Related Manuals for TOHATSU EverRun MX 40D3
Summary of Contents for TOHATSU EverRun MX 40D3
- 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 MX 40D MX 50D OB No.003-11098-ABC1...
- 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 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. The serial number is required for warranty registration, filing a warranty claim as well as making technical inquiries and may be required for other occasions.Therefore, please write down the serial number and date of purchase in the space 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,”...
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Page 7: Table Of Contents
CONTENTS 1. GENERAL SAFETY INFORMATION ........10 2. - Page 8 11. TROUBLESHOOTING ..........68 12.
- 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.
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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...
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Page 12: Specifications
SPECIFICATIONS ENOM00810-B MODEL FEATURE Model MX40D3 MX50D3 Type Transom heights Tiller Handle Remote Control Manual tilt *1: Option ENOM00811-B MODEL NAME EXAMPLE MX50D3MFL Model Horse Product Minor Starter Steering Shaft description power generation change system system length S= Short 15 in E= Electrical L= Long 20 in A and up... - Page 13 Dog clutch (F-N-R) Gear Reduction Ratio 1.85 (24:13) Remark: Specifications subject to change without notice. *1 With propeller. *2 With manual starter. *3 Transom angle is at -12° Tohatsu outboard is power rated in accordance with ISO8665 (propeller shaft output).
- Page 14 SPECIFICATIONS Service data Model MX40/50D3 Item Fuel Unleaded Regular Gasoline : R+M/2: 87 or higher RON: 91 or higher Fuel Tank Capacity L (US gal) 25 (6.6) Separate Engine Oil Grade Genuine two stroke engine oil or NMMA certified TC-W3 outboard oil Engine Oil Mixing Ratio Unleaded Gasoline 50 : Genuine 2-stroke Engine Oil 1 Grade...
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Page 15: Parts Name
PARTS NAME ENOM01653-0 MX40D3MF/50D3MF, EF ENOF1902-D1 1 Tilt Handle 12 Oil Plug (upper) 23 Main switch 2 Top Cowl 13 Clamp Bracket 24 Fuel Filter 3 Hook Lever 14 Thrust Rod 25 Spark Plug 4 Water Check Port 15 Clamp Screw 5 Reverse Lock Lever 16 Throttle Grip 6 Water Plug... - Page 16 PARTS NAME ENOM00822-0 Fuel tank ENOF00127-G1 1 Fuel Gauge 2 Air Vent Screw 3 Fuel Tank Cap 4 Fuel Connector (Engine side) 5 Primer Bulb 6 Fuel Connector (Fuel tank side)
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Page 17: Label Locations
LABEL LOCATIONS ENOM01659-0 Warning label locations 1, 2 3, 4 ENOF01955-5A... - Page 18 LABEL LOCATIONS 1, 3. Read owner's manual. 314X72185-0 3F0X72185-0 Warning regarding gasoline (See Engine stop switch. (See page 38). page 25). ENOF00131-B HOT SURFACE Can cause burns. ENOF00005-E Do not touch when operating or Warning regarding gasoline (See immediately after the engine has page 25).
- Page 19 LABEL LOCATIONS Warning regarding gasoline (See page 25). ENOF00005-M Warning regarding gasoline (See page 25). ENOF00005-F...
- Page 20 LABEL LOCATIONS ENOM01001-0 Serial number label locations r o t l a i ENOF01904-A 1. Model code (Model name) 2. Rated power 3. Dry mass weight 4. Serial No. 5. Manufacture name 6. Manufacture address Description of serial number year code Last two digits of alphabet represent production year as below.
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Page 21: Installation
INSTALLATION ENOM00024-A ENOW00009-2A 1. Mounting the outboard WARNING motor on boat Mounting the outboard motor without following this manual can lead to unsafe conditions such as poor maneuverability, ENOW00006-1B lack of control or fire. WARNING Loose clamp screws and/or mounting hardware can lead to the release or dis- To avoid personal injury or damage of equip- placement of the outboard motor, possi-... - Page 22 INSTALLATION ENOM01201-0 even swamping or capsizing. Make sure that there is enough distance between Twin-engine Installation bottom cowl and water surface to prevent When installing two outboard engines, be water from entering the engine. sure to keep an interval of approximately Make sure to mount the engine in correct 470-660 mm (18.5-26 in) between the position.
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Page 23: Battery Installation
INSTALLATION ENON00948-0 Notes Apply sealing agent, such as silicone sealant between the bolts and the transom board holes before tightening the bolts. Do not reuse nylon locking nut. ENOM00029-A 2. Battery installation ENOW00012-1 WARNING ENOF00610-0 1. Clamp Screw Battery electrolyte contains sulfuric acid 2. - Page 24 INSTALLATION Place the battery away from any source of * The battery should be purchased sepa- rately and is not supplied with the out- fire, sparks and open flames such as board motor. burners or welding equipment. Do not smoke near the battery when the 1.
