TOHATSU MFS 40A Owner's Manual
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TOHATSU MFS 40A Owner's Manual

TOHATSU MFS 40A Owner's Manual

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OWNER'S
MANUAL
MFS
40A
50A
Original instructions
OB No.003-11106-1

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Summary of Contents for TOHATSU MFS 40A

  • Page 1 OWNER’S MANUAL Original instructions OB No.003-11106-1...
  • Page 2 INJURY OR DEATH. KEEP THIS MANUAL IN A SAFE LOCATION FOR FUTURE REFERENCE. Copyright © 2015 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 ENOM00006-A 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 4: Serial Number

    ENOM00005-A Serial Number In the space below, please record the outboard motor's serial number (indicated both on the bottom cowl and on the cylinder block). The serial number will be needed when order- ing parts, and when making technical or warranty inquiries. Serial Number: ENOF00801-0 ENOF00800-0...
  • 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

    4. Propellor installation......... . 24 5. TOCS (Tohatsu Onboard Communication System) installation..25 6.
  • Page 8 7. Striking underwater object ........79 11.
  • 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 ENOM00009-0 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 11 GENERAL SAFETY INFORMATION ENOM00010-0 SERVICING, REPLACEMENT PARTS & LUBRICANTS We recommend that only an authorized service shop perform service or maintenance on this outboard motor. Be sure to use genuine parts, genuine lubricants, or recommended lubricants. ENOM00011-A MAINTENANCE As the owner of this outboard motor, you should be acquainted with correct maintenance procedures following maintenance section of this manual (See page 57).

  • Page 12: Specifications

    SPECIFICATIONS ENOM00810-A MODEL FEATURE Model F40A F50A Type Transom heights Tiller Handle Remote Control Power Trim & Tilt Gas-assisted tilt These models can be purchased with remote rigging kit or multi function tiller handle. ENOM00811-A MODEL NAME EXAMPLE F 50A ETL Model descrip- Product gener- Starter...
  • Page 13 SPECIFICATIONS ENOM00013-0 ET, EG F40A/50A ET (with EG (with Item MODEL multifunction multifunction (with RC) tiller handle) tiller handle) Overall Length mm (in) 783 (30.8) 1382 (54.4) 1382 (54.4) Overall Width mm (in) 404 (15.9) Overall Height S·L mm (in) 1257 (49.5) 1390 (54.7) Transom Height S·L mm (in)
  • Page 14 Operator Sound Pressure 81.8 (ICOMIA 39/94 Rev.1) dB (A) Hand Vibration Level – (ICOMIA 38/94 Rev.1) m/sec2 Remark: Specifications subject to change without notice. *Without propeller, with battery cable. Tohatsu outboard is power rated in accordance with ISO8665 (propeller shaft output).

  • Page 15: Parts Name

    PARTS NAME ENOM00820-0 ET, EG (with multi-function tiller handle) Tilt Handle Tiller Handle Top Cowl Throttle Grip Bottom Cowl PTT Switch Cooling Water Warning Lamp Check Port Stop Switch Drive Shaft Stop Switch Housing Lanyard Anode Oil Filler Cap Trim Tab Spark Plug Propeller Oil Level Gauge...
  • Page 16 PARTS NAME ENOM00822-0 Remote control box & Fuel tank ENOF00127-C Control Lever Fuel gauge Neutral lock arm Air vent screw PTT switch Fuel tank cap Free throttle lever Fuel connector (Engine side) Main switch Primer bulb Stop switch Fuel connector (Fuel tank side) Stop switch lock Stop switch lanyard...

  • Page 17: Label Locations

    LABEL LOCATIONS ENOM00019-A Warning label locations ENOF00127-D...
  • Page 18 LABEL LOCATIONS Warning label urge to read the owner’s Warning regarding gasoline. manual . ENOF00120-0 2-1. Warning regarding emergency start- ing (See page 38). ENOF00005-E 2-2. Warning regarding high temperature. Warning regarding gasoline (See page 27). 2-3. Warning regarding rotating object. 2-4.
  • Page 19 LABEL LOCATIONS ENOM00019-B CE label locations r o t 4) 5) l a i ENOF00005-N 1. Model code(Model name) 2. Rated power 3. Dry mass weight( Without propeller, with battery cable) 4. Product year 5. Serial No. 6. Manufacture adress 7.

