TOHATSU MD 30B2 Owner's Manual
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TOHATSU MD 30B2 Owner's Manual

TOHATSU MD 30B2 Owner's Manual

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OWNER'S
MANUAL
MD
30B2
40B2
50B2
75C2
90C2
115A2
OB No.003-11075-E

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Summary of Contents for TOHATSU MD 30B2

  • Page 1 OWNER’S MANUAL 30B2 40B2 50B2 75C2 90C2 115A2 OB No.003-11075-E...
  • Page 2 INJURY OR DEATH. KEEP THIS MANUAL IN A SAFE LOCATION FOR FUTURE REFERENCE. Copyright © 2009-2012 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 NOT BE COVERED BY THE APPLICABLE LIMITED WARRANTY, IF THIS PROCEDURE IS NOT FOLLOWED. ENOM00003-0 PRE-DELIVERY CHECK Be sure that the product has been checked by an authorized TOHATSU dealer before you take delivery. ENOM00004-0 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 incorpo- rated by reference into the manual.

  • Page 4: Serial Number

    ENOM00006-0 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 ....... . 8 1. SPECIFICATIONS ..........10 2.
  • Page 6 4. Pre-season check ......... . . 86 5.
  • Page 7 INDEX GENERAL SAFETY INFORMATION 1. SPECIFICATIONS 2. NAMES OF PARTS 3. LOCATION OF WARNING LABELS 4. INSTALLATION 5. PRE-OPERATING PREPARATIONS 6. ENGINE OPERATION 7. REMOVING AND CARRYING THE OUTBOARD MOTOR 8. TRAILERING 9. ADJUSTMENT 10. INSPECTION AND MAINTENANCE 11. TROUBLESHOOTING 12.

  • Page 8: General Safety Information

    GENERAL SAFETY INFORMATION 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 9 GENERAL SAFETY INFORMATION ENOM00009-0 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 ENOM00601-0 30B2 (Available in specific region), 40B2 30B2 40B2 Item MODEL EPTO EFTO Overall Length mm (in) 630 (24.8) 1120 (44.1) Overall Width mm (in) 345 (13.6) 384 (15.1) Overall Height S·L·UL mm (in) 1227 (48.3) 1354 (53.3) 1481 (58.3) Transom Height S·L·UL mm (in) 403 (15.9)
  • Page 11 SPECIFICATIONS ENOM00602-0 50B2 50B2 Item MODEL EPTO EFTO Overall Length mm (in) 630 (24.8) 1120 (44.1) Overall Width mm (in) 345 (13.6) 384 (15.1) Overall Height S·L·UL mm (in) 1227 (48.3) 1354 (53.3) 1481 (58.3) Transom Height S·L·UL mm (in) 403 (15.9) 530 (20.9) 657 (25.9)
  • Page 12 SPECIFICATIONS ENOM00603-0 W50B2 W50B2 Item MODEL EPTO EFTO Overall Length mm (in) 630 (24.8) 1120 (44.1) Overall Width mm (in) 345 (13.6) 384 (15.1) Overall Height L·UL mm (in) 1415 (55.7) 1542 (60.7) Transom Height L·UL mm (in) 550 (21.7) 677 (26.7) L kg (lb) 100.5 (222)
  • Page 13 SPECIFICATIONS ENOM00604-0 75C2, 90C2 75C2 90C2 Item MODEL EPTO Overall Length mm (in) 810 (31.9) Overall Width mm (in) 508 (20.0) Overall Height L·UL mm (in) 1540 (60.6) 1667 (65.6) Transom Height L·UL mm (in) 517 (20.4) 644 (25.4) Weight L·UL kg (lb) 152 (335) 155 (342)
  • Page 14 SPECIFICATIONS ENOM00605-0 115A2 115A2 Item MODEL EPTO Overall Length mm (in) 800 (31.5) Overall Width mm (in) 495 (19.5) Overall Height L·UL mm (in) 1640 (64.6) 1767 (69.6) Transom Height L·UL mm (in) 517 (20.4) 644 (25.4) Weight L·UL kg (lb) 178 (392) 181 (399) Output...