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Page 25: Pre-Operating Preparations
When operating an outboard motor with The fuel system components on your gasoline containing ethanol, storing gasoline TOHATSU outboard motor will withstand in the fuel tank for long periods should be up to 10% ethyl alcohol (hereinafter avoided. Storing gasoline for long periods referred to as the "ethanol") content in... -
Page 26: Fuel Filling
PRE-OPERATING PREPARATIONS ENOW00018-1 The static electricity may ignite the gaso- line vapor during refueling. WARNING Stop the engine, and do not start the engine during refueling. Fuel leakage can cause fire or explosion, Do not smoke. potentially leading to severe injury or loss of Be careful not to overfill fuel tank. -
Page 27: Engine Oil Recommendation
PRE-OPERATING PREPARATIONS 1. Fully open the air vent screw on the ENOW00603-0 fuel tank cap and release internal CAUTION pressure. Do not mix different brands of oil. Mixing dif- ferent brands of oil, or different types of oil even if the brand is the same, may cause gelling, resulting in possible filter screen blockage. - Page 28 PRE-OPERATING PREPARATIONS ENOM01003-0 Engine oil – gasoline mixing procedure ENOW00937-1 CAUTION Do not use other than two stroke engine oil with specified grade, or the engine may be damaged. Do not use fuel prepared in other than specified mixing ratio. - Lack of engine oil can cause severe engine problems such as piston seizure.
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Page 29: Break-In
PRE-OPERATING PREPARATIONS ]ENOM00033- 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 of the product. ENOW00024-A If any abnormality is experienced during the break-in:... -
Page 30: Warning System
PRE-OPERATING PREPARATIONS ENOM00039- 5. Warning system If outboard motor encounters an abnormal condition of fault engine speed will be lim- ited (engine will not be stopped). ENOM00041- Warning indicators, faults and remedy Warning indicators Description of faults Remedy Low speed High speed Engine speed exceeds maximum allowable min... -
Page 31: Engine Operation
ENGINE OPERATION ENOM00042-0 1. Fully open the air vent screw on the Before starting fuel tank cap. ENOW00022-B CAUTION Be sure to mix the engine oil with gasoline (Follow the instruction. See page 28) ENOF00027-B 1. Air vent screw 2. Fuel tank cap 2. -
Page 32: Starting The Engine
ENGINE OPERATION 4. Squeeze primer bulb until it becomes 2. Run at idling only 3. Remove the propeller stiff to feed fuel to carburetor. Point (See page 58) the arrow mark upward when priming. ENOF00862-0 1. Engine side 2. Fuel tank side ENOF00863-0 1. - Page 33 ENGINE OPERATION ENON00010-1 3. Set the throttle grip to START posi- Note tion. Start-in-gear protection prevents the engine from starting at other than neutral shift. In-gear starting of engine will move the boat immediately, potentially leading to fall down or causing passenger(s) to be thrown overboard.
- Page 34 ENGINE OPERATION (For manual starter type) 6. Make sure that water is being dis- charged from cooling water check 4. Pull the starter handle slowly until you port. feel engagement, keep pulling till you feel less resistance. Then pull it quickly.
- Page 35 ENGINE OPERATION ENOF01961-0 5. Tie a loop to other end of the emer- gency starter rope and attach socket ENOF01345-0 wrench that is included in the tool kit. 2. Remove starter lock cable from recoil starter by loosing starter cable lock screw.
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Page 36: Warming Up The Engine
ENGINE OPERATION 9. Once the outboard motor stated, do ENOM00046-A not reinstall recoil starter and top 4. Forward, reverse, and cowl. acceleration ENOM0004B-0 3. Warming up the engine ENOW00037-1 WARNING ENOW00932-1 Before shifting into forward or reverse, make CAUTION sure that boat is properly moored and out- board motor can be steered fully to the right Be sure to check that cooling water is dis- and left. - Page 37 ENGINE OPERATION ENOW00861-1 ENOW00864-0 WARNING CAUTION Do not shift at high boat speed, or control Do not increase engine speed unnecessarily may be lost, fall down or causing passen- when the shift is in neutral and reverse, or ger(s) to be thrown overboard. Leading to engine damage may occur.
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Page 38: Stopping The Engine
ENGINE OPERATION Acceleration boat to be thrown forward due to inertial force. Open throttle grip gradually. Tiller handle type 1. Turn the throttle grip to the slow position. ENOF01916-0 1. Shift lever 2. Forward 3. Reverse ENOF01908-1 1. Throttle grip 2. -
Page 39: Steering
ENGINE OPERATION ENOW00869-1 WARNING After stopping the engine: Close the air vent screw on the fuel tank ENOF00891-0 cap. Disconnect the fuel connector from the ENOM00920-0 engine and the fuel tank. 6. Steering Disconnect the battery cable, after each use. ENOW00870-1 WARNING Emergency engine stopping... - Page 40 ENGINE OPERATION Unsuitable trim position can cause loss of control of boat. When testing a trim posi- tion, run the boat slowly initially to see if it can be controlled safely. ENOW00044-1A WARNING Excessive trim up or down may cause unsta- ENOF00052-0 ble boat operation, loss of control that may leads to accident during cruising.