  • Page 20: Installation

    INSTALLATION ENOM00024-A ENOW00006-0 1. Mounting the outboard motor on WARNING boat Most boats are rated and certified in terms of their maximum allowable horsepower, ENOW00006-C as shown on the boat’s certification plate. WARNING Do not equip your boat with an outboard motor that exceeds this limit.
  • Page 21 INSTALLATION ENOM00025-0 water surface is near the bottom cowl- Position ... Above keel line ing, in high waves, water may enter the Set engine at center of boat. engine cylinders. Incorrect outboard motor mounting height or existence of underwater object(s), such as hull bottom design, bottom surface conditions or underwa- ter accessories, can cause water spray possibly reaching the engine through an...

  • Page 22: Remote Control Device Installation

    INSTALLATION ENOM00840-0 351 (13.82) 2. Remote control device 327 (12.87) installation 163.5 163.5 ENOW00850-0 Remote control box location Ø12.5 Ø12.5 1, 2 125.5 125.5 251 (9.88) ENOF00018-A View A ENOF00841-0 ENOW00008-A CAUTION Install the remote control box in a position where it is easy to reach and operate the Mounting bolts should be installed with controls.

  • Page 23: Battery Installation

    INSTALLATION contact with your eye, loss of sight. Use safety glasses and rubber gloves. In case battery electrolyte comes in con- tact with: Skin, flush thoroughly with water. Eye, flush thoroughly with water, and then seek immediate medical treatment. In case battery electrolyte is swallowed: Seek immediate medical treatment.

  • Page 24: Propeller Installation

    INSTALLATION mended can lead to poor performance of, ENOM00045-A and/or damage to, the electrical system. 4. Propeller installation ENON00006-A Note ENOW00085-A WARNING Recommended battery: 12V 100AH/5HR, 850 (Cold Cranking Amps (CCA), In case of Do not begin propeller removal and instal- cold whether: 12V120AH/5HR (1000CCA)) lation procedure with spark plug caps Specifications and features of batteries vary...

  • Page 25: Tocs (Tohatsu Onboard Communication System) Installation

    TOCS (Tohatsu Onboard Communication System) interface coupler can provide information regarding engine speed, fuel consumption, and various malfunction via an optional interface cable. Contact autho- rized Tohatsu dealer for more detail. ENOF00084-A 1. Propeller 2. Thrust holder 3. Stopper 4. Washer 5.

  • Page 26: Pre-Operating Preparations

    The fuel system components on your gasoline in the fuel tank for long periods TOHATSU engine will withstand up to 10% should be avoided. Long periods of stor- age, common to boats, create unique prob- ethyl alcohol (hererinafter referred to as the lems.

  • Page 27: Fuel Filling

    PRE-OPERATING PREPARATIONS age if alcohol has washed protective oil When or before refueling: films from internal components. Be sure to remove the static electricity charged in your body before refueling. The sparks due to static electricity may ENOW00018-0 cause explosion of flammable gasoline. WARNING Stop the engine, and do not start the engine during refueling.

  • Page 28: Engine Oil Recommendation

    PRE-OPERATING PREPARATIONS ENOF00027-A 1. Air vent screw 2. Fuel tank cap ENOF00850-0 2. Open the fuel tank cap slowly. Use only high quality 4-stroke engine oil to 3. Fill the fuel carefully not to over flow. insure performance and prolonged engine life.

  • Page 29: Break-In

    PRE-OPERATING PREPARATIONS ]ENOM00033-A 4. Break-In Your new outboard motor and lower unit Always attempt to stay on the windward side of emission. require break-in for the moving compo- 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 described in the following time table.