  • Page 15: Names Of Parts

    NAMES OF PARTS ENOM00606-0 EFO/40B2, 50B2 ENOF00601-0 Tilt Handle Clamp Bracket Top Cowl Thrust Rod Hook Lever Clamp Screw Water Check Port Throttle Grip Reverse Lock Lever Stop Switch Water Plug Shift Lever Anti-ventilation Plate Anode Trim Tab Pilot Lamp Propeller Main Switch Oil Plug (lower)
  • Page 16 NAMES OF PARTS ENOM00607-0 EFTO/30B2, 40B2, 50B2, W50B2 6,12 [W50] [W50] ENOF00602-0 Tilt Handle Clamp Bracket Top Cowl Thrust Rod Hook Lever Clamp Screw Water Check Port Throttle Grip Tilt Stopper Shift Lever Water Plug Stop Switch Anti-ventilation Plate Pilot Lamp Trim Tab Main Switch Propeller...
  • Page 17 NAMES OF PARTS ENOM00608-0 EPTO/30B2, 40B2, 50B2, W50B2 6,12 [W50] [W50] ENOF00603-0 Tilt Handle Clamp Bracket Top Cowl Thrust Rod Hook Lever Power Trim & Tilt Switch Water Check Port Fuel Connector Tilt Stopper Battery Cords Water Plug Power Trim & Tilt Anti-ventilation Plate Anode Trim Tab...
  • Page 18 NAMES OF PARTS ENOM00609-0 EFTO/75C2, 90C2 5, 9 ENOF00604-0 Tilt Handle Thrust Rod Top Cowl Fuel Nose Nipple Hook Lever Power Trim & Tilt Switch Water Check Port Battery Cords Water Plug Power Trim & Tilt Anti-ventilation Plate Anode Trim Tab Flushing Connector Cap Propeller Oil Plug (upper)
  • Page 19 NAMES OF PARTS ENOM00610-0 EPTO/115A2 5, 9 ENOF00605-0 ENON00601-0 Note These parts for model 115A2 are not enclosed in the engine package. Tilt Handle Fuel Nose Nipple Air Vent Screw Top Cowl Power Trim & Tilt Switch Fuel Connector Hook Lever Battery Cords Primer Bulb Water Check Port...

  • Page 20: Location Of Warning Labels

    LOCATION OF WARNING LABELS ENOM00620-0 Locations of warning labels MD 30/40/50 MD 75/90/115 ENOF00606-0 Warning label regarding owner’s man- Only for EU remote control model ual, top cowl, engine stop switch, Warning label regarding installation of engine oil level and unleaded gasoline. remote control system (See page 27).
  • Page 21 LOCATION OF WARNING LABELS ENOF00006-0 Warning label regarding rotating parts, electrical shock and high temperature. ENOF00711-0 Warning label on engine stop switch. ENOF00129-0 Caution label regarding fuel line and fuel filter. ENOF00008-0 Only for USA and CANADA models Warning regarding fuel tank cap (See pages 41, 48–61).
  • Page 22 LOCATION OF WARNING LABELS Read manual thoroughly ENOF00115-0 Check oil level ENOF00010-0 Only for USA and CANADA models When opening or closing fuel tank cap, ENOF00116-0 be sure to observe warning note on Use unleaded gasoline only fuelling. ENOF00117-0 Lay as indicated ENOF00011-0 *Fuel tank is included in only MD30–50.
  • Page 23 LOCATION OF WARNING LABELS Gear shift lever operation direction, dual direction ENOF00122-0 Engine start/Engine cranking ENOF00123-0 Warning, rotating object ENOF00249-0 Warning, high voltage ENOF00204-0 Warning, high temperature ENOF00205-0...

