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TOHATSU MFS 5D LPG Owner's Manual

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O W N E R' S
M A N U A L
トーハツ船外機 オーナーズマニュアル
Original instructions
MFS 5D LPG
OB No.003-11157-4BC1
EN

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  • Page 1 O W N E R’ S M A N U A L トーハツ船外機 オーナーズマニュアル Original instructions MFS 5D LPG OB No.003-11157-4BC1...
  • Page 2 MANUAL IN A SAFE LOCATION FOR FUTURE REFERENCE. Copyright © 2023 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 permission of Tohatsu Corporation.
  • Page 3 In case you encounter any problems, please contact an authorized TOHATSU service shop or dealer for assistance. Tohatsu Corporation reserves the right to change, modify, add, or remove a part or whole of the owner’s manual without prior notice and incurring any obligations.
  • Page 4 BE COVERED BY THE APPLICABLE LIMITED WARRANTY, IF THIS PROCEDURE IS NOT FOL- LOWED. ENOM00003-1 PRE-DELIVERY CHECK Make sure Pre-delivery inspection has been properly done by authorized TOHATSU dealer before operating your outboard motor. ENOM00005-1 Serial Number Your outboard motor has a unique serial number. The serial number is identification of outboard motor and is located on the outboard motor as shown in the figures below.
  • Page 5 ENOM00007-0 NOTICE: DANGER/WARNING/CAUTION/Note Before installing, operating or otherwise handling your outboard motor, be sure to thor- oughly read and understand this Owner's Manual and carefully follow all of the instruc- tions. Of particular importance is information preceded by the words “DANGER,” “WARNING,”...

  • Page 7: Table Of Contents

    CONTENTS 1. GENERAL SAFETY INFORMATION ........10 2.
  • Page 8 12. TOOL KIT AND SPARE PARTS ........67 13.
  • Page 9 INDEX 1. GENERAL SAFETY INFORMATION 2. SPECIFICATIONS 3. PARTS NAME 4. LABEL LOCATIONS 5. INSTALLATION 6. PRE-OPERATING PREPARATIONS 7. ENGINE OPERATION 8. REMOVING AND CARRYING THE OUTBOARD MOTOR 9. ADJUSTMENT 10. INSPECTION AND MAINTENANCE 11. TROUBLESHOOTING 12. TOOL KIT AND SPARE PARTS 13.

  • Page 10: General Safety Information

    GENERAL SAFETY INFORMATION ENOM00009-1 SAFE OPERATION OF BOAT As the operator/driver of a 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 11 Be sure to use genuine parts, genuine lubricants, or recom- mended lubricants. Be aware that the installation and use of parts not approved by Tohatsu Corporation will void warranty and may lead to unsafe operating conditions. ENOM00011-1...

  • Page 12: Specifications

    SPECIFICATIONS ENOM00810-D MODEL FEATURE F5D LPG Model F5D LPG F5D LPG SP*2 Type    Transom heights    Tiller Handle Remote Control *1 () ()   Manual tilt *1: Option *2: SP model equip with charging coil as a standard. ENOM00811-D MODEL NAME EXAMPLE F 5 DLPGL...
  • Page 13 Remark: Specifications subject to change without notice. *1: With propeller, with battery cable. *2: Equippted only for SP model, the other models OPTION. *3: Transom angle is at -12° Tohatsu outboard is power rated in accordance with ISO8665 (propeller shaft output).
  • Page 14 SPECIFICATIONS Service data Model MFS 5DS MFS 5DS SP Item Separate Tank Fuel Propane Fuel Connector CGA 600 Grade API: SH, SJ, SL SAE: 10W-30, 10W-40 Engine Oil 450 (15/16) (US/Imp.oz) Grade API:GL-5, SAE:80-90 Gear Oil 195 (6.6/6.9) (US/Imp.oz) Battery (minimum requirements) 40Ah/20HR, 330CCA Spark Plug NGK DCPR6E...

  • Page 15: Parts Name

    PARTS NAME ENOM00402-A ENOF01502-B1 Tilt Handle Thrust Rod Engine Oil Drain Screw Top Cowl Clamp Bracket Shut Off Valve Bottom Cowl Clamp Screw Regulator Cooling Water Check Port Throttle Grip Mixer Tilt Lever Shift Lever Steering Adjustment Screw Starter Handle Anode Choke Knob Anti Ventilation Plate...