  • Page 30: Warning System

    PRE-OPERATING PREPARATIONS ENOM00039-0 1. Warning lamp 5. Warning system If outboard motor encounters an abnormal condition of fault, the warning horn will emit a continuous beep or intermittent short beeps and the warning lamp (LED) will synchronize with the horn and engine speed will be limited (engine will not be stopped).
  • Page 31 PRE-OPERATING PREPARATIONS ENOM00041-A Warning indicators, faults and remedy Warning indicators Description of faults Rem- or notice Remark Sound lamp lamp lamp Continu- Normal system test 1 second when key on High Engine speed exceeds Approx. Continu- speed maximum 6,200 r/min allowable RPM Continu- speed...
  • Page 32 PRE-OPERATING PREPARATIONS Remedy ENOM00870-0 Engine oil replacement indicator Reduce the throttle to less than half function reset method opening, and move to safe place As for "Engine oil replacement indicator quickly, and stop the engine. function", informing the appropriate timing Check the propeller for bent or dam- of engine oil replacement by blinking of the aged blades.
  • Page 33 PRE-OPERATING PREPARATIONS 4. Within 5-10 seconds you will here 3 beeps to inform you that you have suc- cessfully reset the system. ENOF00856-0 5. Turn the ley to the 'off' position and replace the safety lanyard lock. The engine oil replacement indicators function operates again after 100 hours operation from reset this function.

  • Page 34: Engine Operation

    ENGINE OPERATION ENOM00042-0 case the cap is loosened by using another procedure when internal pressure of fuel Before starting tank is raised by heat from sources such as sun light. ENOW00022-A CAUTION 1. Full open the air vent screw on the fuel tank cap.
  • Page 35 ENGINE OPERATION And be sure to remove the propeller, when starting the engine in the test tank. (See page 69) Run the engine only at idling. ENOF00861-A 1. Pull 2. Insert 4. Squeeze primer bulb until it becomes stiff to feed fuel to vapor separator. ENOF00863-0 Direct arrow mark upward when prim- 1.

  • Page 36: Tiller Handle Type

    ENGINE OPERATION ENON00010-0 ENOW00031-0 Note CAUTION Start-in-gear protection prevents engine If the engine starts in gear, do not use it. from starting at other than neutral shift. In- gear starting of engine will move the boat Contact an authorized dealer. immediately, potentially leading to falling 4.
  • Page 37 ENGINE OPERATION 2. Insert the main switch key. ENOW00032-0 CAUTION 3. Set the control lever in the Neutral position. Do not raise the free throttle Do not keep turning starter motor for over lever when starting the engine. 5 seconds, or the battery may be con- sumed, potentially making the engine start- 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 starter.

  • Page 38: Emergency Starting

    ENGINE OPERATION ENOM00042-A Emergency starting ENOW00099-A WARNING When the emergency starter rope is used for starting engine; Start in gear protection does not work. Be sure to shift is at neutral position. ENOF00871-0 Otherwise the engine will move the boat 1.

  • Page 39: Starting The Engine

    ENGINE OPERATION ENOF00873-0 ENOF00875-0 1. Bolt 1. Harness 2. Rubber grommet 3. Insert the knotted end of the starter 5. Be sure to install the stop switch lock rope into the notch in the flywheel and to the stop switch, and attach the stop wind the rope around the flywheel sev- switch lanyard securely to the operator eral turns clockwise.

  • Page 40: Warming Up The Engine

    ENGINE OPERATION all parts of the engine. Operating the Starting 850rpm 750rpm 650rpm engine without warm up shortens the engine's life. 950rpm 850rpm 750rpm Buzzer short sounded one time, when set to 650 rpm engine speed, and tells the lowest engine speed was set. Buzzer short sounded twice, when set to 950 rpm engine speed, and tells the high- est engine speed was set.
  • Page 41 ENGINE OPERATION Do not attach the tether to a part of ENOW00863-0 clothing that can be torn easily when CAUTION pulled. Arrange the tether so that will not be Idle speed may be higher during warming caught by any object when pulled. up of engine.
  • Page 42 ENGINE OPERATION ENOF00865-A 1. Shift lever ENOF00878-0 Forward 1. Throttle grip 1. Turn the throttle grip to reduce engine speed. ENOM0900-0 Side mount RC type 2. When the engine reaches trolling (or ENOW00867-0 idling) speed, quickly pull the shift lever WARNING to the Forward position.

  • Page 43: Stopping The Engine

    ENGINE OPERATION Forward 1. Quickly push the control lever to the Forward (F) position 32°, where the gear is connected, while lifting up on the lock button located under the con- trol lever grip. 2. Further forward motion will open the throttle.
  • Page 44 ENGINE OPERATION ENOF00881-0 2. Turn the main switch key to the OFF position. START ENOF00880-0 PUSH TO IDL CHAN 1. Throttle grip 2. Shift lever 3. Main switch key START 1. Turn the throttle grip to the slow posi- tion. 2.