  • Page 24: Installation

    INSTALLATION ENOM00621-0 ENOM00624-0 Twin-engine installation 1. Mounting the outboard motor on When installing two outboard motors, be boat sure to keep an interval of 470–660 mm (for 30, 40 and 50 models) or 700–890 ENOW00006-0 mm (for 75, 90 and 115 model) between WARNING the two.
  • Page 25 INSTALLATION the transom board, matching the holes in the Clamp Bracket. Secure the engine with the supplied bolts (M12 × 105 mm) and nuts, Be sure to use the washers. Use the larger diameter washers inside of the tran- som board and use the small diameter washers outside of the clamp bracket.
  • Page 26 INSTALLATION ENOM00628-0 ENOM00630-0 Clamp Bracket with the Power trim and Tilt type EFTO, EPTO 30, 40, 50 Dimensional Drawing ENOM00629-0 Manual tilting type EFO 40, 50 ENOF00612-0 1. Clamp Screw (EFTO type only) 2. Washer (small diameter) 3. Washer (large diameter) 4.

  • Page 27: Propeller Selection

    17.5 (0.7”) 17.5 (0.7”) ø13 17.5 (0.7”) (0.5”) When using other than Tohatsu's genuine remote control box, DO NOT select the one without neutral safety switch that prevents in-gear start. Use of remote control box without neutral safety switch can allow start of engine with (9.9”)
  • Page 28 INSTALLATION ENOM00635-0  Installation of the Remote Control Cables (Box side): Follow the instruction manual provided with the remote control box. ENOM00636-0  Installation of the Remote Control Box on your boat: Follow the instruction manual provided with the remote control box. ENOM00637-0 ...
  • Page 29 INSTALLATION  Screw the tip of the remote control cable into the cable joint up to approx. 10 mm (0.39 inch), then lock them with a lock nut. Apply grease to the hole of the cable joint. 10 mm ENOF00619-0 (0.39 in) 1.
  • Page 30 INSTALLATION 3. Cable joint 4. Throttle cable 5. R shaped pin 6. Nut ENOF00623-0 1. Bolt ENOF00621-0 2. Screw 3. Bracket 1. Fully closed 2. Stopper (Throttle fully closed side) 3. Advancer arm 7. Place and fix Cable harness B to P.T. switch bracket as shown.
  • Page 31 INSTALLATION ENOF00625-0 ENOF00627-0 1. Hose clamp 1. Throttle cable joint 2. Hook lever 2. R-shaped pin 3. Hole for cord ass’y B 3. Washer 4. Hole for meter cord ass’y 4. Shift cable joint 5. Hole for remote control cable of shift side 5.
  • Page 32 INSTALLATION  Double-check that the Remote Control Cables, the throttle cable and shift cable have been connected correctly. Move the Remote Control Lever Forward until the first engaging point (approx. 32°). The cable which is moved first when the lever is turned is a shift cable. Check that the shift lever is in Neutral and the Free Accel lever is fully closed when the remote control cables have been con-...
  • Page 33 INSTALLATION 7. Adjust the cable joint (shift side) so that 2. Cable harness B 3. Meter lead wire the hole meets with the shift arm pin, and lock the cable joint with the nut, 2. Place and fix Cable harness B to P.T. and insert the shift arm pin and then switch bracket as shown.

  • Page 34: Installing The Meters

    INSTALLATION ENOM00640-0 for the tachometer and 52.5 mm (2.067 4. Installing the meters in.) for the trim meter. Install the meters securely in the dash- board where they can be easily read and are not exposed to water splashes. The recommended dashboard thickness is 2–...
  • Page 35 INSTALLATION 75, 90, 115 30, 40, 50 ENOF00638-0 1. Trim gauge Color Code 2. Tachometer 3. Cable harness B Black 4. Meter lead wire (3T5-72537-1) Blue 5. Trim sender Light green Pink White Yellow Yellow and Red Green and Red...

  • Page 36: Installing The Drag Link Assembly

    INSTALLATION ENOM00641-0 30, 40, 50 5. Installing the drag link assembly Incorrect or unstable installation of the Drag Link Assembly can result in accidents while riding the boat or breakage of the hull. Installation of the Drag Link Assembly by your dealer is highly recommended.