  • Page 16: Label Locations

    LABEL LOCATIONS ENOM00019-A Warning label locations 2, 3, 4 ENOF01503-B3...
  • Page 17 LABEL LOCATIONS Read owner's manual. 6-1.Warning regarding starting the engine (See page 30). 6-3.HAZARD CAUSED BY ROTATING PARTS Rotating parts can cause severe injury. ENOF00120-0 Keep hands, feet, hair, and clothing Oil pressure lamp (See page 27). away from all rotating parts to pre- vent injury.
  • Page 18 LABEL LOCATIONS ENOM00019-B CE label locations 1521 CAN ICES-2 / NMB-2 ENOF01504-3 1. Model code(Model name) 2. Serial No. 3. Rated power 4. Dry mass weight( Without propeller, with battery cable) 5. Manufacturer name 6. Manufacturer address 7. Authorised representative 8.

  • Page 19: Installation

    INSTALLATION ENOM00024-B Keep the outboard motor in a vertical 1. Mounting the outboard position when mounting. motor on boat ENOW00006-1 WARNING Most boats are rated and certified for their maximum allowable horsepower, as shown on the boat’s certification plate. Do not equip your boat with an outboard motor that exceeds this limit.
  • Page 20 INSTALLATION ENOM00831-0 Mounting the outboard motor 1. Set the outboard motor to appropri- ate position. 2. Tighten the clamp screws by turning 5−25 mm their handles. (0.2−1 in) 3. Secure the outboard motor to the boat with a rope to prevent acciden- ENOF01506-0 tal loss of the outboard motor over- 1.

  • Page 21: Battery Installation (For Sp Model)

    INSTALLATION ENOM00029-A ENOW00014-0 2. Battery installation (For SP CAUTION model)  Make sure that the battery leads do not get stuck between the outboard motor ENOW00012-1 and boat when turning, etc. WARNING  The starter motor may fail to operate if the leads are incorrectly connected.
  • Page 22 INSTALLATION 2. Place the battery box in a convenient position and away from possible water spray. Securely fasten both the box and the battery so they do not shake loose. 3. Connect the positive lead (+) to the positive terminal (+) of the battery, and then connect the negative lead (—).

  • Page 23: Pre-Operating Preparations

    PRE-OPERATING PREPARATIONS ENOM00030-A ENOW000017-0 1. Fuel handling CAUTION Use of improper fuel can damage your ENOW00948-0 engine. Engine damage resulting from the WARNING use of improper fuel is considered misuse of the engine, and damage caused thereby will  Only LP gas can be used to fuel the out- not be covered under the limited warranty.

  • Page 24: Engine Oil Filling

    PRE-OPERATING PREPARATIONS specific years from the date of manufac- 3. Fill the engine through filler port with ture. Please follow to the LPG tank manu- recommended oil to the middle of factures' instruction. dipstick mark.  When filling fuel, keep LPG tank in an 4.
  • Page 25 PRE-OPERATING PREPARATIONS 10W−40 10W−30 ˚C ˚F ENOF00208-0 Engine oil volume Approximately 450 mL (0.48 US qt.) ENOW0002A-A CAUTION Use of engine oils that do not meet these requirements will result in reduced engine life, and other engine problems.

  • Page 26: Break-In

    PRE-OPERATING PREPARATIONS ENOM00033-A 4. Break-In Your new outboard motor and lower unit ENOW00023-1 require break-in for the moving compo- CAUTION nents a ccording to the conditions Operating the outboard motor without described in the following timetable. break-in can shorten life. Please refer to ENGINE OPERATION sec- If any abnormality is experienced during the tion (See page 29) to learn how to cor-...

  • Page 27: Warning System

    PRE-OPERATING PREPARATIONS ENOM00039-A 5. Warning system If outboard motor encounters an abnor- mal condition of fault, the warning lamp (LED) will be ON. See next page for conditions which will lead to an abnormal condition or fault. ENOM00040-D Location of warning lamp ...
  • Page 28 PRE-OPERATING PREPARATIONS ENOM00041-E Warning indicators, faults and remedy Warning indicators Description of faults Remedy Lamp (LED) On for several Normal system test when start up sec. Engine speed exceeds maximum allowable RPM Low oil pressure Remarks *1: In this case, oil pressure switch is “ON”. High speed ESG (Electronic Safety Governor) High speed ESG is a device to prevent over revolution of the engine.