  • Page 45: Steering

    ENGINE OPERATION ENOF00891-0 ENOM00920-0 6. Steering ENOW00870-0 WARNING ENOF00883-0 Sudden steering may cause passenger(s) 1. Stop switch 2. Stop switch lock to be thrown overboard or falling down. Tiller handle type Right turn Move the tiller handle to the left Left turn Move the tiller handle to the right.

  • Page 46: Trim Angle

    ENGINE OPERATION be adjusted to suit the transom angle of the hull, and load conditions. Choose an appropriate trim angle that will allow the anti-ventilation plate to run parallel to the water surface during operation. ENOM00052-0 Proper trim angle The position of the thrust rod is correct if the hull is horizontal during operation.

  • Page 47: Tilt Up And Down

    ENGINE OPERATION 4. Change the trim lock pin position as following picture. ENOF00053-0 ENOF01147-0 1. Snap pin 2. Thrust rod 5. Reinstall the thurst rod securely. 6. Operate the Power Tilt switch and lower the outboard. ENOM00060-A ENOF00888-0 1. Thrust rod 8.
  • Page 48 ENGINE OPERATION ENOW00056-A ENOM00066-A Tilt up WARNING 1. Move (UP) lock lever to “Free” position. 2. Fully tilt up the outboard motor. When tilting up outboard motor with fuel joint for over a few minutes, be sure to dis- 3. While keeping the outboard motor in connect fuel hose, or fuel may leak, poten- full tilt up position, move, (DOWN) lock tially catching fire.
  • Page 49 ENGINE OPERATION ENOF00067-A ENOF00889-0 1. Tilt stopper ENOF00067-0 ENOM00069-A Power Trim & Tilt type Tilt up 1. Operate the Power Trim & Tilt switch and tilt the outboard motor up. 2. Lock the tilt with the Tilt stopper after ENOF00889-0 1.

  • Page 50: Shallow Water Operation

    ENGINE OPERATION ENOM00940-0 ENOM00068-A Manual relief valve 9. Shallow water operation If the battery is dead, and the power trim & tilt switch thus inoperative, open the man- ENOW00051-0 ual valve completely in the Manual direc- WARNING tion. This will allow manual tilting of the outboard motor.
  • Page 51 ENGINE OPERATION ENOM00880-A Gas assist type 1. Move (UP) lock lever to “Free” position. Tilt up outboard motor into desired shallow water running. While keeping the outboard motor in the desired shal- low water running position, move (DOWN) lock lever “Lock” position. ENOF00064-A 1.

  • Page 52: Removing And Carrying The Outboard Motor

    REMOVING AND CARRYING THE OUTBOARD MOTOR ENOM00070-A 1. Removing the outboard motor ENOW00890-0 WARNING Before installing the outboard motor on the boat, hang the outboard motor with the hoist or equivalent device by attaching the engine hanger to the outboard. Use the hoist with allowable load is 250 kg (550 lbs) or above.

  • Page 53: Traillering

    REMOVING AND CARRYING THE OUTBOARD MOTOR Do not carry or store outboard motor in Elevate power unit 2 inches to 4 inches if any of positions described below. traveling to avoid oil spillage. Otherwise, engine damage or property damage could result from leaking oil. ENOF00072-B ENOM00072-A 3.
  • Page 54 REMOVING AND CARRYING THE OUTBOARD MOTOR ENOW00071-0 CAUTION The tilt support device supplied on your outboard motor is not intended for towing. It is intended to support the outboard motor while the boat is docked, beached, etc. When transporting a boat on a trailer with the outboard motor still attached, discon- nect the fuel line from the outboard motor beforehand and keep the outboard motor...

  • Page 55: Adjustment

    ADJUSTMENT Friction adjustment of the throttle grip can ENOM00073-0 1. Steering friction be made with the throttle adjustment screw. Tiller handle type ENOW00074-A WARNING Do not overtighten the steering friction lever it could result in difficulty of move- ment resulting in the loss of control caus- ing an accident and could lead to severe injury.