  • Page 37: Installing The Battery

    INSTALLATION 10. Tip of cable ENOW00013-0 11. Seal ring WARNING 12. Nut with nylon-stopper Battery generates explosive hydrogen gas. ENOM00642-0 Be sure to: 6. Installing the battery  Charge the battery in a well-ventilated place.  Place the battery away from any source This outboard motor will not start without of fire, sparks and open flames such as battery.
  • Page 38 INSTALLATION 2. Connect the positive (+) cord connec- tor (with red tube) to the positive (+) terminal first. Then connect the nega- tive (—) cord connector to the negative (—) terminal. When disconnecting the battery, always disconnect the nega- tive (—) cord first. ENOF00022-0 1.

  • Page 39: Pre-Operating Preparations

    GASOLINES CONTAINING ALCOHOL The fuel system components on your TOHATSU engine will withstand up to 10% alcohol content in the gasoline. But if the gasoline in your area contains either meth- anol (methyl alcohol) or ethanol (ethyl alco-...

  • Page 40: Low Permeation Fuel Hose Requirement

     Starting and operating difficulties ENOW00020-0 ENOW00018-0 CAUTION WARNING When operating a TOHATSU engine on Fuel leakage can cause fire or explosion, gasoline containing alcohol, storage of potentially leading to severe injury or loss gasoline in the fuel tank for long periods of life.

  • Page 41: Epa Pressurized Portable Fuel Tank Requirements

    PRE-OPERATING PREPARATIONS  TOHATSU engine has used fuel hoses ENOM00035-0 REMOVING THE FUEL CAP for The Enviro nmental Protection Agency (EPA) requires from January 1, 2011. ENOM00034-0 3. EPA pressurized portable fuel tank requirements EQUIPPED FOR UNITED STATES AND CANADA MODEL...
  • Page 42 PRE-OPERATING PREPARATIONS engine damage because of impaired lubri- 30·40·50 cation performance. ENOW00022-0 CAUTION The engine oil is drained for shipping from the factory. Be sure to fill the engine to the proper level before starting engine. (To properly fill the engine with oil follow the instructions in section 10 of this manual) ENON00007-0 Note...

  • Page 43: Altitude Adjustment Kit Requirement

    PRE-OPERATING PREPARATIONS 30, 40, 50 INFORMATION” for more detail. ENOF00642-0 1. Air vent screw 2. From oil filter 3. Vinyl pipe 75, 90, 115 See page 48 for air removal from the oil lines. ENON00608-0 Note Wipe off any spilled oil with a rag, and dis- pose of it.

  • Page 44: Break-In

    PRE-OPERATING PREPARATIONS ENOM00038-0 6. Break-In Your new outboard motor and lower unit ENOW00023-0 require break-in for the moving compo- CAUTION n e n t s a c c o r d i n g t o t h e c o n d i t i o n s Operating the outboard motor without described in the following time table.

  • Page 45: Warning System

    PRE-OPERATING PREPARATIONS ENOM00646-0 ENOM00648-0 Warning against low oil level 7. Warning system If the engine oil has decreased to the specified quantity or less, the warning sys- When there is something abnormal with tem is activated with flashing of the warn- the engine, the warning lamp flashes and/ ing lamp and the buzzer that sounds or the buzzer sounds.
  • Page 46 PRE-OPERATING PREPARATIONS stops. Neutral (N) position and stop the engine After replenishment of oil is complete, start after making sure that cooling water is the engine and make sure that the warning drained out of the cooling water check lamp in the tachometer is turned off with- port.
  • Page 47 PRE-OPERATING PREPARATIONS ENON00611-0 Note This warning system has three kind indica- tions with cause of engine trouble as below. 1. The warning lamp flash 2. The engine speed control 2800–3200 rpm and the warning lamp flash 3. The engine speed control 700–900 rpm and the warning lamp flash.