  • Page 29: Engine Operation

    ENGINE OPERATION ENOM00042-0 ENOW00950-0 Before starting WARNING Before starting engine, secure the tank in an ENOM00246-0 Oil Level checking upright position. Check the engine oil level before each use. If the oil level is low or too high, the life of the engine will be shortened sig- ENOM00044-E 1.

  • Page 30: Starting The Engine

    ENGINE OPERATION 4. Fully open the valve of the LPG tank slowly. ENOF00210-0 ENOF01526-0 1. Close ENOF00210-0 ENOF01529-0 2. Connect the hose to the LPG tank by 1. Open turning connector counter-clockwise. ENOM00045-C 2. Starting the engine ENOW00958-1 WARNING  Do not remove or install the top cowl after the engine has started.
  • Page 31 ENGINE OPERATION Tiller handle type 1. Be sure to install the stop switch lock to the stop switch, and attach the stop switch lanyard securely to the operator or to the operator's PFD (Personal Flotation Device.) ENOF00863-0 1. Test tank 2.
  • Page 32 ENGINE OPERATION 4. Pull the choke knob fully. 7. Cooling water from cooling water check port. ENON00501-0 Note Choke is not necessary when the engine is warm. Set the throttle grip to CLOSED position. 5. Pull the starter handle slowly until you feel engagement, keep pulling till you feel less resistance.
  • Page 33 ENGINE OPERATION ENOF00435-0 ENOF01521-1 5. Tie a loop in the another end of the 1. Cowl latch emergency starter rope and attach 2. Disconnect the rink of the starter socket wrench, both the loop and the lock rod. wrench are provided in outboard motor box.

  • Page 34: Warming Up The Engine

    ENGINE OPERATION 8. Pull the starter handle slowly until you feel engagement, keep pulling till you feel less resistance. Then pull it quickly. ENOF00437-A1 1. Cooling water check port ENOM00044-A Engine speeds ENOF00436-0 Idling speed after warming up. 9. Once the outboard motor is started, do not reinstall the recoil starter and Clutch in (In gear) Clutch off (Out of gear)
  • Page 35 ENGINE OPERATION  Arrange the lanyard so that will not be ENOW00863-0 caught by any object when pulled. CAUTION  Be careful not to pull the lanyard acciden- tally during cruising. Unintentional stop of Idle speed may be higher during warming up engine can cause loss of control of out- of engine.

  • Page 36: Stopping The Engine

    ENGINE OPERATION Forward 1. Turn the throttle grip to reduce engine speed. 2. When the engine reaches trolling (or idling) speed, quickly pull the shift lever to the Forward position. Reverse ENOF01107-0 1. Turn the throttle grip to reduce 1. Throttle grip engine speed.

  • Page 37: Steering

    ENGINE OPERATION ENOW00984-0 WARNING After stopping the engine:  After close the valve of the fuel tank, con- sume remained fuel by running the engine ENOF00891-0 if the motor will be stored.  Disconnect the fuel connector from the engine and the fuel tank. ENOM00920-A ...
  • Page 38 ENGINE OPERATION  Do not put hand or finger in between out- ENOM00052-0 Proper trim angle board motor body and clamp bracket The position of the thrust rod is correct if when adjusting trim angle to prevent pos- the hull is horizontal during operation. sible injury.

  • Page 39: Tilt Up And Down

    ENGINE OPERATION ENOM00060-A 8. Tilt up and down ENOW00055-1 WARNING Do not tilt the outboard motor up or down when swimmer(s) and/or passenger(s) are near to prevent them from being caught between outboard motor body and clamp ENOF00440-0 bracket. 1. Trim angle adjustment hole 2.

  • Page 40: Shallow Water Operation

    ENGINE OPERATION cowl. Then slightly lower the motor for locking in the up position. ENOF00441-1 ENOF00443-0 1. Tilt lever 2. Tilt stopper ENOM00068-A 9. Shallow water operation ENOW00051-0 WARNING During shallow water operation, be careful not to place your hand between the swivel bracket and the clamp bracket.
  • Page 41 ENGINE OPERATION ENOF01144-A 1. Water inlet Shallow water running position: 1. With the shift lever in Forward, tilt the motor up slowly by about 40° and then lower the tilt lever for setting at the shallow water running position. Return to normal running position: 2.

