TOHATSU MES 4C Owner's Manual
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TOHATSU MES 4C Owner's Manual

TOHATSU MES 4C Owner's Manual

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OWNER'S
MANUAL
4C
MFS
5C
6C
OB No.003-11059-7

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Summary of Contents for TOHATSU MES 4C

  • Page 1 OWNER’S MANUAL OB No.003-11059-7...
  • Page 2 INJURY OR DEATH. KEEP THIS MANUAL IN A SAFE LOCATION FOR FUTURE REFERENCE. Copyright © 2009 Tohatsu Corporation. All rights reserved. No part of this manual may be reproduced or transmitted in any from or by any means without the express written...
  • Page 3 WILL NOT BE COVERED BY THE APPLICABLE LIMITED WARRANTY IF THIS PROCEDURE IS NOT FOLLOWED. PRE-DELIVERY CHECK Be sure that the product has been checked by an authorized TOHATSU dealer before you take delivery. Limited Warranty Please refer to the TOHATSU outboard motor Limited warranty provided to you with this product, the terms and conditions of which, as amended from time to time, are incorporated by reference into the manual.
  • Page 4 Serial Number : To You, Our Customer Thank you for selecting a TOHATSU outboard motor. You are now the proud owner of an excellent outboard motor that will service you for many years to come. This manual should be read in its entirety and the inspection and maintenance procedures described later in this manual should be followed carefully.

  • Page 5: Table Of Contents

    CONTENTS ■ GENERAL SAFETY INFORMATION ････････････････････････････････････ ■ SPECIFICATIONS ････････････････････････････････････････････････････ ■ NAMES OF PARTS ･･･････････････････････････････････････････････････ ■ INSTALLATION ･･････････････････････････････････････････････････････ 1.Mounting the outboard motor on boat ･････････････････････････････････ 2.Installing the remote control devices ･･････････････････････････････････ ■ PRE-OPERATING PREPARATIONS ････････････････････････････････････ 1.Recommended gasoline types ･･･････････････････････････････････････ 2.Recommended engine oil ･･･････････････････････････････････････････ 3.Break-in ･･････････････････････････････････････････････････････････...
  • Page 7 INDEX GENERAL SAFETY INFORMATION 1. SPECIFICATIONS 2. NAMES OF PARTS 3. INSTALLATION 4.PRE-OPERATING PREPARATIONS 5.ENGINE OPERATION 6.REMOVING AND CARRYING THE MOTOR 7.TRAILERING 8.ADJUSTMENT 9.INSPECTION AND MAINTENANCE 10.TROUBLESHOOTING 11.TOOL KIT AND SPARE PARTS 12.OPTIONAL ACCESSORIES 13.PROPELLER TABLE...

  • Page 8: General Safety Information

    GENERAL SAFETY INFORMATION NOTICE : DANGER/WARNING/CAUTION/Note Before installing, operating or otherwise handling your outboard motor, be sure to thoroughly read and understand this Owner's Manual and carefully follow all of the instructions. Of particular importance is information preceded by the words "DANGER,"...
  • Page 9 SAFE OPERATION OF BOAT As the operator/driver of the boat, you are responsible for the safety of those aboard and those in other boat around yours, and for following local boating regulations. You should be thoroughly knowledgeable on how to correctly operate the boat, outboard motor, and accessories.

  • Page 10: Specifications

    SPECIFICATIONS MODEL 4C(D) 5C(D) M6C(D) 5C(S) 6C(S) Item (Dual Tank) (Separate Tank) 519 (20.4) Overall Length mm (in) Overall Width mm (in) 323 (12.7) 1,053 (41.5) 1,039 (40.9) S mm (in) 1,180 (46.5) 1,166 (45.9) Overall Height S·L·UL L mm (in) UL mm (in) 1,307 (51.5) 1,293 (50.9)

  • Page 11: Names Of Parts

    NAMES OF PARTS 4C , 5C , 6C ① ⑱ ⑳ ⑲ ⑰ ⑯ ② ○ ○ ③ ④ ⑤ ⑮ ○ ⑥ ⑭ ⑬ ⑦ ⑫ ⑧ ⑪ ⑨ ⑩ ○ ○ ○ ○ ○ ○ ○ ○ ○ ①...