  • Page 48: Engine Operation

    ENGINE OPERATION ENOM00652-0 1. Starting ENOW00606-0 WARNING In case engine starts in gear, do not start cruising. Stop engine immediately and con- sult an authorized dealer. ENOF00027-0 ENON00612-0 Note 1. Air vent screw The engine will not start unless the switch lock has been properly connected into the ENOM00654-0 For USA and Canada model (EPA...
  • Page 49 ENGINE OPERATION 30, 40, 50 ENOF00649-0 ENOF00647-0 1. Lock 2. Stop switch For the 75, 90 and 115 model, remove the cap from the fuel hose nipple and then connect the hose coming from the fuel tank. After connection, be sure to fasten the hose tightly with a hose band or the like.
  • Page 50 ENGINE OPERATION Do not squeeze primer bulb while engine c. Idle the engine for more than 30 min- running or when the outboard motor is utes. tilted up. Otherwise, fuel could overflow. d. Reset the link rod to the advancer arm. 30, 40, 50 ENOM00655-0 Forced fuel feeding...
  • Page 51 ENGINE OPERATION ENOM00658-0 75, 90, 115 75, 90, 115 type (Electric oil pump) Check to see by eyes if the oil line from the oil tank to the cylinder block ((1) to (11) in the 75, 90, 115 model) gets air inside or not.
  • Page 52 ENGINE OPERATION immediately, potentially leading to falling 3. Turn the main switch key to “ON”, and down or causing passenger(s) to be thrown wait a few seconds until the sound of overboard. the warning buzzer stops. And then continue turning the key clockwise to start the engine.
  • Page 53 ENGINE OPERATION sumed, potentially making the engine start- the fully closed position and start the next operation after returning the main switch i n g i m p o s s i b l e a n d / o r d a m a g i n g t h e key to “OFF”.
  • Page 54 ENGINE OPERATION ENON00614-0 Note If the main switch key is pressed for 1(one) second during idling or trolling operation, the buzzer sounds and engine revolution changes. Each time the main switch key is pressed in the above manner, engine speed changes as follows.

  • Page 55: Warming Up The Engine

    ENGINE OPERATION any of these parts can cause electrical shock. ENOM00663-0 2. Warming up the engine Before driving the boat, let the engine run at low speed to let it warm and allow the oil to circulate through the engine. If the ENOF00663-0 engine is not warmed up beforehand, the ENOW00099-0...

  • Page 56: Forward And Reverse

    ENGINE OPERATION ENOM00665-0 3. Forward and reverse ENOW00037-0 WARNING Before shifting into forward or reverse, make sure that boat is properly moored and outboard motor can be steered fully to the right and left. Make sure that no swim- mer(s) is ahead or astern of the boat. ENOF00665-0 1.
  • Page 57 ENGINE OPERATION ENOM00666-0 ENOW00612-0 EFO, EFTO type CAUTION Turn the throttle grip toward “SLOW” and move the Shift Lever quickly to Forward or  Before moving Shift Lever Reverse when the engine speed has Reverse, make sure the Reverse Lock is engaged (in up position).—EFO model reached the lowest rpm.

  • Page 58: Shallow Water Running

    ENGINE OPERATION ENOW00041-0 CAUTION Be sure to warm up engine well before starting cruise. Operating cold engine may cause damage to your motor. ENON00013-0 Note Idle speed may be higher during warming up of engine. If shifted to Forward or Reverse during warming up, it may be diffi- cult to shift back to neutral.
  • Page 59 ENGINE OPERATION ENOW00614-0 WARNING  Run at lowest possible speed during cruising 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 against sea bottom, or propeller may be pushed out of water, resulting in loss of control.

  • Page 60: Stopping The Engine

    ENGINE OPERATION ENOM00671-0 ENOM00673-0 EPTO type 5. Stopping the engine 1. Move the Remote Control lever to Neutral (N) and let the engine idle for 2- ENOW00042-0 3 minutes to allow it to cool down. WARNING  Do not shift into Reverse during planing, or control will be lost leading to serious personal injury, boat may swamp, and/or hull may be damaged.