  • Page 42: Removing And Carrying The Outboard Motor

    REMOVING AND CARRYING THE OUTBOARD MOTOR ENOM00070-D 1. Removing the outboard motor ENOW00064-1 CAUTION Engine may be hot immediately after opera- tion and could cause burns if came in con- tact. Allow engine to cool down before attempting to carry the outboard. ENOF01505-1 ENOM00071-A 2.

  • Page 43: Trailering

    REMOVING AND CARRYING THE OUTBOARD MOTOR through the exhaust por t and cause ion or any softer surface shown below. engine problems. ENOF01510-1 ENOF01532-0 Keep the outboard motor in a vertical position when carrying. The optional outboard motor stand is recommended for keeping the outboard motor vertical both during transport and storage.
  • Page 44 REMOVING AND CARRYING THE OUTBOARD MOTOR ENOW00073-A (like a transom saver bar) in the tilted posi- tion. WARNING When transporting a boat on a trailer Be sure to disconnect fuel connector except with the outboard motor still attached, when operating engine. disconnect the fuel line from the out- Fuel leakage is a fire or explosion hazard, which can cause serious injury or death.

  • Page 45: Adjustment

    ADJUSTMENT ENOM00073-0 EENOM00074-A 1. Steering friction 2. Throttle grip friction Tiller handle type ENOW00074-1B WARNING ENOW00074-1E WARNING Do not overtighten the throttle adjustment screw or it could result in difficult handling Do not over tighten the steering friction of the outboard motor, resulting in the loss adjustment screw or it could result in diffi- of control causing an accident and could cult handling of the outboard motor, result-...

  • Page 46: Inspection And Maintenance

    INSPECTION AND MAINTENANCE ENOM00077-1 Care of your outboard motor To keep your outboard motor in the best operating condition, it is very important that you perform daily and periodic maintenance as suggested in the mainte- nance schedules as follows. ENOW00077-1 CAUTION ...

  • Page 47: Daily Inspection

    INSPECTION AND MAINTENANCE ENOM00428-0 1. Daily Inspection Perform the following checks before and ENOW00078-1 after use. WARNING Do not use outboard motor if any abnormal- ity is found during pre-operation check oth- erwise it could result in severe damage to the motor or severe personal injury.
  • Page 48 INSPECTION AND MAINTENANCE ENOM00081-B ENON00025-0 Oil level checking Note 1. Place the engine in a vertical posi- Consult with an authorized dealer if the tion. engine oil is milky color, or appears con- taminated. 2. Remove the top cowl and the oil filler cap (dipstick).
  • Page 49 INSPECTION AND MAINTENANCE ENOM00083-B 3. Connect a water hose. Turn on the Washing outboard motor water and adjust the flow. ENOW00920-0 Continue flushing the outboard motor CAUTION for 3 to 5 minutes. 4. After the flushing, be sure to reattach When washing the outboard motor, be care- the water plug.
  • Page 50 When starting the outboard motor in the to the cause or the fuse continues to test tank, make sure that: blow, request an authorized Tohatsu 1. Water level is at least 10 cm (4 in.) above dealer for inspection. the anti-ventilation plate to avoid over- heating of the engine.