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Page 41: Tilt Up And Down
ENGINE OPERATION Trim angle adjustment (Manual tilt type) ENOW00048-1 The transom angle adjustment WARNING 1. Stop the engine. When tilting up or down, be careful not to 2. Shift into neutral position. place your hand between the swivel bracket 3. Tilt up the outboard motor. and the clamp bracket. -
Page 42: Shallow Water Operation
ENGINE OPERATION 2. Tilt down position 3. Tilt up position ENOM00068-A 9. Shallow water operation ENOW00051-0 WARNING During shallow water operation, be careful ENOF00059-0 not to place your hand between the swivel bracket and the clamp bracket. Be sure to 1. - Page 43 ENGINE OPERATION 1. Shallow water running position: Put the reverse lock lever in the tilt up position, and tilt up the outboard motor to put the outboard motor in the shallow water running position. ENOF00059-0 1. Reverse lock lever 2. Tilt down position 3.
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Page 44: Removing And Carrying The Outboard Motor
REMOVING AND CARRYING THE OUTBOARD MOTOR ENOM00070-A 1. Removing the outboard motor ENOW00006-1B WARNING To avoid personal injury or damage of equip- ment , make sure the allowable lifting capac- ity of the hoist is at least twice the weight of the outboard motor. -
Page 45: Traillering
REMOVING AND CARRYING THE OUTBOARD MOTOR through the exhaust por t and cause engine problems. ENOF00680-0 ENOM00072-C 3. Traillering ENOF01727-0 ENOW00072-0 CAUTION Keep the outboard motor in a vertical position when carrying. Trailering in the tilted position may cause The optional outboard motor stand is damage to the outboard motor, boat, etc. - Page 46 REMOVING AND CARRYING THE OUTBOARD MOTOR intended to support the outboard motor while the boat is docked, beached, etc. When transporting a boat on a trailer with the outboard motor attached, dis- connect the fuel line from the outboard motor beforehand and keep the out- board motor in the vertical or on a tran- som saver bar.
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Page 47: Adjustment
ADJUSTMENT ENOM00073-C ENOM00074-A 1. Steering friction 2. Throttle grip friction Tiller handle type ENOW00074-1B WARNING ENOW00074-2 WARNING Do not overtighten the throttle adjustment screw or it could result in difficult handling Steering may be difficult when steering fric- of the outboard motor, resulting in the loss tion adjustment bolt is over tightened, it may of control causing an accident and could also result in loss of control causing an acci-... - Page 48 ADJUSTMENT Be sure to lock the outboard motor in the ENON00022-A Notes tilt up position, or accidental fall of out- board motor could lead to severe per- After adjustment securely tighten the sonal injury. trim tab fixing bolt. Do not go under outboard motor in the tilt Check for looseness of the bolt and the up position and locked, or accidental fall trim tab at regular intervals.
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Page 49: 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 Your personal safety and that of your pas- sengers depends on how well you main-... -
Page 50: Daily Inspection
INSPECTION AND MAINTENANCE ENOM01607-0 1. Daily Inspection Perform the following checks before and ENOW00078-0 after use. WARNING Do not use outboard motor if any abnormal- ity is found during pre-operation check or it could result in severe damage to the motor or severe personal injury. - Page 51 INSPECTION AND MAINTENANCE ENOM00083-0 ENOM00085-F Washing outboard motor Flushing attachment 1. Tilt down the outboard motor. ENOW00081-1 2. Remove the water plug from the gear WARNING case, and scre w in the flushing Do not start engine without removing pro- attachment.
- Page 52 INSPECTION AND MAINTENANCE ENOM01903-0 Gear case flushing device ENOW00082-0 WARNING Never start or operate the engine indoors or in any space which is not well ventilated. Exhaust gas contains carbon monoxide, a colorless and odorless gas which can be fatal if inhaled for any length of time.
- Page 53 3-5 minutes. blow, request an authorized Tohatsu dealer for inspection. 6. Check if a steady stream of water 1. Stop the engine and disconnect the...
- Page 54 INSPECTION AND MAINTENANCE 4. Remove the fuse for inspection. If the fuse is blown, replace it with a new fuse having same specified rating. ENOF01962-0 1. Brown fuse...
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Page 55: Periodic Inspection
INSPECTION AND MAINTENANCE ENOM01006-1 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 56 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. ENOM00093-A ENOM00094-0...