  • Page 61: Trim Angle

    ENGINE OPERATION ENOM00674-0 EFO, EFTO, EPTO type ENON00617-0 Notes  After stopping the engine, close the air vent screw on the tank cap.  Disconnect the fuel connector of the engine or the fuel tank.  Disconnect the cables from the battery if the engine will not be used for an extended period of time.
  • Page 62 ENGINE OPERATION ENOM00678-0 Improper trim angle (bow rises too high) If the trim angle is excessive, the bow will rise out of the water and the speed will decrease. Furthermore, the bow may sway or the bottom may slam the water while cruising. ENOF00053-0 In this case, decrease the trim angle by setting the thrust rod in a lower hole.
  • Page 63 ENGINE OPERATION and readjust trim angle before continu- ing cruise.  For outboard motor model with PTT switch on the bottom cowl, do not oper- ate the switch during cruising, or control of boat may be lost. ENOM00680-0 EFTO, EPTO type The Provided Power Trim &...

  • Page 64: Mooring With The Engine Tilted Up

    ENGINE OPERATION ENOM00683-0 ing the steering difficulty that leads to acci- Improper Trim Angle (bow dips into dent during cruising. the water)  Do not cruise at high speed if improper If the trim angle is too small, the bow will trim position is suspected.
  • Page 65 ENGINE OPERATION or fuel may leak, potentially catching fire. ENOW00050-0 CAUTION Do not tilt up outboard motor during opera- tion, or engine may be damaged from over- heating due to lack of sufficient cooling water. ENOF00667-0 4. To tilt the engine down, Turn the Reverse Lock Lever upward (toward 1.
  • Page 66 ENGINE OPERATION 30, 40, 50 ENOF00067-0 ENOF00069-0 1. Tilt stopper 75, 90, 115 ENOF00677-0 2. Operate the Power Trim & Tilt switch and tilt and engine up. The engine can also be tilted up using the switch provided under the Lower Engine Cover.
  • Page 67 ENGINE OPERATION 30, 40, 50 ENOW00056-0 WARNING When tilting up outboard motor with fuel joint for over a few minutes, be sure to dis- connect fuel hose or close fuel cock, or fuel may leak, potentially catching fire. ENOW00057-0 CAUTION Do not tilt up outboard motor while engine operates, or no cooling water may be fed, leading to engine seizure due to overheat-...

  • Page 68: Removing And Carrying The Outboard Motor

    REMOVING AND CARRYING THE OUTBOARD MOTOR ENOM00688-0 ENOW00617-0 1. Removing the outboard motor WARNING  Close air vent screw of fuel tank before 1. Stop the engine. carrying or storing outboard motor and 2. Disconnect the fuel connector, the fuel tank, or fuel may leak, potentially remote control cables, the battery catching fire.

  • Page 69: Storing The Outboard Motor

    REMOVING AND CARRYING THE OUTBOARD MOTOR ENOF00680-0 ENOM00691-0 EFO type ENOF00073-0 Lay the engine with the shift lever up. 1. Lock 2. Reverse lock lever 3. Clamp bracket ENOM00692-0 4. Rope 5. Tilting direction 3. Storing the outboard motor ENOW00067-0 WARNING Keep the motor in a vertical position when you store it.

  • Page 70: Trailering

    TRAILERING ENOW00072-0 CAUTION When trailering the outboard motor should be in a vertical (normal running) position, fully down. Trailering in the tilted position may cause damage to the outboard motor, boat, etc. If trailering with outboard motor fully down is not available (the gear case skeg is too close to the road in a vertical position), fix the outboard motor securely using a device (like a transom saver bar) in the tilted posi-...

  • Page 71: Adjustment

    ADJUSTMENT ENOM00694-0 1. Remote control lever load ENOM00695-0 EPTO type only (Throttle friction adjustment screw) To adjust the load of the remote control lever, turn the throttle friction adjustment ENOF00079-0 screw on the front of the remote control 1. Trim tab Box.