  • Page 51: Periodic Inspection

    INSPECTION AND MAINTENANCE ENOM00431-1 2. Periodic Inspection It is important to inspect and maintain your outboard motor regularly. Make sure to per- form each service at interval specified in the chart below. Maintenance intervals are determined by the number of hours outboard motor has been used or number of months, whichever comes first.
  • Page 52  Frequent stop start operation  Frequent shifting operation  Frequent operation in acidic, polluted, muddy, sandy, or shallow water Appropriate maintenance can prolong your engine life. Consult your Tohatsu authorized dealer for suitable maintenance interval depending on operating and environmental conditions.
  • Page 53 INSPECTION AND MAINTENANCE ENOM00091-B 2. Turn the steering on the outboard Engine oil replacement motor left. ENOW00091-1 3. Put an oil drain pan under the oil drain CAUTION bolt. 4. Remove the oil drain bolt and com- You may be injured due to high engine tem- pletely drain oil from the engine.
  • Page 54 INSPECTION AND MAINTENANCE 11. Start the engine and idling for 5 minu- ENON00031-0 Note ets, then check for no oil leaks and no  If any amount of water is found in warning indicate. engine oil, making it milky white, consult dealer.
  • Page 55 INSPECTION AND MAINTENANCE ENOM00098-A Required volume: approx. 195 mL (6.6 Gear oil replacement fl.Oz). ENOW00076-1 WARNING  Be sure that the outboard motor is secured to transom or service stand, or accidental drop or fall of outboard motor could lead to severe personal injury. ...
  • Page 56 INSPECTION AND MAINTENANCE ENOW00928-1 1. Put a piece of wood block between propeller blade and anti-ventilation CAUTION plate to hold propeller. If gear oil is spilled, wipe off immediately and dispose according to the local regulations. ENON00032-1 Note If the gear oil color appears to be milky color, contact your dealer.
  • Page 57 INSPECTION AND MAINTENANCE 6. Tighten the propeller nut to specified When reusing spark plug, remove dirt torque and align one of the grooves from the electrodes and check the spark with propeller shaft hole. plug gap. Propeller nut torque: 1. Stop the engine. 12 Nm (9 ft lb, 1.2 kgf 7.
  • Page 58 INSPECTION AND MAINTENANCE 8. Tighten the spark plug to the speci- fied torque. ENON00028-2A Note  Spark plug tightening torque: 18 N·m (13 ft·lb) [1.8 kgf·m] If a torque-wrench is not available when you are installing a new spark plug, tighten it 1/4 to 1/2 a turn past finger-tight.
  • Page 59 INSPECTION AND MAINTENANCE ENOM00088-1A Anode replacement A sacrificial anode protects the outboard motor from galvanic corrosion. Anode is located on the gear case, cylinder etc.. When the anode is eroded more than 1/3 of original size, replace it. ENON00029-1 Notes ...
  • Page 60 INSPECTION AND MAINTENANCE ENOM00960-0 Grease point Apply waterproof grease to the parts shown below. ENOF01519-1...

  • Page 61: Off-Season Storage

    INSPECTION AND MAINTENANCE 5. Pull the recoil starter several turns to ENOM00100-A 3. Off-season storage lubricate inside the cylinder. ENOW00930-1 ENOW00955-0 WARNING WARNING  Be sure to remove stop switch lock to  Close the valve of the LPG tank. prevent the spark plug(s) from igniting.
  • Page 62 INSPECTION AND MAINTENANCE ENON00941-0 Note When laying the outboard front-side down, turn the clamp bracket 90° clockwise or anti-clockwise so that it does not interfere with the ground. Then tighten up the steer- ing adjustment screw to maintain its posi- tion (see page 45).

  • Page 63: Pre-Season Check

    INSPECTION AND MAINTENANCE ENOM00104-A 9. Run the engine for 10 minutes at half 4. Pre-season check throttle. The oil used for storage inside the engine will be circulated The following steps must be taken when out to assure optimum performance. first using the engine after off season storage.

  • Page 64: Cold Weather Precautions

    INSPECTION AND MAINTENANCE ENOM00106-1A 6. Cold weather precautions If you moor your boat in cold weather at temperatures below 0°C (32°F), water residue in water pump may freeze and may damage the pump, impeller, etc. To avoid, submerge the lower half of the outboard motor into the water.

  • Page 65: Troubleshooting

    TROUBLESHOOTING ENOM00109-0 If you encounter a problem, check the 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 66 TROUBLESHOOTING Possible cause       Incorrect valve clearance     Poor sealing of cylinder head       Poor sealing of intake or exhaust valve seat      ...
  • Page 67 TOOL KIT AND SPARE PARTS ENOM00562-1 The followings are a list of the tools and spare parts provided with the motor. Items Quantity Remark Tool bag Pliers Socket wrench 10 × 13 mm Service tools Socket wrench 16 mm Socket wrench handle Screwdrivers Cross-and straight-point Screwdriver handle...
  • Page 68 PROPELLER TABLE ENOM00438-0 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. 5: 5000–6000 min (rpm) Standard propeller on Propeller Size (Diameter × pitch) Propeller the model Mark...
  • Page 69 INSPECTION & MAINTENANCE LOG Date Engine Hour Inspection/Maintenance Performed Performed by...
  • Page 70 O W N E R’ S M A N U A L MFS 5D LPG 5-4, Azusawa 3-Chome, Itabashi-Ku Tokyo 174-0051, Japan Tel: +81-3-3966-3117 Fax: +81-3-3966-2951 www.tohatsu.com...

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