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TOHATSU MFS 50A - User Manual

TOHATSU MFS 50A
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MANUAL
40A
50A
MFS
OWNER’S
OB No.003-11105-0
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Table of Contents

Other manuals for TOHATSU MFS 50A

Questions and Answers

  • T
    Teresa GonzalezSep 23, 2025
    What causes the Power Trim & Tilt to be inoperative on a TOHATSU MFS 50A Outboard Motor?
    • A
      Amber BrownSep 23, 2025
      If the Power Trim & Tilt on your TOHATSU Outboard Motor is inoperative, inspect and replace the power trim & tilt switch or solenoid, as they may be defective.
  • R
    Rebecca BrownAug 23, 2025
    Why is my TOHATSU MFS 50A Outboard Motor difficult to start?
    • G
      georgelopezAug 25, 2025
      Several factors can cause a TOHATSU Outboard Motor to be difficult to start: * The fuel tank may be empty, in which case you should fill it. * There might be an incorrect connection in the fuel system, so verify all connections. * Air could be entering the fuel line; check for leaks. * A fuel hose might be deformed or damaged, requiring inspection and replacement. * The air vent on the fuel tank may be closed; open it. * The fuel filter or pump could be clogged, in which case you should replace them. * The fuel pump might be malfunctioning, requiring repair or replacement. * The fuel primer may not be supplying enough fuel, so ensure it is operating correctly.
  • J
    Jeremy HarveyAug 25, 2025
    What to do if the starter motor on my TOHATSU MFS 50A will not crank?
    • L
      lisatateAug 26, 2025
      If the starter motor on your TOHATSU Outboard Motor won't crank, ensure the motor is shifted into the neutral position. If that's not the issue, the ignition key switch may have failed and need replacement. Alternatively, the starter motor or starter solenoid may have failed, requiring service or replacement.
  • S
    Sarah MosesAug 26, 2025
    Why is my TOHATSU Outboard Motor engine difficult to start?
    • J
      jpierceAug 27, 2025
      If your TOHATSU Outboard Motor engine is difficult to start, several factors could be at play. First, ensure that your fuel tank isn't empty; if it is, refill it with the correct fuel. Also, verify that all connections in the fuel system are correctly made. Check for any air entering the fuel line and seal any leaks you find. If the fuel hose is deformed or damaged, replace it. Make sure the air vent on the fuel tank is open. Lastly, a clogged fuel filter or fuel pump could be the culprit, so clean or replace them as needed. If the fuel pump is malfunctioning, consider servicing or replacing it.
  • M
    Michael RichardsonAug 27, 2025
    How to troubleshoot a TOHATSU MFS 50A that is difficult to start?
    • S
      stephanierobinsonAug 27, 2025
      To address a TOHATSU Outboard Motor that's hard to start, begin by ensuring the fuel tank has an adequate supply of the correct fuel. Then, carefully inspect the fuel system connections to confirm they are properly connected. Check the fuel line for any air leaks and seal them. Replace any fuel hose that is deformed or damaged. Verify that the air vent on the fuel tank is open. If the issue continues, the fuel filter or fuel pump may be clogged and need cleaning or replacement. Should these steps not resolve the issue, the fuel pump may be faulty, and servicing or replacement may be necessary.
  • F
    fmillerSep 16, 2025
    Why does my TOHATSU MFS 50A engine run erratically?
    • C
      codygonzalezSep 16, 2025
      If your TOHATSU Outboard Motor engine runs erratically, begin by checking the fuel system connections to ensure they are correct. Inspect the fuel line for any air leaks and repair as needed. Replace any deformed or damaged fuel hoses. Ensure the air vent on the fuel tank is open. Clean or replace a clogged fuel filter or fuel pump. If the fuel pump is malfunctioning, have it serviced or replaced. Clean any dirt or soot from the spark plug, and inspect and rectify any spark issues. Check the electrical components and wiring connections for any issues. Finally, replace the spark plug if it's not the specified type.
  • L
    Lucas HarrisSep 13, 2025
    Why TOHATSU MFS 50A Outboard Motor battery will not hold charge?
    • M
      Ms. Michelle Gray DDSSep 13, 2025
      If your TOHATSU Outboard Motor battery won't hold a charge, it's likely due to a weak battery or loose/corroded battery connections. Check and clean the battery connections to resolve this issue.
  • J
    josephbenjaminSep 15, 2025
    What to do if the Power T & T is inoperative on my TOHATSU MFS 50A Outboard Motor?
    • V
      Veronica NorrisSep 15, 2025
      If the Power Trim & Tilt (T&T) is inoperative on your TOHATSU Outboard Motor, it could be due to a defective power trim & tilt switch or a defective solenoid. Check and replace any defective components.
  • K
    Kristen OlsonSep 5, 2025
    What to do if Power T & T is inoperative in TOHATSU MFS 50A?
    • T
      Tamara Jenkins PhDSep 5, 2025
      If the Power Trim & Tilt (T&T) is inoperative on your TOHATSU Outboard Motor, the power trim & tilt switch or the solenoid may be defective. Inspect and replace the defective switch or solenoid.
  • E
    Edward MeadowsSep 3, 2025
    What to do if starter motor will not crank on TOHATSU Outboard Motor?
    • R
      reidmatthewSep 3, 2025
      If the starter motor on your TOHATSU Outboard Motor won't crank, consider these potential causes: * The motor might not be shifted into neutral: Ensure the gear is in neutral. * There might be a weak battery or loose/corroded connections: Check the battery condition and connections. * The ignition key switch could be faulty: Replace the ignition key switch. * The starter motor or solenoid may have failed: Replace the faulty starter motor or solenoid.