  • Page 56: Trim Tab Adjustment

    ADJUSTMENT Side mount type the anti-ventilation plate. If the boat veers toward the left direct the trim tab towards A (left from rear of boat). If the boat veers toward the right direct the trim tab towards B (right from rear of boat).

  • Page 57: Inspection And Maintenance

    INSPECTION AND MAINTENANCE ENOM00077-0 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 main- tenance as suggested in the maintenance schedules that follow. ENOW00077-0 CAUTION Your personal safety and that of your passengers depends on how well you...

  • Page 58: Daily Inspection

    INSPECTION AND MAINTENANCE ENOM00079-0 1. Daily Inspection Perform the following checks before and ENOW00078-0 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 59 INSPECTION AND MAINTENANCE Item Points to Check Remedy • Check if the anode is securely installed. Repair if necessary Other parts • Check the anode for corrosion and deformation. Replace ENOM00081-A Oil level checking If the oil level is low, or too high, the life of the engine will be shortened significantly.
  • Page 60 INSPECTION AND MAINTENANCE before storing outboard motor for long with local fire prevention and environ- ment protection regulations. time. Before flushing, remove the propeller Do not replenish engine oil over upper and the forward thrust holder. limit. If overfilled, remove oil to upper limit.

  • Page 61: Fuse Replacement

    If the fuse continues to blow, request an 10 cm (4 in.) above the anti ventilation authorized Tohatsu dealer to inspect the plate. outboard motor. And be sure to remove the propeller, when 1.
  • Page 62 INSPECTION AND MAINTENANCE 3. Remove the fuse box lid. 4. Remove the fuse and check it. If the fuse is blown, replace it with a fuse of the same specified rating. The out- board motor is supplied with spare fuses in the spare fuse holder. 1 2 3 ENOF00922-0 1.

  • Page 63: Periodic Inspection

    INSPECTION AND MAINTENANCE ENOM00090-0 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 64 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. Apply and pump in grease. (See Grease Nipples page 74) Outer Equipment...
  • Page 65 INSPECTION AND MAINTENANCE ENOF00923-0 ENOF00924-0 1. Drain hole 6. Tighten the oil drain screw with apply- 1. Filler cap 2. Dipstick ing oil on the sealing surface of screw. 3. Filler port (Use new oil drain washer) Oil drain screw specified torque 24Nm (17 ft lb, 2.4 kgf ENON00028-A...
  • Page 66 INSPECTION AND MAINTENANCE 2. Place a rag or towel below the oil filter Oil volume needed for complete oil replace- to absorb any spilled oil. ment With oil filter replace- Without oil filter 3. Unscrew old filter by turning the filter to ment replacement counter clockwise.
  • Page 67 INSPECTION AND MAINTENANCE ENOF00096-A ENOF00925-0 1. Body 1. Oil filter 2. O-ring 2. Fuel filter 3. Filter 4. O-ring ENOM00093-A 5. Cup Fuel filters and fuel tank cleaning 6. Arrow to indicate fuel flow direction ENOW00093-A 2. If present, disconnect hoses from the WARNING fuel connector (male) and the fuel Gasoline and its vapors are very flammable...
  • Page 68 INSPECTION AND MAINTENANCE 3. Reassemble all parts. ENOF00927-0 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 and bubbles is ENOF00926-0 disappeared to remove the air.

  • Page 69: Propeller Replacement

    INSPECTION AND MAINTENANCE ENOW00095-0 ENOM00086-A Propeller replacement CAUTION ENOW00084-0 Do not reuse oil plug gasket. Always use WARNING new gasket and tighten oil plug properly to prevent entry of water into lower unit. Do not begin propeller removal and installation procedure with spark plug c a p s a t t a c h e d , s h i f t i n f o r w a rd o r reverse, main switch at other than “OFF”, engine stop switch lock attached...
  • Page 70 INSPECTION AND MAINTENANCE ENOF00084-D ENOM00087-A Spark plugs replacement ENOF00084-B ENOW00087-0 WARNING 2. Remove the split pin, propeller nut and washer. Do not reuse spark plug with damaged 3. Remove the propeller and thrust insulation, or sparks can leak through holder. crack, potentially leading to electric shock, explosion and/or fire.
  • Page 71 INSPECTION AND MAINTENANCE 5. Inspect the spark plug. Replace the spark plug if the electrodes are worn or i f t h e i n s u l a t o r s a re c r a c k e d o r chipped.

