20 HP 4-Stroke Portable Outboard

Model MFS20

Powerful, yet lightweight, the 20 hp is a great choice for many boaters. You can expect this model to deliver the same level of performance that our other engines deliver. Plus with the low maintenance, fuel efficiency and durability of this 20hp why would you look anywhere else? Try the new 20 hp for the ultimate boating experience because you don't deserve anything less!

Power Tilt is available on many models. The 20 hp Power Tilt is ideal for inflatable, small fishing and pontoon boats. The uniquely designed engine improves functionality and convenience with its light and compact power tilt and transom bracket. Now you can tilt your motor out of the water with just a push of a button. Simplify your boating experience with a power tilt model.

Tohatsu 4-Stroke Benefits:

  • Sleek design
  • Light and compact!
  • Designed with proven technology
  • Advanced cross-flow induction for smooth operation
  • Available in a wide variety of models
  • Canister style oil filter for easy replacement
  • Larger capacity oil reservoir for optimum lubrication
  • Tuned intake system for crisp takeoffs
  • Trim tab reduces steering effort, functioning also as the sacrificial anode that protects the engine from electrolysis
  • Ultra-low emission, EPA and CARB 3-Star rating approved
  • 5 Year limited warranty

High Performance and Easy Operation:

  • Digital CD ignition for easier engine starting, quicker throttle response and smoother trolling
  • Recoil starter with larger reel making manual starting fast and easy
  • Large alternator and rectifier for superior battery charging*
  • Front mounted shift lever for easier operation
  • Remote control model available
  • Shallow water drive*
  • 6 trim positions*
  • 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 with fuel gauge
  • Aluminum propeller

Warning & Protection:

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

* certain models

** remote control models

Features

1

Engine Control Unit

Front Shift

The shift lever is located on the front of the motor for easier operation.

2

Engine Control Unit

Simple Steering Friction Lever

The steering friction lever, located at the front of the motor, allows the steering friction to be adjusted for both steady running at high speed and easier maneuvering while trolling.

3

Three step trolling speed control

Wide Anti-Cavitation Plate with Trim Tab

The wide anti-cavitation plate effectively restrains the propeller from cavitating. The large trim tab helps to achieve effortless steering at high speeds while also providing corrosion protection.

4

Three step trolling speed control

Air-silencer system

Our air-intake system has a large volume air silencer to ensure engine starting and to suppress air-intake noise during engine operation.

Specifications

Engine (No. of Cylinder) 2
Output 20 hp (14.7 kw)
Displacement 351 cc (21.41 cu.in.)
Bore x Stroke 61 x 60 mm (2.4 x 2.36 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 qt. (1000 mL)
Fuel Tank 3.1 US Gal. (12 Lit) Separate Fuel Tank
Weight* 114.4 lbs. (52 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

LEGEND:

  • 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.

    Dimensions

    Parts

    Parts Book Type Brand Model Book Year Book #
    Download 4-Stroke Nissan NSF20C 2008 002N21054-1
    Download 4-Stroke Tohatsu MFS20C 2008 002-21054-0
    Download 4-Stroke Tohatsu MFS20C 2008 002-21054-1
    Download 4-Stroke Tohatsu MFS20C 2010 002-21054-3
    Download 4-Stroke Tohatsu MFS20C 2011 002-21054-4
    Download 4-Stroke Tohatsu MFS20C 2012 002-21054-5
    Download 4-Stroke Tohatsu MFS20C 2013 002-21054-6
    Download 4-Stroke Tohatsu MFS20C 2014 002-21054-7
    Download 4-Stroke Tohatsu MFS20D 2015 002-21054-0AE

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