Tohatsu MFS9.9E

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Ontario
Overview

The Tohatsu MFS9.9 EFI combines lightweight design with exceptional performance, delivering the power, efficiency, and reliability boaters expect from Tohatsu. It offers impressive torque and strong top-end speed for confident performance across a wide range of boating applications.

Featuring Tohatsu's battery-less Electronic Fuel Injection (EFI) system, the MFS9.9 EFI provides reliable starting, quick throttle response, and smooth acceleration throughout the entire RPM range.

Available in 15", 20", and 25" shaft lengths, the MFS9.9 EFI is designed to fit a variety of boats and applications. Select models are also available with Power Tilt, making operation more convenient while reducing the effort required to trim the engine.

With lightweight construction, battery-less EFI technology, exceptional fuel economy, and Tohatsu's proven reliability, the MFS9.9 EFI is built to help you spend more time on the water—and less time at the fuel dock.

 

Model
MFS9.9E
Category Name
Outboard Engines
Year
2027
Sale Type
New
Manufacturer
Tohatsu
Color
Aqua Marine Blue
Fuel
Unleaded Gasoline (87 Octane)
Output
9.9 hp (7.3 kw)
Weight
95 lbs. (43 kg)
Fuel Tank
3.1 US Gal. (12 Lit) Separate Fuel Tank (Tiller models)
Gear Ratio
2.15:1
Gear Shift
Forward - Neutral - Reverse
Engine Type
2-Cylinder EFI
Control Type
Remote Control or Tiller Handle
Displacement
333 cc (20.32 cu.in.)
Oil Capacity
1.1 quarts. (1 L)
Bore X Stroke
61 x 57 mm (2.40 x 2.24 in)
Max. RPM Range
5,400 - 6,100
Transom Height
15", 20"
Starting System
Electric Starter or Manual
Fuel Consumption At W.O.T.
1.03 gal/hr (3.9 L/hr)
Province
Ontario

Tohatsu 9.9 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
  • Simpliq™ Technology - the result of continuous technological innovation fueled by the pursuit of nothing less than the very best
  • 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 recreational warranty and 2-year limited commercial warranty

High Performance and Easy Operation

  • Digital Electronic Control Unit (ECU) for quick 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
  • 12A alternator and rectifier*
  • 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 and tiller models 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 (tiller models)
  • Aluminum propeller

Warning & 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

Multi-Function Tiller HandleTohatsu MFS9.9E

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 HandleTohatsu MFS9.9E

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

Fuel Water SeparatorTohatsu MFS9.9E

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 ImprovedTohatsu MFS9.9E

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 MaintenanceTohatsu MFS9.9E

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

 

Tohatsu MFS9.9E

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