  • Page 72: Anode Replacement

    INSPECTION AND MAINTENANCE ENOM00088-A Anode replacement A sacrificial anode protects the outboard motor from electrolytic corrosion. Anode is located on the gear case, cylinder etc.. When the anode is eroded more than 1/3 of origi- nal size, replace it. ENON00029-0 Notes Never grease or paint the anode.
  • Page 73 INSPECTION AND MAINTENANCE ENOM00089-A 2. Oil level Power Trim & Tilt oil checking Recommended oil Use an automatic transmission fluid or ENOW00088-0 equivalent. WARNING Recommended oils are as shown below. Be sure that outboard motor is secured ATF Dexron III to transom or service stand, or acciden- tal drop or fall of outboard motor could Air purging from the Power Trim and...
  • Page 74 INSPECTION AND MAINTENANCE ENOM00960-0 Grease point Apply water proof grease to the parts shown below. ENOF00931-0...

  • Page 75: Off-Season Storage

    INSPECTION AND MAINTENANCE 2. Use a dry cloth to completely wipe off ENOM00100-A 3. Off-season storage water and salt from the electrical com- ponents. ENOW00934-0 3. Drain all fuel from the fuel hoses, fuel WARNING pump, fuel filter (See page 67) and vapor separator (See page 77), and Be sure to disconnect fuel connector clean these parts.

  • Page 76: Adding A Fuel Stabilizer

    INSPECTION AND MAINTENANCE 9. Stand the outboard motor up vertically Elevate power unit 2 inches to 4 inches if traveling to avoid oil spillage. in a dry place. ENOF00072-B ENOM00950-0 Adding a fuel stabilizer When adding a fuel stabilizer additive (commercially available), first fill the fuel tank with fresh fuel.
  • Page 77 INSPECTION AND MAINTENANCE 8. Check the drained fuel for the pres- ENOM00970-0 Fuel system draining ence of water or other contaminants. If ENOW00028-A either is present, reassemble the out- WARNING board motor, refill the vapor separator with fuel, and then drain the fuel again. For details on handling fuel, contact an Repeat this procedure until no water or authorized dealer.

  • Page 78: Pre-Season Check

    INSPECTION AND MAINTENANCE 5. Recharge the battery once a month to 8. Run the engine for 5 minutes at the prevent it from discharging and the slowest speed. electrolyte from deteriorating. 9. Run the engine for 10 minutes at half 6.

  • Page 79: Cold Weather Precautions

    INSPECTION AND MAINTENANCE 4. Inject a sufficient amount of engine oil through the spark plug holes. Pull the emergency starter rope several times to circulate the oil throughout the outboard motor. ENOM00106-A 6. Cold weather precautions If you moor your boat in cold weather at ENOF01145-0 temperatures below 0°C (32°F), there is the danger of remained water freezing in...

  • Page 80: Troubleshooting

    TROUBLESHOOTING ENOM00108-0 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 Incorrect connection of fuel system Air entering fuel line Deformed or damaged fuel hose...
  • Page 81 TROUBLESHOOTING Possible cause Low compression Carbon deposits in the combustion chamber Incorrect valve clearance Low oil pressure/level, oil pump failure, Clogged oil filter (Pressure switch ON) Insufficient cooling water flow, clogged or defective pump Faulty thermostat Cavitations or ventilation Incorrect propeller selection Damaged or bent propeller Improper thrust rod position Unbalanced load on boat...

  • Page 82: Tool Kit And Spare Parts

    TOOL KIT AND SPARE PARTS ENOM00109-0 The following a list of the tools and spare parts provided with the motor. Items Quantity Remark Socket wrench 16 Socket wrench 10-13 Tool bag Socket wrench handle Pliers ± Screwdriver Emergency starter rope Spark plug NGK DCPR6E Propeller nut split pin...

  • Page 83: Propeller Table

    PROPELLER TABLE ENOM00111-0 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. 40/50: 5000–6000 rpm Propeller Propeller Size (Diameter × pitch x Diameter) Mark Light boats CS17...
  • Page 84 OWNER’S MANUAL 003-11106-1 1412NB Printed in Japan...

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