TOHATSU MX 50D2 User Manual

ENGINE OPERATION20
5
In case engine starts in gear, do not start
cruising. Stop engine immediately and con-
sult an authorized dealer.
Note
The engine will not start unless the switch
lock has been properly connected into the
emergency stop switch.
Do not operate the engine with gear case
out of water.
Severe personal injury, or engine damage
will result.
Never fill up portable fuel tanks on board to
avoid fire or explosion resulting from
spilled gasoline. If gasoline is ever spilled
on board, wipe it up thoroughly. Fuel tanks
must always be filled up on land.
Preparations
1 Loosen the air vent screw on the tank
cap.
2 Connect the fuel connector to the
engine.
1. Starting
WARNING
WARNING
CAUTION
ENGINE OPERATION
MWX50D2_E.book Page 20 Thursday, August 18, 2011 5:29 PM

TOHATSU MX 50D2 Specifications

General

Engine Type	2-Stroke
Starting	Manual
Gear Ratio	2.08:1
Fuel Type	Gasoline
Oil Type	2-stroke engine oil
Shaft Length	15 inches

Summary

General Safety Information

Safety Warnings and Symbols

Explains DANGER, WARNING, CAUTION, and Note indicators for critical information.

Emergency Stop Switch and Safe Operation

Details the emergency stop switch function and general safe boat operation practices.

Servicing, Maintenance, and Mounting

Outlines recommendations for authorized service, owner maintenance duties, and proper motor mounting.

Specifications

Names of Parts

Installation

Mounting the Outboard Motor on Boat

Instructions for positioning and securing the outboard motor to the boat transom.

Propeller Selection Guide

Guidance on choosing a propeller for optimal engine performance at wide open throttle.

Pre-Operating Preparations

Recommended Gasoline Types

Specifies the type of unleaded gasoline required for optimal engine performance and longevity.

Recommended Engine Oil

Details the type of two-stroke engine oil and fuel-to-oil mixing ratios for operation and break-in.

Break-in Procedure

Outlines the necessary steps for breaking in a new outboard motor for proper component seating and longevity.

Engine Operation

Starting and Warming Up

Procedures for safely starting the engine and warming it up to operating temperature.

Operating Modes and Conditions

Covers forward/reverse engagement, shallow water running, and mooring procedures.

Engine Stopping and Trim Adjustment

Proper engine stopping methods and how to adjust the trim angle for optimal boat handling.

Removing and Carrying the Outboard Motor

Removing the Outboard Motor

Steps required to safely detach the outboard motor from the boat for transport or storage.

Carrying and Storing the Outboard Motor

Guidelines for safely transporting and storing the outboard motor, including preparation steps.

Trailering

Adjustment

Trim Tab Adjustment

How to adjust the trim tab to balance steering loads for straight running.

Steering Load Adjustment

Adjusting the steering resistance for comfortable and safe operation.

Throttle Grip Turning Load Adjustment

Adjusting the friction on the throttle grip for smooth control and preventing accidental movement.

Inspection and Maintenance

Daily Inspection and Checks

Daily checks to perform before and after using the outboard motor for safety and performance.

Basic Maintenance Procedures

Covers washing the motor, and replacing propellers and spark plugs.

Scheduled and Seasonal Maintenance

Outlines periodic servicing, anode inspection, gear oil change, cleaning, storage, and pre-season checks.

Incident Response and Precautions

Procedures for checks after impact, engine submersion, and precautions for cold weather operation.

Troubleshooting

Tool Kit and Spare Parts

Optional Accessories

Propeller Table

Wiring Diagram