  • Page 12: Mounting The Outboard Motor On Boat

    INSTALLATION CAUTION 1. Mounting the outboard motor on boat ● Before beginning the running test, WARNING check that the boat with maximum capacity loading floats on the water in a proper attitude. Check the position Most boats are rated and certified of water surface on the driveshaft in terms of their maximum allowable housing.

  • Page 13: Installing The Remote Control Devices

    Clamp Screw WARNING When using other than Tohatsu's genuine remote control box, DO NOT select the Note one without neutral safety switch that prevents in-gear start.

  • Page 14: Pre-Operating Preparations

    1. Recommended gasoline types TOHATSU recommend the use of gasoline if its ethanol content is less than 10% or CAUTION methanol content is less than 5%, only in case alcohol free gasoline is not available.

  • Page 15: Recommended Engine Oil

    PRE-OPERATING PREPARATIONS and also accelerate rusting of engine parts. engine oil below. Mixing of the moisture in the engine oil 10W-30: is recommended for use in can also deteriorate the properties of the all temperature. lubricant. 25W-40: may be used at temperatures If the use of gasoline containing alcohol above 4˚C (40˚F).

  • Page 16: Break-In

    PRE-OPERATING PREPARATIONS 3. Break-in Your new outboard motor and lower CAUTION unit require break-in for the moving c o m p o n e n t s a c c o r d i n g t o t h e Operating the outboard motor without conditions described in the following break-in can shorten service life of the...

  • Page 17: Engine Oil Warning Lamp

    PRE-OPERATING PREPARATIONS 4. Engine oil warning lamp 5. ESG (A device preventing over revolution) Oil pressure is required to lubricate ESG is a device to prevent over internal engine parts. revolution of the engine (more than approximately 6,250 rpm). When the warning lamp (Red) is off, it indicates that oil pressure is present.

  • Page 18: Engine Operation

    ENGINE OPERATION Before starting Separate tank model ② Put fuel connector onto mating Before starting engine for the first time connector (engine side). after reassembling engine or off-season When using integral tank of dual tank model storage, disconnect stop switch lock ②...
  • Page 19 ENGINE OPERATION ④ Place the shift lever in the neutral ⑥ Pull the choke knob out. position. (Choke is not neccessary when the Be sure that the shift is in neutral engine is warm. Open the throttle when starting the engine. grip until the triangular mark.) This model is provided with start in CAUTION...
  • Page 20 ENGINE OPERATION ⑦ ･ P ull the starter handle slowly until If the recoil starter fails to operate you feel engagement. Then pull it quickly. Repeat if ① Remove the top cowl and the recoil necessary till started. starter. Wrap a rope around the When starting the engine, push the starter pulley then pull quickly to choke knob back slowly then return...

  • Page 21: Warming Up The Engine

    ENGINE OPERATION 2. Warming up the engine Engine speeds Idling speed after warming up. War m the engine at low engine Remark: In case of cold engine speeds for about three minutes. This starting, idling speed is increased allows the lubricating oil to circulate to about 300 rpm for several minutes.

  • Page 22: Forward And Reverse

    ENGINE OPERATION 3. Forward and reverse WARNING Before shifting into forward or reverse, Shift Lever make sure that boat is properly moored and outboard motor can be steered fully to the right and left. Make sure that no swimmer(s) is ahead or astern of the boat.

  • Page 23: Stopping

    ENGINE OPERATION CAUTION 4. Stopping Be sure to warm up engine well before starting cruise. Operating cold engine may cause damage to your motor. Stop Switch Lock Note Hock Idle speed may be higher during Stop Switch warming up of engine. If shifted to Forward or Reverse during warming up, it may be difficult to shift back to ①...

  • Page 24: Trim Angle

    ENGINE OPERATION WARNING 5. Trim angle ● Do not put hand or finger in between The trim angle of the outboard motor outboard motor body and clamp can be adjusted to suit the transom bracket when adjusting trim angle to angle of the hull, and load conditions.

  • Page 25: Tilt Up, Tilt Down And Shallow Water Operation

    ENGINE OPERATION Note MF, EF type ① Stop the engine. Stop the engine before adjusting trim ② Shift the outboard into neutral. angle. ③ Raise the engine to the tilt up position. ④ Change the thrust rod position. ⑤ Gentry lower the outboard. 6.

