MFS15E

MFS15E

We do our best to provide you with the best engine we possibly can. That’s why we have taken our 15 hp model and made it better by introducing our MFS15hp Electronic Fuel Injection (EFI) which is the lightest 4-stroke battery-less EFI 15hp model in the industry! You can enjoy added features such as a higher power-to-weight ratio, which is the most important factor for small horsepower outboards. We also succeeded in drastically reducing sound level and vibration on our new 15hp EFI outboard. One major advantage of the EFI system is a quick startup with no choke needed and provides crisp acceleration throughout all RPM ranges as well as a significantly increased fuel efficiency at wide open throttle. 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 our 15hp EFI model 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.


WHERE TO BUY   OWNERS MANUAL

Tohatsu 15 hp EFI 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

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 includes fuel fittings and fuel line with fuel gauge on the cap
  • Aluminum propeller

Warning and Protection

  • 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*


Key Features

Multi-Function Tiller Handle

Stop Switch, Front Shift, Friction Adjusting Screw and Power Tilt Switch (PTS: on power tilt models only) are integrated into the tiller handle for convenience.

Stowable Carrying Handle

We’ve incorporated a carrying handle on the front that can easily be tucked away when not in use.

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Fuel Water Separator

A high quality, user-friendly fuel water separator is standard equipment on all EFI 20 | 15 | 9.9 motors. This unique yet simple fuel water separator doesn’t require the use of a single tool to drain the water.

Center of Gravity Improved

By moving heavy components (i.e. crankshaft, driveshaft) 30mm forward compared to the previous model, the tilting weight has decreased by 26% from the previous version, making it much easier for users to tilt manually.

Compact Fuel System Layout for Easy Maintenance

The Vapor Separator Tank (VST) has been designed to integrate the high pressure fuel feed pump, regulator, and fuel cooler into one component.


Engine 4 Stroke 2 Cylinder
Output 15 ps (11.0 kw)
Displacement 333 cc (20.32 cu.in.)
Bore x Stroke 61 x 57 mm (2.40 x 2.24 in)
Max. RPM Range 5,400 - 6,100
Starting Electric or Manual
Control Type Remote Control or Tiller Handle 
Gear Shift Forward -- Neutral -- Reverse
Gear Ratio 2.15:1 (12.26)
Propeller Selection Range 6" - 11.5"
Transom Height  15", 20"
Fuel Unleaded Gasoline (87 Octane)
Oil Type NMMA Certified FC- 4-stroke oil** SAE 10W-30/40 (SF,SG,SH,SJ)
Oil Capacity  1 L (1.06 qt.)
Fuel Tank 12 L (3.1 US Gal.) Seperate Fuel Tank
Weight * 43 kg (94.8 lbs.)
Alternator Output

Optional: 12V, 145W, 12A (Standard on Electric Start Models)

Electronic Fuel Injection Standard 
Digital ECU Controlled Ignition System Standard
Start In Gear Protection Standard
Thermostat Controlled Cooling System Standard
Through-The-Prop Exhaust Standard
Oil Pressure Warning Standard
Power Trim and Tilt Option

* 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.

Model Shaft Length Cylinders Electric Start Tiller Handle Remote Control 12V ChargingSystem Power Tilt Remote Fuel Tank Propeller
MFS15ES 15" 2   S       S S
MFS15EL 20" 2   S       S S
MFS15EEFS 15" 2 S S   S   S S
MFS15EEFL 20" 2 S S   S   S S
MFS15EEPS 15" 2 S   S S   S S
MFS15EEPL 20" 2 S   S S   S S
MFS15EEPTS 15" 2 S   S S S S S
MFS15EEPTL 20" 2 S   S S S S S

Standard Specifications subject to change without notice. Additional models and/or configurations may be available. Contact your local dealer for details.