- Page 57 INSPECTION AND MAINTENANCE 2. If present, disconnect hoses from the ENOM00098-B Gear oil replacement fuel connector (male) and the fuel ENOW00076-1 pump. WARNING 3. Remove the cup, filter and O-rings from the fuel filter body. Be sure that the outboard motor is 4.
- Page 58 INSPECTION AND MAINTENANCE 3. Insert the oil tube nozzle into the lower oil plug hole and fill with gear oil by squeezing the oil tube until oil flows out of the upper plug hole. Make sure that no bubbles are coming out of the upper plug hole and there is no air inside the gear case.
- Page 59 INSPECTION AND MAINTENANCE ENOW00086-1 CAUTION Do not install propeller without thrust holder, or propeller boss could be dam- aged. Do not reuse split pin. After installing split pin, spread bend both end of the pin apart to lock propeller in place.
- Page 60 INSPECTION AND MAINTENANCE Use spark plug : ENOM00087-B Spark plugs replacement NGK B8HS-10 ENOW00087-1 WARNING Do not reuse spark plug, if the insulation is damaged or sparks can leak through crack, potentially leading to electric shock, explosion and/or fire. ENOF00085-0 Do not touch spark plugs immediately 1.
- Page 61 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 Never grease or paint the anode.
- Page 62 INSPECTION AND MAINTENANCE ENOM00960-0 Grease point Apply waterproof grease to the parts shown below. ENOF01928-0...
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Page 63: Off-Season Storage
INSPECTION AND MAINTENANCE ENOM00100-1A 2. Remove the fuel hose from the out- 3. Off-season storage board motor. 3. Drain all fuel from the fuel hoses, fuel ENOW00934-0 pump, fuel filter (See page 56) and WARNING carburetor (See page 65), and clean these parts. - Page 64 INSPECTION AND MAINTENANCE ENOF00680-0 ENOM00950-A Adding a fuel stabilizer When adding a fuel stabilizer additive (commercially available), first fill the fuel ENOF01921-0 tank with fresh oil and fuel. If the fuel tank is only partially filled, air in the tank ENOW00066-1 may deteriorate the fuel during storage.
- Page 65 INSPECTION AND MAINTENANCE ENOM00970-A 8. Check the drained fuel for the pres- Fuel system draining ence of water or other contaminants. ENOW00028-A If fuel is contaminated, reassemble WARNING the outboard motor, refill the carbu- retor with fuel, and then drain the For details on handling fuel, contact an fuel again.
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Page 66: Pre-Season Check
INSPECTION AND MAINTENANCE 4. Charge the battery completely before 6. Before starting the engine, discon- storing it for the winter. nect stop switch lock and pull recoil starter approximately 10 times (Man- 5. Recharge the battery once a month ual start model) or 3times for 3sec. to prevent it from discharging and the turn the starter motor (Electric start electrolyte from deteriorating. -
Page 67: Cold Weather Precautions
INSPECTION AND MAINTENANCE 3. Inject a sufficient amount of engine oil through the spark plug holes. Pull the recoil starter rope several times to circulate the oil throughout the outboard motor. ENOM00106-1 6. Cold weather precautions ENOF01145-0 If you moor your boat in cold weather at temperatures below 0°C (32°F), water ENOM00121-0 residue in water pump may freeze and... - Page 68 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. Engine Abnor- Abnor- Unable to Difficult starts but Poor Over-...
- Page 69 TROUBLESHOOTING Engine Abnor- Abnor- Unable to Difficult starts but Poor Over- Poor mally high mally low reach to start stops accelera- heating of idling engine engine high engine immedi- tion engine speed speeds speed ately Insufficient cooling water flow Faulty thermostat Propeller cavitation Incorrect propeller selection...
- Page 70 TOOL KIT AND SPARE PARTS ENOM01609-0 The followings are a list of the tools and spare parts provided with the motor. Name Quantity Remark Tool Bag Socket Wrench (21 mm) Socket Wrench (10 x 13 mm) Servicing Tools Socket Wrench Handle Pliers Screwdriver (Phillips-type and flat head) Adapter-type...
- Page 71 PROPELLER TABLE ENOM01108-1-0 To ensure optimum performance, the propeller should match the boat type and its load. Use a genuine propeller. When selecting propeller, make sure that RPM stays in the maximum operating range of engine at wide open throttle. MX40D3: 5000 - 5800 min (rpm) MX50D3: 5000 - 5800 min...
- Page 72 INSPECTION & MAINTENANCE LOG Date Engine Hour Inspection/Maintenance Performed Performed by...
- Page 76 O W N E R’ S M A N U A L MX 40D MX 50D 5-4, Azusawa 3-Chome, Itabashi-Ku Tokyo 174-0051, Japan Tel: +81-3-3966-3117 Fax: +81-3-3966-2951 www.tohatsu.com...