  • Page 26: Shallow Water Operation

    ENGINE OPERATION WARNING ● Do not put hand or finger in between outboard motor body and clamp bracket when adjusting trim angle to prevent injury in case the outboard Tilt･up･ motor body falls. position ● When tilting up outboard motor with Tilt･...
  • Page 27 ENGINE OPERATION WARNING ● Run at lowest possible speed when using shallow water drive. ● Tilt lock is disabled when in shallow water drive position. ● When driving shallow water, be careful not to strike outboard motor Tilt Lever against sea bottom, or propeller may be pushed out of water, Tilt Stopper resulting in loss of control.

  • Page 28: Removing And Carrying The Outboard Motor

    REMOVING AND CARRYING THE OUTBOARD MOTOR 1. Removing the outboard motor 3. Storing the outboard motor ① Stop the engine. Outboard motor should be stored in a ② Disconnect the fuel connector, vertical position. the remote control cables and the battery cords from the outboard Note motor.

  • Page 29: Trailering

    TRAILERING WARNING CAUTION Do not go under outboard motor tilted When trailering the outboard motor up even if it is supported by support should be in a vertical (normal running) bar, or accidental fall of outboard motor position, fully down. Trailering in the could lead to severe personal injury.

  • Page 30: Trailering ････････････････････････････････････････････････････････ 29 ■ 8 Adjustment

    ADJUSTMENT WARNING 1. Steering friction Do not overtighten the throttle grip or The steering friction can be adjusted remote control tensioner or it could result in accordance with your preference in difficulty of movement resulting in the by turning the steering adjust bolt. loss of control causing an accident and could lead to severe injury.

  • Page 31: Inspection And Maintenance

    INSPECTION AND MAINTENANCE Care of your outboard motor EPA Emissions Regulations To keep your outboard motor in the EPA (United States Environmental best operating condition, it is very Protection Agency) has emission important that you perform daily and regulations regulating air pollution periodic maintenance as suggested from new outboard motors.

  • Page 32: Daily Inspection

    INSPECTION AND MAINTENANCE 1. Daily inspection Perform the following checks before WARNING and after use. Do not use outboard motor if any abnormality is found during pre-operation check or it could result in severe damage to the motor or severe personal injury. Item Points to Check Remedy...
  • Page 33 INSPECTION AND MAINTENANCE Notes Maintaining engine oil If the engine oil is low, the life of the Consult with an authorized dealer engine will be shortened significantly. if the engine oil is milky color, or appears contaminated. ■ Checking oil level ①...
  • Page 34 INSPECTION AND MAINTENANCE ■ Use flushing attachment. Washing outboard motor If outboard motor is used in salt ① Remove propeller (refer to Propeller water, brackish water or water with a Replacement). Remove the water high acidic level, use fresh water to plug from the motor, and screw in remove salt, chemicals or mud from the flushing attachment.
  • Page 35 INSPECTION AND MAINTENANCE WARNING Replacing the propeller A worn-out or bent propeller will lower Do not hold propeller with hand(s) the motor's performance, and cause when loosening or tightening propeller engine trouble. nut. Put a piece of wood block between Before removing the propeller, remove propeller blade and anti-ventilation plate to hold propeller.
  • Page 36 INSPECTION AND MAINTENANCE ⑤ Attach spark plug and tighten to Replacing the spark plugs specified torque. WARNING Notes ● Do not reuse spark plug with damaged insulation, or sparks ◎ Spark plug torque : can leak through crack, potentially 18.0Nm(13.3ft-lb)(1.84kgf-m) leading to electric shock, explosion If a torque-wrench is not available and/or fire.

