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TOHATSU 50 User Manual

TOHATSU 50
99 pages
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TOHATSU
OUTBOARDS
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TOHATSU 50 Specifications

General IconGeneral
Ignition SystemCDI
Gear Ratio2.08:1
Fuel InductionCarburetor
Full Throttle RPM Range5000 - 6000 RPM
Fuel Induction SystemCarburetor
Starting SystemElectric
SteeringRemote or Tiller
Output50 HP
Weight95 kg (209 lbs)
Oil TypeTCW3
Fuel Tank Capacity25 L
Shaft Length20 inches
WOT Range5000 - 6000 RPM

Summary

Owner Registration and Identification

Warranty Information

Details about the product warranty coverage and limitations.

Serial Number Recording

Instructions for recording the engine's serial number for identification.

Message to the Customer

A welcoming message and guidance for new owners.

Safety Notices and Warnings

General Safety Precautions

Important warnings and cautions for safe operation.

Emergency Stop Switch Function

Explanation and recommendation for using the emergency stop switch.

Servicing, Parts, and Lubricants

Authorized Servicing and Parts

Guidelines on using authorized service shops and genuine parts.

Maintenance Responsibilities

Owner's role in maintaining the outboard engine.

Engine Installation on Boat

Engine Mounting Procedures

Step-by-step guide for installing the outboard engine on the boat, including single/twin setup and transom height.

Stern Bracket Mounting Details

Technical diagrams and dimensions for mounting the stern bracket.

Remote Control Box Installation

Remote Control Box Setup

Procedures for positioning, mounting, and determining cable length for the remote control box.

Cable and Harness Connections

Steps for connecting remote control cables, cords, and harnesses to the engine.

Meter and Gauge Installation

Guide for securely installing dashboard meters and gauges.

Fuel and Engine Oil Management

Fuel and Oil Specifications

Recommended fuel type, octane rating, and engine oil for the outboard.

Fuel Mixing Ratios and Break-in

Details on fuel-oil mixing ratios for different models and break-in periods.

Low Engine Oil Level Warning

Explanation of the low oil level alarm and its reset procedure.

Engine Running Procedures

Break-in and Initial Operation

Recommended steps for breaking in the new engine.

Engine Starting Methods

Instructions for starting the engine using electric or manual methods.

Engine Warm-up and Overheating

Procedure for warming up the engine and addressing overheat warnings.

Engine Operation Modes

Forward and Reverse Operation

How to operate the engine in forward and reverse gears.

Shallow Water Running Techniques

Procedures for operating the engine in shallow water conditions.

Safe Engine Stopping Procedures

Correct methods for shutting down the engine to prevent damage.

Trim Adjustment Guide

Setting Optimal Trim Angle

How to adjust the trim angle for optimal boat performance.

Trim Meter Usage

Instructions for reading and using the trim meter for adjustments.

Mooring and Engine Tilting

Mooring with Engine Tilted

Procedures for tilting the engine up for mooring or storage.

Manual Tilting Operation

How to tilt the engine manually if power trim fails.

Engine Dismounting

Dismounting Engine from Boat

Steps for safely removing the engine from the boat.

Adjustments and Settings

Control Lever and Trim Tab Adjustments

Adjusting remote control lever load and trim tab for performance.

Steering and Throttle Grip Adjustments

Adjusting steering resistance and throttle grip turning load.

Inspection and Maintenance Schedule

Daily Inspection Checklist

Items to check before and after each use of the engine.

Periodic Maintenance Tasks

Key maintenance tasks like changing oil, cleaning filters, and checks.

Seasonal Storage Procedures

Engine and Battery Winter Storage

Preparing the engine and battery for off-season storage.

Pre-Season Engine Check

Battery and System Checks

Verifying battery health, oil filter, and control functions before use.

Troubleshooting and Problem Solving

Engine Submersion and Cold Weather

Procedures for submerged engines and cold weather operation.

Comprehensive Troubleshooting Guide

A list of common engine problems and their suggested remedies.

Included Accessories and Parts

Servicing Tools and Spare Parts

List of tools and spare parts provided with the engine.

Propeller Selection Guide

Choosing the Optimal Propeller

Guidance on selecting the appropriate propeller based on boat type and load.

Optional Accessories

Additional Gauges and Meters

Information on optional gauges like speedometer, tachometer, and fuel meter.

Wiring Diagram Information

Electrical Component Identification

Identification of numbered electrical components in the wiring diagram.

Wire Color Code Key

Explanation of wire colors used in the electrical diagrams.

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