice.