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PARTS NAME

ENOM00020-0

ET (with multi-function tiller handle), EPT

ENOF01137-0

Tilt Handle

Top Cowl

Bottom Cowl

Cooling Water Check Port

PT Switch

Oil Drain Plug

Anti-ventilation Plate

Trim Tab

Sub-water Inlet

Propeller

Oil Plug (Lower)

Cooling Water Inlet

Oil Plug (Upper)

Splash Plate

Anode

Clamp Bracket

Clamp Screw

Stop Switch

PT Switch

Key Switch

Shift Lever

Throttle Grip

Recoil Starter Handle

Oil Filter

Fuel Filter

Spark Plug

Oil Filler Cap

Flushing Connector Cap

Warning Lamp

Multi-function Tiller handle *1

Stop Switch Lanyard

Power Trim & Tilt

*1: Option

Содержание MFS 25C

Страница 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 MFS 30C Original instructions MFS 25C OB No 003 11117 5AH1 ...

Страница 2: ...IONS IN THIS MANUAL CAN RESULT IN SERIOUS INJURY OR DEATH KEEP THIS MANUAL IN A SAFE LOCATION FOR FUTURE REFERENCE Copyright 2018 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 ...

Страница 3: ...t the time of approval for printing Tohatsu Corporation reserves the right to make changes at any time without notice and without incurring any obligation Please always keep this manual together with the outboard motor as a reference to everyone who uses the outboard motor If the outboard motor is resold make sure the manual is passed on to the next owner We hope you will enjoy your outboard motor...

Страница 4: ...OARD MOTOR WILL 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 ENOM00005 A Serial Number In the space below please record the outboard motor s serial number indicated both on the swivel bracket and on the cylinder block The serial nu...

Страница 5: ...ion to such information to ensure safe operation of the outboard motor at all times ENOW00001 0 Failure to observe will result in severe personal injury or death and possibly property damage ENOW00002 0 Failure to observe could result in severe personal injury or death or property damage ENOW00003 0 Failure to observe could result in personal injury or property damage ENON00001 0 Note This instruc...

Страница 6: ......

Страница 7: ...arting the engine 36 3 Warming up the engine 42 4 Forward reverse and acceleration 43 5 Stopping the engine 46 6 Steering 48 7 Trim angle 49 8 Tilt up and down 51 9 Shallow water operation 53 8 REMOVING AND CARRYING THE OUTBOARD MOTOR 55 1 Removing the outboard motor 55 2 Carrying the outboard motor 55 3 Trailering 56 9 ADJUSTMENT 58 1 Steering friction 58 2 Throttle grip friction 58 3 Remote cont...

Страница 8: ...8 Operation with multiple outboard motors 82 11 TROUBLESHOOTING 83 12 ACCESSORIES KIT 85 13 PROPELLER TABLE 86 ...

Страница 9: ...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 ACCESSORIES KIT 13 PROPELLER TABLE INDEX 2 1 3 4 5 6 7 8 9 10 11 12 13 1 1 ...

Страница 10: ...R ANY SOLID DEVICE RIGIDLY ATTACHED TO A BOAT OR GEAR HOUSING ENOM0008 A EMERGENCY STOP SWITCH The Emergency Stop Switch will stall the outboard motor when the stop switch lan yard is pulled off This stop switch lanyard has to be attached to the operator of the outboard motor to minimize or prevent injuries from the propeller in case the opera tor falls overboard It is operator s responsibility to...

Страница 11: ...fe operation Please comply with all instructions concerning lubrication and maintenance You should take the engine to an authorized dealer or service shop for periodic inspection at the pre scribed intervals Correct periodic maintenance and proper care of this outboard motor will reduce the chance of problems and limit overall operating expenses Carbon Monoxide Poisoning Hazard Exhaust gas contain...

Страница 12: ... z z z z Power Tilt z z Gas assisted tilt Manual tilt z z z z F 30 C E P T L Model description Horse power Product generation Starter system Steering system Tilt system Shaft length F Four stroke D Two stroke DI A and up E Electrical start M Manual start P Remote control Pleasure F Tiller handle Fisher Multi function tiller handle is available as an optional part T Power trim tilt G Gas assist Bla...

Страница 13: ...0 6250 Idle Speed min 1 rpm 850 30 Engine Type 4 Stroke fuel injection Number of Cylinder 3 Bore Stroke mm in 61 60 2 40 2 36 Piston Displacement cm3 Cu in 526 32 09 Exhaust System Through hub exhaust Cooling System Water cooling Lubrication System Trochoid pump Starting System Manual Electric starter motor 2 Ignition System Flywheel Magneto C D ignition Spark Plug NGK DCPR6E Alternator 12V 120W 1...

Страница 14: ...0C 5250 6250 Idle Speed min 1 rpm 850 30 Engine Type 4 Stroke fuel injection Number of Cylinder 3 Bore Stroke mm in 61 60 2 40 2 36 Piston Displacement cm3 Cu in 526 32 09 Exhaust System Through hub exhaust Cooling System Water cooling Lubrication System Trochoid pump Starting System Electric starter motor 2 Ignition System Flywheel Magneto C D ignition Spark Plug NGK DCPR6E Alternator 12V 120W 15...

Страница 15: ...ug 6 Anti ventilation Plate 7 Trim Tab 8 Sub water Inlet 9 Propeller 10 Oil Plug Lower 11 Cooling Water Inlet 12 Oil Plug Upper 13 Splash Plate 14 Anode 15 Clamp Bracket 16 Clamp Screw 17 Tiller Handle 18 Throttle Grip 19 Shift Lever 20 Recoil Starter Handle 21 Oil Filter 22 Fuel Filter 23 Spark Plug 24 Oil Filler Cap 25 Flushing Connector Cap 26 Warning Lamp 27 Stop Switch 28 Stop Switch Lanyard ...

Страница 16: ...tilation Plate 7 Trim Tab 8 Sub water Inlet 9 Propeller 10 Oil Plug Lower 11 Cooling Water Inlet 12 Oil Plug Upper 13 Splash Plate 14 Anode 15 Clamp Bracket 16 Clamp Screw 17 Stop Switch 18 PT Switch 1 19 Key Switch 20 Shift Lever 21 Throttle Grip 22 Recoil Starter Handle 23 Oil Filter 24 Fuel Filter 25 Spark Plug 26 Oil Filler Cap 27 Flushing Connector Cap 28 Warning Lamp 29 Multi function Tiller...

Страница 17: ...Anti ventilation Plate 8 Trim Tab 9 Sub water Inlet 10 Propeller 11 Oil Plug Lower 12 Cooling Water Inlet 13 Oil Plug Upper 14 Splash Plate 15 Anode 16 Clamp Bracket 17 Clamp Screw 18 Stop Switch 19 PT Switch 20 Key Switch 21 Shift Lever 22 Throttle Grip 23 Recoil Starter Handle 24 Oil Filter 25 Fuel Filter 26 Spark Plug 27 Oil Filler Cap 28 Flushing Connector Cap 29 Warning Lamp 30 Multi function...

Страница 18: ...ntrol box Fuel tank 1 Control Lever 2 Neutral lock arm 3 PTT switch 4 Free throttle lever 5 Main switch 6 Stop switch 7 Stop switch lock 8 Stop switch lanyard 9 Fuel gauge 10 Air vent screw 11 Fuel tank cap 12 Fuel connector Engine side 13 Primer bulb 14 Fuel connector Fuel tank side ...

Страница 19: ...19 4 LABEL LOCATIONS ENOM00019 A Warning label locations 1 2 10 11 9 8 7 6 3 4 5 ENOF01134 3 ...

Страница 20: ...unction See page 32 4 Warning label regarding stop switch See page 38 46 and 47 5 Warning label regarding position of outboard motor when setting down For tiller handle model 6 Warning label regarding stop switch See page 38 and page 40 For RC model 7 Warning label regarding stop switch lanyard 8 Warning regarding gasoline 9 Warning regarding gasoline See page 28 ENOF00120 0 3PA 72181 100 1 2 3 4 ...

Страница 21: ...LABEL LOCATIONS 21 4 10 Warning regarding gasoline See page 28 11 Warning regarding gasoline See page 28 ENOF00005 M ENOF00005 F ...

Страница 22: ...ame 6 Manufacturer address CE label locations r e w o P d e t a R r o t o M d r a o b t u O o N l a i r e S s s a M n a p a J n i e d a M 0123 CAN ICES 2 NMB 2 ENOF01129 1 2 3 4 5 6 1 Description of serial number year code Last two digits of alphabet represent production year as below Year Code AG AH AK BX BA Year of manufacture 2017 2018 2019 2020 2021 ...

Страница 23: ...or maneuverability lack of control or fire z Loose clamp screws and or mounting bolts can lead to the release or displace ment of the outboard motor possibly resulting in lost of control and or serious personal injury Be sure that fasteners are tightened to the specified torque 30 N m 3 0 kgf m 13 ft lb Check the fasteners for tightness from time to time z Be sure to use outboard mounting fasten e...

Страница 24: ...gh waves water may enter the engine cylinders z 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 opening of the bottom cowling during cruising Exposing the engine to such conditions for extended periods can lead to severe engine d...

Страница 25: ...of the transom can cause personal injury z Tighten the bolts sufficiency otherwise falling down of outboard could be hap pened ENON00003 0 Notes 1 Apply sealing agent such as silicone sealed between the bolts and the transom board holes before tighten ing the bolts 2 Be sure to tighten the mounting bolt nuts to the specified torque 30 N m 3 0 kgf m 13 ft lb ENOM00840 0 ENOW00850 0 Remote control b...

Страница 26: ...f it comes in contact with your skin or poison ous if swallowed Keep battery and electrolyte away from reach of children When handling the battery be sure to z Read all warnings shown on the battery case z Prevent electrolyte from coming in con tact with any part of your body Contact can cause serious burn or if it comes in contact with your eye loss of sight Use safety glasses and rubber gloves I...

Страница 27: ...s of batteries vary among the manufacturers Consult the manufacturer for details The battery should be purchased sepa rately and is not supplied with the out board motor 1 Place the battery box in a convenient position away from possible water spray Securely fasten both the box and the battery so they do not shake loose 2 Connect the positive lead to the positive terminal of the battery and then c...

Страница 28: ... gasoline can absorb moisture from the air resulting in a separation of the water ethanol from the gasoline in the fuel tank These may cause increased z Corrosion of metal parts z Deterioration of rubber or plastic parts z Fuel permeation through rubber fuel lines z Starting and operating difficulties If the use of gasoline containing alcohol is inevitable or presence of alcohol is suspected in th...

Страница 29: ...ed in your body before refueling z The sparks due to static electricity may cause explosion of flammable gasoline z Stop the engine and do not start the engine during refueling z Do not smoke z Be careful not to overfill fuel tank Wipe up any spilled gasoline immediately When or before cleaning the gasoline tank z Dismount fuel tank from the boat z Place the fuel tank away from every source of ign...

Страница 30: ...structions See page 67 Use only high quality 4 stroke engine oil to insure performance and prolonged engine life The SAE oil viscosity 10W 30 or 10W 40 FC W outboard motor engine oil is rec ommended You can also use oils that carry the API rating of SH SJ or SL Select the appro priate viscosity based on atmospheric temperature from the chart below ENOW0002A A Use of engine oils that do not meet th...

Страница 31: ...operation of the outboard motor z Keep peripheral area well ventilated z Always attempt to stay on the windward side of emission ENOW00023 1 Operating the outboard motor without break in can shorten service life If any abnormality is experienced during the break in z Discontinue the operation immediately z Have the dealer check the product and take proper action s if necessary ENON00008 0 Note Pro...

Страница 32: ...ondition or fault ENOM00040 A Location of warning buzzer and lamp Warning buzzer RC model Located inside the remote control Multi Function tiller handle model Located in the tiller handle Tiller handle model Located in the engine cover Warning lamp LED RC model Located in the tachometer bottom cowl Multi Function tiller handle Tiller han dle models Located on the bottom cowl ENON00009 A Note Warni...

Страница 33: ...he engine speed varies and be controlled under 6300 min 1 rpm Low speed ESG Low speed ESG is a device to prevent the engine from getting damage If the engine has problems regarding cooling water oil pressure and sensors the low speed ESG is activated not to ignite the spark plug and disable fueling therefore the engine speed varies and be controlled under 2800 min 1 rpm Warning indicators Descript...

Страница 34: ...sult your dealer if the engine oil level is too low or too high 3 Move to safe place quickly and check the discharge of cooling water from the water check port at idle speed and stop engine Remove any foreign matter on the gear case and propeller if necessary Consult an authorized dealer if no discharge of cooling water 4 Consult an authorized dealer ENOW00025 A z Low speed ESG ON Engine speed wil...

Страница 35: ... procedure described below Fuel could blast out through the fuel tank cap in case the cap is loosened by using another procedure when internal pressure of fuel tank is raised by heat from sources such as sun light ENOW00947 0 When using a separate tank be sure that the fuel line is not kinked and is connected securely 1 Full open the air vent screw on the fuel tank cap 1 Air vent screw 2 Fuel tank...

Страница 36: ...cooling water check port is not discharging water and check if cooling water intake is blocked Operating engine could lead to overheating potentially leading to engine damage Con sult an authorized dealer if the cause cannot be found ENOW00032 A Do not hold turning starter motor more than 5 seconds or the battery may be consumed potentially making the engine starting impossible and or damaging the...

Страница 37: ...p switch lock 2 Set the control lever in the Neutral position 1 Shift lever 3 Set the throttle grip to START posi tion 1 Throttle grip For manual starter type This engine is equipped with a compres sion release mechanism 4 Pull the starter handle slowly until you feel engagement keep pulling till you feel less resistance Then pull it quickly repeat if necessary until started 1 Slowly 2 Quickly 3 S...

Страница 38: ...tion Device 1 Stop switch lock 2 Main switch key 2 Insert the main switch key 3 Set the control lever in the Neutral position 1 Shift lever ENOW00031 0 If the engine starts in gear do not use it Contact an authorized dealer 4 Set the throttle grip to START posi tion 1 Throttle grip 5 Turn the main switch key to ON posi tion and turn the main switch key to START position and release the key when th...

Страница 39: ...Side mount RC 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 1 Stop switch lock 2 Insert the main switch key 3 Set the control lever in the Neutral position Do not raise the free throt tle lever when starting the engine 1 Neutral N 2 Control lever 3 Fully opened Forward...

Страница 40: ...er from cool ing water check port ENOM00042 A Emergency starting ENOW00099 A When the emergency starter rope is used for starting engine z Start in gear protection does not work Be sure to shift is at neutral position Other wise the engine will move the boat imme diately and cause personal injury z Be careful that your clothes or other items do not get caught in the rotating engine parts z To prev...

Страница 41: ...veral turns clockwise 5 Tie a loop in the another end of the emergency starter rope and attach socket wrench that is included in the tool kit ENOW00860 0 Be sure to keep the harness away from the rotation parts 6 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 7 Set the control...

Страница 42: ...d about 400 min 1 rpm for several minutes ENOM00972 0 Free throttle lever Side mount RC type ENOW00956 0 z Keep the free throttle lever fully closed position when start the engine z The free throttle lever is inoperative unless the control lever is in neutral z Also the control lever is inoperative unless the free throttle lever is returned to the fully closed position The free throttle lever is f...

Страница 43: ...rator s PFD Personal Flotation device or arm and keep it attached during cruising z Do not attach the tether to a part of clothing that can be torn easily when pulled z Arrange the tether so that will not be caught by any object when pulled z Be careful not to pull the tether acciden tally during cruising Unintentional stop of engine can cause loss of control of out board motor Rapid loss of engin...

Страница 44: ...or engine damage may occur ENOM00890 A Tiller handle type ENOW00865 0 Do not force to shift when the throttle grip is not in the fully closed position otherwise steering system and or shifting mechanism may be damaged The control lever is inop erative unless the throttle grip is in the fully closed position Multi function tiller type 1 Shift lever 1 Shift lever Forward 1 Turn the throttle grip to ...

Страница 45: ...rd 5 Fully opened Reverse 6 Free throttle lever 7 Control lever 8 Neutral lock arm 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 control lever grip 2 Further forward motion will open the throttle Reverse 1 Quickly pull the control lever to the Reverse R position at 32 where the gear is connect...

Страница 46: ...an cause loss of steering control It can also cause loss of boat speed possibly leading the crew s and or objects on the boat to be thrown forward due to inertial force Tiller handle type 1 Turn the throttle grip to the slow position 1 Throttle grip 2 Put the shift lever in the Neutral position Run the engine for 2 3 minutes at idling speed for cooling down if it has been running at full speed 3 P...

Страница 47: ...at full speed 1 Control lever 2 Main switch key 2 Turn the main switch key to the OFF position 1 ON 2 START 3 OFF ENOW00869 0 After stopping the engine z Close the air vent screw on the fuel tank cap z Disconnect the fuel connector of the engine and the fuel tank z Disconnect the battery cord after each use Emergency engine stopping Remove stop switch lock to stop the engine 1 Stop switch 2 Stop s...

Страница 48: ...water be sure to use emergency stop switch lock of the spare Be sure to confirm the spare stop switch lock is in the tool bag before begin to operate ENOM00920 0 ENOW00870 0 Sudden steering may cause passenger s 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 Remote control type Right turn Turn th...

Страница 49: ...gle before continuing cruise z 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 The trim angle of the outboard motor can 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 oper...

Страница 50: ...st rod position as following picture 1 Push in 2 Rise the stopper 3 Pull out 5 Reinstall the thrust rod securely 6 Gentry lower the outboard Trim angle adjustment Power tilt type The transom angle adjustment 1 Stop the engine 2 Operate the Power Tilt switch and raise the outboard motor to the tilt up position 3 Lock the tilt with the Tilt stopper 4 Change the trim lock pin position as following pi...

Страница 51: ...minutes be sure to dis connect fuel hose or fuel may leak poten tially catching fire ENOW00057 0 Do not tilt up outboard motor while engine operates or no cooling water may be fed leading to engine seizure due to overheating ENON00921 0 Note Before tilting the outboard motor up after stopping the motor leave it in the running position for about a minute to allow water to drain from inside the engi...

Страница 52: ...Release the tilt stopper from the set up position while slightly tilting up outboard motor 2 Operate the Power Tilt switch and tilt the outboard motor down until the motor touches to the thrust rod 1 Tilt stopper The outboard motor can also be tilted up and down using the switch provided under the bottom cowl It is possible to tilt up or down in spite of main switch ON or OFF ENOM00940 0 Manual re...

Страница 53: ...al direction 1 Power 2 Manual ENOM00068 A ENOW00051 0 During shallow water operation be careful not to place your hand between the swivel bracket and the clamp bracket Be sure to tilt the outboard motor down slowly ENOW00053 0 While in shallow water drive position do not operate the outboard motor in Reverse Operate the outboard motor at slow speed and keep the cooling water intake sub merged ENOW...

Страница 54: ... up position 3 Tilt down position 2 Return to normal running position Put the reverse lock lever in the tilt down position slightly lift up the outboard motor and then put it down 1 Reverse lock lever 2 Tilt up position 3 Tilt down position ENOM00069 A Power Tilt type 1 Operate the Power Tilt switch and tilt the outboard motor up into desired shallow water running position 1 2 3 ENOF00059 0 1 2 3 ...

Страница 55: ...te control cables and the bat tery cords from the outboard motor 4 Attach the hoist hooks to the engine hanger 5 Remove the outboard motor from boat and completely drain the water from the gear case ENOM00071 A ENOW00933 0 Be sure to disconnect fuel connector except when operating engine Fuel leakage is a fire or explosion hazard which can cause serious injury or death ENOW00065 0 Close air vent s...

Страница 56: ... engine oil then the port side faces down as shown in the following draw ing z Elevate power unit 2 inches to 4 inches if traveling to avoid oil spillage ENOM00072 A ENOW00072 0 Trailering in the tilted position may cause damage to the outboard motor boat etc ENOW00073 A Be sure to disconnect fuel connector except when operating engine Fuel leakage is a fire or explosion hazard which can cause ser...

Страница 57: ... motor beforehand and keep the outboard motor in the normal running position or on a transom saver bar Tiller handle type To prevent the outboard motor from moving when it is attached on a boat during transport on a trailer properly tighten the steering friction lever page 58 1 Ground clearance should be provided sufficiently 2 Transom saver bar ENOW00067 0 Do not go under outboard motor tilted up...

Страница 58: ...and could lead to severe injury Friction adjustment of the throttle grip can be made with the throttle adjust ment screw 1 Throttle friction adjustment screw 2 Decrease 3 Increase 1 Increase 2 Decrease 3 Throttle friction adjustment screw ENOM00075 0 ENOW00074 C Do not overtighten the remote control throttle friction adjustment screw or it could result in difficulty of movement resulting in the lo...

Страница 59: ...ead to severe personal injury ENOW00075 1 Inappropriate adjustment of trim tab could cause steering difficulty After installing or readjusting trim tab check if steering load is even If straight line cruising can not be achieved adjust the trim tab located under the anti ventilation plate z If the boat veers toward the left direct the trim tab towards A left from rear of boat z If the boat veers t...

Страница 60: ...on and mainte nance procedures described in this sec tion z The maintenance intervals shown in the checklist apply to an outboard motor in normal use If you use your outboard motor under severe conditions such as frequent full throttle operation fre quent operation in brackish water or for commercial use maintenance should be performed at shorter intervals If in doubt consult your dealer for advic...

Страница 61: ...functions normally and make sure the stop switch lock is there Remedy or replace if necessary Check cords for loose connections and damage Correct or replace if necessary Check the spark plugs for dirt wear and carbon build up Clean or replace if necessary Check the warning buzzer one beep and warning LED lamp ON for 5 to 7 secs when start up Repair Recoil starter Check the rope for wear and chafi...

Страница 62: ...ith an authorized dealer if the engine oil is milky color or appears con taminated ENOM00082 A Engine oil replenishing ENOW00079 A z Do not add engine oil of brand and grade other than existing one In case engine oil of other brand or grade is added drain all oil and ask dealer for treatment z In case other than engine oil such as gas oline is put in the oil chamber empty the chamber and ask deale...

Страница 63: ...of time ENOW00920 0 When washing the outboard motor be care ful not to spray the water inside of the top cowl especially electrical components ENON00026 0 Note It is recommended to check chemical properties of water on which your out board motor is regularly used If outboard motor is used in salt water brackish water or water with a high acidic level use fresh water to remove salt chemicals or mud...

Страница 64: ...id over heating and water pump dam age be sure the water level is at least 10 cm 4 in above the anti ventilation plate And be sure to remove the propeller when starting the engine in the test tank See page 72 Run the engine only at idling 1 Test tank 2 Water 3 Over 10 cm 4 in ENOM00950 0 Fuse replacement ENOW00923 0 Before replacing a fuse disconnect the bat tery cable from the battery negative te...

Страница 65: ... cable from the battery nega tive terminal 2 Remove the engine cover 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 outboard motor is supplied with spare fuses in the spare fuse holder 1 Blown fuse 1 ENOF01122 0 ...

Страница 66: ...e 70 Fuel tank cap z z Check and clean or Replace if necessary Fuel pump 1 z z Check and clean or Replace if necessary Ignition Spark plug z z Check gaps Remove carbon deposits or Replace if necessary See page 73 0 8 0 9 mm 0 031 0 035 in Starting System Starter rope z z Check for wear or chafing Starter motor 1 z Check for salt deposits and the battery cable condition Battery z z Check installati...

Страница 67: ... if spilled and dispose of it in accordance with local fire prevention and environ ment protection regulations ENOW00090 0 Use of engine oils that do not meet these requirements will result in reduced engine life and other engine problems Lower Unit Propeller z z Check for bent blades damage wear Replace if necessary See page 72 Gear oil Replace z z Replace z Change or replenish oil and check for ...

Страница 68: ...ng surface of screw Use new oil drain washer Oil drain screw specified torque 24N m 17 ft lb 2 4 kgf m ENON00028 A Note If a torque wrench is not available when you are fitting a oil filter a good estimate of the correct torque is 3 4 to 1 a turn past finger tight Have the oil filter adjusted to the correct torque as soon as possible with a torque wrench 7 Reset the engine in a vertical posi tion ...

Страница 69: ... oil well immediately if spilled and dispose of it in accordance with local fire prevention and environment pro tection regulations 1 Drain oil from the engine 2 Place a rag or towel below the oil fil ter to absorb any spilled oil 3 Unscrew old filter by turning the fil ter to counter clockwise 4 Clean the mounting base Apply film of clean oil to O ring Do not use grease Install oil filter and tig...

Страница 70: ... parts in place or fuel leak could occur leading to catching fire or explosion z Check fuel system regularly for leakage z Contact authorized dealer for fuel system services Services by unqualified person could lead to engine damage Fuel filters are provided inside the fuel tank and engine ENOM00094 0 Fuel filter for engine 1 Check in the cup for water and debris 1 Body 2 O ring 3 Filter 4 O ring ...

Страница 71: ...d motor could lead to severe personal injury z Be sure to lock outboard motor if it is tilted up or accidental fall of outboard motor could lead to severe personal injury z Do not go under outboard motor tilted up and locked or accidental fall of outboard motor could lead to severe personal injury 1 Tilt down the outboard motor 2 Remove the oil plugs lower and upper and completely drain the gear o...

Страница 72: ...oz ENOM00086 A Propeller replacement ENOW00084 0 z Do not begin propeller removal and installation procedure with spark plug caps attached shift in forward or reverse main switch at other than OFF engine stop switch lock attached to the switch and starter key attached or engine could accidentally start leading to serious personal injury Disconnect bat tery cable if possible z The propeller edge is...

Страница 73: ...Propeller nut torque 25 N m 18 ft lb 2 5kgf m 7 Install a new split pin into the nut hole and bend it ENOM00087 A Spark plugs replacement ENOW00087 0 z Do not reuse spark plug with damaged insulation or sparks can leak through crack potentially leading to electric shock explosion and or fire z Do not touch spark plugs immediately after stopping engine as they will be hot and could cause severe bur...

Страница 74: ...e 0 8 0 9 mm 0 031 0 035 inches If the gap is different replace the spark plug with a new one Use spark plug NGK DCPR 6E 1 Electrode 2 Spark gap 0 8 0 9 mm 0 031 0 035 in 7 Install the spark plug by hand and turn it carefully to avoid cross threading 8 Tighten the spark plug to the speci fied torque ENON00028 0 Note z Spark plug torque 18 0 N m 13 3 ft lb 1 84 kgf m If a torque wrench is not avail...

Страница 75: ... is located on the gear case cylinder etc When the anode is eroded more than 1 3 of original size replace it ENON00029 0 Notes z Never grease or paint the anode z At each inspection re tighten the anode attaching bolt As it is likely to be subjected to elec trolytic corrosion 1 Both side 2 Remove fuel filter to access the anode ENOF01125 0 1 2 ...

Страница 76: ...ervoir tank while the tank is kept in a vertical posi tion 1 Tilt the outboard motor up and lock the tilt with the tilt stopper 2 Remove the oil cap by turning counter clockwise then check if the oil level reaches the bottom line of the plug hole 1 Oil cap 2 Oil level Recommended oil Use an automatic transmission fluid or equivalent Recommended oils are as shown below ATF Dexron III Air purging fr...

Страница 77: ...INSPECTION AND MAINTENANCE 77 10 ENOM00960 0 Grease point Apply water proof grease to the parts shown below ENOF01118 0 ...

Страница 78: ...er system thoroughly with fresh water Drain the water completely Wipe off any surface water with an oily rag 2 Remove the fuel hose from the out board motor 3 Drain all fuel from the fuel hoses fuel pump fuel filter See page 70 and vapor separator See page 80 and clean these parts Keep in mind that if gasoline is kept in the vapor separator for a long time gum and varnish will develop causing the ...

Страница 79: ... additive commercially available first fill the fuel tank with fresh fuel If the fuel tank is only partially filled air in the tank can cause the fuel to deteriorate during storage 1 Before adding fuel stabilizer additive drain the vapor separator See page 80 2 Follow the instructions on the label when adding the fuel stabilizer addi tive 3 After adding the additive let the outboard motor run in t...

Страница 80: ...g fuel 4 Loosen the vapor separator drain screw 5 Tilt up the outboard motor until fuel flows out of the drain tube 6 Leave the outboard motor in this position until all fuel has been drained 7 When thoroughly drained retighten the drain screw securely 8 Check the drained fuel for the pres ence of water or other contami nants If either is present reassemble the outboard motor refill the vapor sepa...

Страница 81: ...art model in order to prime the oil pump 6 Fill fuel tank completely 7 Start the engine and warm up the engine for 3 minutes in the NEU TRAL position 8 Run the engine for 5 minutes at the slowest speed 9 Run the engine for 10 minutes at half throttle The oil used for storage inside the engine will be circulated out to assure optimum performance ENOM00105 A ENOW00098 0 Do not attempt to start subme...

Страница 82: ...r etc To avoid this problem submerge the lower half of the outboard motor into the water ENOM00107 A ENOW00935 0 Striking the sea bottom or an underwater object may severely damage the outboard motor Follow the procedure below and consult a dealer as soon as possible 1 Stop the engine immediately 2 Check the control system gear case boat transom etc 3 Return to the nearest harbor slowly and carefu...

Страница 83: ...Fuel pump mulfunction z Use of improper engine oil z z z Use of improper gasoline z z z High pressure fuel pump FFP low performance or clogging z z z Low engine oil level z z High engine oil level smoke happens z z z Clogged oil filter z z z Oil pump mulfunction ELECTRICAL SYSTEM z z z z z z z z Electrical components out of range or improper or loose wiring connection z z z Spark plug other than s...

Страница 84: ...failure z z Excessive wear of piston piston ring or cylinder z z Insuffcient tigtening of spark plug OTHERS z z Faulty thermostat z z Cavitations or ventilation z z Incorrect propeller selection z z Damaged or bent propeller z Improper thrust rod position z Unbalanced load on boat z z Transom too high or too low z A great deal of air is contained inside pump z Insufficient throttle aperture Diffic...

Страница 85: ... Cross and straight point Screwdriver handle 1 Spare parts Emergency starter rope 1 Spark plug 1 NGK DCPR6E Split pin 1 Stop switch lock 1 Parts Packaged with Engine Fuel tank 1 25 L Primer bulb 1 set Rigging bolt set Manual tilt Model Bolt 2 M8 x 85 mm Washer 4 M8 Nut 2 M8 Bolt 4 M12P1 25 x 105 mm Power tilt Model Washer 4 13 34 3 Washer 4 M12 Nut 4 M21 5 Cable joint set E and ET Model Cable join...

Страница 86: ...ide open throttle while cruising is within the recommended range 25 5000 6000 min 1 rpm 30 5250 6250 min 1 rpm Propeller Mark Propeller Size Diameter pitch in mm Light boats 14 9 9 14 2 252 360 DS13 9 6 13 244 330 DS12 9 8 12 249 305 DS11 9 8 11 249 279 DS10 9 72 10 247 254 DS9 9 72 9 247 229 Heavy boats 8 10 2 8 3 260 210 ...

Страница 87: ...O W N E R S M A N U A L 5 4 Azusawa 3 Chome Itabashi Ku Tokyo 174 0051 Japan Tel 81 3 3966 3117 Fax 81 3 3966 0090 www tohatsu com MFS 25C MFS 30C ...

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