  • Page 72: Steering Load Adjustment

    ADJUSTMENT board motor could lead to severe per- ENOM00699-0 sonal injury. 4. Throttle grip turning load adjustment ENOM00697-0 ENOM00700-0 3. Steering load adjustment EFO, EFTO type Turn the friction adjustment screw on the steering handle to adjust the turning load ENOM00698-0 30, 40, 50 type of the throttle grip.

  • Page 73: Inspection And Maintenance

    INSPECTION AND MAINTENANCE ENOM00077-0 adjustments. Maintenance, replace- Care of your outboard motor ment, or repair of the emission control To keep your outboard motor in the best devices and systems may be per- operating condition, it is very important formed by any marine SI (Spark Igni- that you perform daily and periodic main- tion) engine repair establishment or tenance as suggested in the maintenance...

  • Page 74: Daily Inspection

    INSPECTION AND MAINTENANCE ENOM00703-0 1. Daily inspection Perform the following checks and inspec- ENOW00078-0 tion before and after use. WARNING Do not use outboard motor if any abnor- mality is found during pre-operation check or it could result in severe damage to the motor or severe personal injury.
  • Page 75 INSPECTION AND MAINTENANCE Item Points to Check Remedy • Check if the anode and trim tab are securely installed. Repair if necessary Other parts • Check the anode and trim tab for corrosion and deformation. Replace ENOM00704-0 colorless and odorless gas which can be Washing with fresh water fatal if inhaled for any length of time.

  • Page 76: Replacing The Propeller

    INSPECTION AND MAINTENANCE ENOW00083-0 3. Hose ENOW00081-0 CAUTION WARNING Keep engine at idle speed during flushing. Do not start engine without removing pro- peller, or accidentally turning propeller Wash the engine before long-term storage. could cause personal injury. Run the engine at low speed with the ENOW00083-0 Remote Control lever (or Shift lever) set to CAUTION...
  • Page 77 INSPECTION AND MAINTENANCE Drive sleeve type ENOM00707-0 Replacing the spark plugs ENOW00087-0 WARNING  Do not reuse spark plug with damaged insulation, or sparks can leak through crack, potentially leading to electric shock, explosion and/or fire.  Do not touch spark plugs immediately after stopping engine as they will be hot a n d c o u l d c a u s e s e v e r e b u r n s i f touched.
  • Page 78 INSPECTION AND MAINTENANCE 2. NGK IZFR6Q (30, 40, 50, 75, 90) NGK IZFR5J (115) ENON00028-0 Note  Spark plug torque: 18.0 Nm (13.3 ft-lb) [1.84 kgf-m] If a torque-wrench is not available when you are fitting a spark plug, a good estimate of the correct torque is 1/4 to 1/2 a turn past finger-tight.

  • Page 79: Periodic Inspection

    INSPECTION AND MAINTENANCE ENOM00708-0 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 80 INSPECTION AND MAINTENANCE Inspection intervals First 20 Every 50 Every 100 Every 200 Description Inspection procedure Remarks hours of 1 hours of 3 hours of 6 hours of 1 month months months year Sliding and Rotating Parts.    ...
  • Page 81 INSPECTION AND MAINTENANCE 2. Insert the oil tube nozzle into the lower 30, 40, 50 oil plug hole, and fill with gear oil by squeezing the oil tube until oil flows out of the upper plug hole. 30, 40, 50 ENOF00688-0 1.
  • Page 82 INSPECTION AND MAINTENANCE : 30, 40, 50 approx. 500 mL (16.89 U.S. fluid oz) : W50 approx. 700 mL (23.65 U.S fluid : 75, 90, 115 approx. 900 mL (30.40 U.S fluid oz) ENOM00710-0 Cleaning Tanks and Filters ENOW00093-0 ENOF00098-0 WARNING 1.
  • Page 83 INSPECTION AND MAINTENANCE 1. Oil filter ENOM00711-0 Checking and Refilling Oil in the  Oil filter and oil tank. Check the oil tank Power Trim & Tilt. and/or filter for entrapped water and 1. Check the oil level of the reservoir tank dust.