  • Page 37: Periodic Inspection

    INSPECTION AND MAINTENANCE 2. Periodic inspection It is important to inspect and maintain your outboard motor regularly. At each interval on the chart below, be sure to perform the indicated servicing. Maintenance intervals should be determined according to the number of hours or number of months, whichever comes first.
  • Page 38 INSPECTION AND MAINTENANCE Notes Your outboard motor should receive careful, and complete inspection at 300 hours. This is the best time for major maintenance procedures to be carried out. U s e o n l y h i g h q u a l i t y 4 - s t r o k e engine oil to insure performance and prolonged engine life.
  • Page 39 INSPECTION AND MAINTENANCE CAUTION Cleaning the fuel filters and the fuel tank You may be injured due to high engine Fuel filters are provided inside the fuel temperatures if you fill engine oil just tank and engine. after stopping. Changing engine oil should be done after the engine has WARNING been cooled.
  • Page 40 INSPECTION AND MAINTENANCE ■ Fuel filter (for fuel tank) Replacing gear oil Loosen the fuel pickup elbow shown at WARNING left, remove it and clean the fuel filter. ● Be sure that outboard motor is secured to transom or service stand, or accidental drop or fall of outboard motor could lead to severe personal injury.

  • Page 41: Off-Season Storage

    INSPECTION AND MAINTENANCE 3. Off-season storage until oil flows out of the upper plug hole. Before you put your outboard motor in storage, it is a good opportunity to have it serviced and prepared by your Oil plug (Upper) dealer. CAUTION Before servicing the motor for storage: ●...

  • Page 42: Pre-Season Check

    INSPECTION AND MAINTENANCE 4. Pre-season check ⑥ Change the gear oil in the gear case. ① Check that the shift and throttle ⑦ Apply grease to the propeller shaft. function properly. ⑧ Apply grease to all sliding parts, (Be sure to turn the propeller shaft joints, nuts, and bolts.

  • Page 43: Motor Submerged In Water

    INSPECTION AND MAINTENANCE 5. Motor submerged in water 6. Cold weather precautions After taking your outboard motor out If you moor your boat in cold weather of the water, immediately take it to at temperatures below 0˚C (32˚F), there is the danger of water freezing your dealer.

  • Page 44: Checking After Striking Underwater Object

    INSPECTION AND MAINTENANCE 7. Checking after striking underwater object S t r i k i n g t h e s e a b o t t o m o r a n underwater object may severely d a m a g e t h e o u t b o a r d m o t o r. Immediately bring the outboard motor to the dealer and ask for the following checks.
  • Page 45 TROUBLESHOOTING If you encounter a problem, consult the check list below to determine the cause and to take the proper action. An authorized dealer will always be happy to provide any assistance and information. Possible cause ● ● Empty fuel tank ●...
  • Page 46 TROUBLESHOOTING Possible cause ● ● ● ● ● ● ● Spark plug other than specified ● ● ● ● ● ● Dirt, soot, etc. on spark plug ● ● ● ● ● ● No Spark or weak spark ● Short circuit of engine stop switch ●...
  • Page 47 TROUBLESHOOTING Possible cause ● ● ● ● ● Low compression ● ● Carbon deposits in the combustion chamber ● ● Incorrect valve clearance ● Low oil pressure/level ● ● ● Low oil level ● ● Use of improper oil ● ●...

  • Page 48: Tool Kit And Spare Parts

    TOOL KIT AND SPARE PARTS The following a list of the tools and spare parts provided with the motor. Items Quantity Remark Tool bag Pliers 10 × 13 mm Socket wrench Socket wrench 16 mm Service tools Socket wrench handle Screwdrivers Cross-and straight-point Screwdriver handle...

  • Page 49: Optional Accessories

    OPTIONAL ACCESSORIES Fuel Tank & Primer Bulb Ass’ y (12L) Fuel filter kit Touch-up paint (300ml) Propeller Genuine engine oil (450ml) Flushing attachment Genuine gear oil (500ml) Remoto control box Various kinds of fitting parts are available. Please consult with your dealer.

  • Page 50: Troubleshooting

    PROPELLER TABLE Use a genuine propeller. A propeller must be selected so that the engine rpm measured at wide open throttle while cruising is within the recommended range. 4 : 4,500 to 5,500 rpm 5 : 4,500 to 5,500 rpm 6 : 5,000 to 6,000 rpm Propeller Size (Diameter ×...
  • Page 52 OWNER’S MANUAL TOHATSU CORPORATION Address : 5-4, 3-chome, Azusawa, Itabashi-ku, TOKYO, 174-0051 JAPAN Phone : TOKYO (03)3966-3117 FAX : TOKYO (03)3966-2951 URL : www.tohatsu.co.jp 003-11059-7 1012NB Printed in Japan...

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