Summary

General Safety Information

Safe Operation of Boat

Guidelines for safe operation of the boat and outboard motor.

Emergency Stop Switch

Information on the function and use of the emergency stop switch.

Personal Floatation Device

Recommendation for wearing a PFD while operating the boat.

Specifications

Parts Name

ET, EG (with multi-function tiller handle)

Identifies parts for ET/EG models with multi-function tiller.

ET (with RC)

Identifies parts for ET models with remote control.

Remote control box & Fuel tank (optional part)

Identifies components of the remote control box and fuel tank.

Label Locations

Warning Label Locations

Diagrams showing the placement of warning labels on the motor.

ECI (Emission Control Information) Decal Locations

Location of decals related to emission control information.

Installation

Mounting the Outboard Motor on Boat

Instructions for securely mounting the outboard motor onto a boat.

Remote Control Device Installation

Guidance on installing the remote control system components.

Battery Installation

Procedures and precautions for installing the boat battery.

Propeller Installation

Steps for correctly installing the outboard motor propeller.

Pre-Operating Preparations

Fuel Handling

Safety precautions and procedures for handling gasoline.

Engine Oil Recommendation

Guidelines on selecting the correct engine oil and its viscosity.

Break-In

Procedures for the initial break-in period of the new outboard motor.

Engine Operation

Fuel Feeding

Steps for supplying fuel to the engine before starting.

Starting the Engine

Procedures for starting the outboard motor.

Forward, Reverse, and Acceleration

How to shift gears and control acceleration.

Stopping the Engine

Instructions on how to safely stop the outboard motor.

Steering

Methods for steering the boat using the tiller or remote control.

Removing and Carrying the Outboard Motor

Removing the Outboard Motor

Steps for detaching the outboard motor from the boat.

Carrying the Outboard Motor

Safety precautions and methods for carrying the motor.

Storing the Outboard Motor

Proper procedures for storing the outboard motor.

Trailering

Tiller Handle Type

Specific precautions for trailering with a tiller handle motor.

Adjustment

Steering Friction

How to adjust the steering friction lever.

Trim Tab Adjustment

Procedure for adjusting the trim tab for better steering.

Inspection and Maintenance

Daily Inspection

Checks to perform before and after each use of the motor.

Periodic Inspection

Scheduled maintenance intervals and procedures.

Off-Season Storage

Steps for preparing the motor for long-term storage.

Battery

Instructions for battery maintenance and storage.

Pre-Season Check

Checks to perform before using the engine after winter storage.

Troubleshooting

Tool Kit and Spare Parts

Propeller Table

Emission Control System Information

Tampering and Modifications

Prohibitions against altering the emission control system.

Replacement Parts

Importance of using genuine parts for the emission control system.

Star Label

Explanation of the California Air Resources Board emission labels.

Limited Warranty Information

Things You Should Know About the Tohatsu Outboard Engine Limited Warranties

General information and terms of limited warranties.

TLDI Tohatsu Outboard Engine 5 Year Limited Warranty

Specific warranty coverage for TLDI outboard engines.

Four Stroke Tohatsu Outboard Engine 5 Year Limited Warranty

Specific warranty coverage for four-stroke outboard engines.

Consumer Assistance

Contact information and steps for seeking consumer assistance.

Periodic Maintenance Service Records

A logbook for recording scheduled maintenance services.

TOHATSU MFS 50A Specifications

General IconGeneral
BrandTOHATSU
ModelMFS 50A
CategoryOutboard Motor
LanguageEnglish

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