  • Page 84: Off-Season Storage

    INSPECTION AND MAINTENANCE ENOW00088-0 30, 40, 50 WARNING  Be sure that outboard motor is secured to transom or service stand, or acciden- tal drop or fall of outboard motor could lead to severe personal injury.  Be sure to lock outboard motor if it is tilted up, or accidental fall of outboard motor could lead to severe personal injury.
  • Page 85 INSPECTION AND MAINTENANCE p re v e n t a c c i d e n t a l s t a r t i n g o f t h e 10. Stand the outboard motor up vertically engine. Accidental starting when the in a dry place.

  • Page 86: Pre-Season Check

    INSPECTION AND MAINTENANCE plug or grease fill plug. Inspect the gas- 6. If the engine has been kept without kets under the lubricant vent and grease running for a long time, the following plugs, replace them if necessary, and operation is required before starting it. reinstall the plugs.

  • Page 87: If The Engine Becomes Submerged In Water

    INSPECTION AND MAINTENANCE ENOM00718-0 6. If the engine becomes submerged in water After pick up, immediately bring the out- board to your dealer. Following are the emergency measures to be taken on the submerged outboard. 1. Take it out of water immediately and wash it with fresh water to remove all traces of salt and dirt.

  • Page 88: Troubleshooting

    TROUBLESHOOTING ENOM00720-0 If you encounter problem with the engine, check the list below and locate the problem you are experiencing. Then follow the suggested remedies. Do not hesitate to contact your dealer, as professionals advice and assistance is the best way to keep the engine in optimum condition.
  • Page 89 TROUBLESHOOTING Possible cause  Lock plate is not inserted or poorly inserted into stop switch.     Wrong wiring, disconnection, poor connection.   Faulty operation of starter motor/starter solenoid  A great deal of air is contained inside pump.

  • Page 90: Tool Kit And Spare Parts

    TOOL KIT AND SPARE PARTS ENOM00721-0 30, 40, 50 The following a list of the tools and spare parts provided with the motor. Name Quantity Remark Tool bag Socket wrench (16 mm) Socket wrench (10 × 13) Service tools Socket wrench handle Pliers Screwdriver (Phillips-type and Adapter-type...
  • Page 91 TOOL KIT AND SPARE PARTS ENOM00722-0 75, 90, 115 The following a list of the tools and spare parts provided with the motor. Quantity Name Remark MD 75/90 MD 115 Tool bag Socket wrench (16 mm) Socket wrench (10 × 13) Service tools Socket wrench handle Pliers...

  • Page 92: Optional Accessories

    OPTIONAL ACCESSORIES ENOM00723-0 Hour meter (engine operation Speedmeter (50MPH) hour counter) ENOF00693-0 ENOF00697-0 Speedmeter (75MPH) Fuel meter ENOF00698-0 ENOF00694-0 Tachometer Water pressure meter ENOF00699-0 ENOF00695-0 Flushing attachment Voltmeter ENOF00102-0 ENOF00696-0...
  • Page 93 OPTIONAL ACCESSORIES Drive cleaner Tie bar kit B (for twin-engine operation) ENOF00103-0 1. Drive cleaner Twin-control box kit (for twin- engine operation) ENOF00701-0 1. Tie bar kit B (for twin-engine operation) Propeller ENOF00700-0 1. Twin-control box kit (for twin-engine operation) ENOF00702-0 Engine oil (4 L) ENOF00703-0...
  • Page 94 OPTIONAL ACCESSORIES Genuine gear oil (500 mL) ENOF00104-0 Touch-up spray paint ENOF00704-0...

  • Page 95: Propeller Table

    PROPELLER TABLE ENOM00724-0 To ensure optimum performance, the propeller should match the boat type and its load. 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. 5150–5850 rpm 30, 40, 50 75, 90...
  • Page 96 OWNER’S MANUAL 30B2 40B2 50B2 75C2 90C2 115A2 003-11075-E 1211NB Printed in Japan...

This manual is also suitable for:

Md 90c2Md 115a2Md 75c2Md 40b2Md 50b2

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