TOHATSU MFS 15E Owner'S Manual Download

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O W N E R’ S
M A N U A L

AAAA

MFS 9.9E

MFS 20E

MFS 15E

OB No.003-11143-7BB1

Summary of Contents for MFS 15E

Page 1: ...O W N E R S M A N U A L AAAA MFS 9 9E MFS 20E MFS 15E OB No 003 11143 7BB1...

Page 2: ...ts 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 This product can expose you to chemicals i...

Page 3: ...motor Any person operating TOHATSU outboard motor must carefully read and fully under stand the entire contents of this manual prior to operation For safety follow all safety warnings contained within...

Page 4: ...00003 1 PRE DELIVERY INSPECTION Make sure Pre delivery inspection has been properly done by authorized TOHATSU dealer before operating your outboard motor ENOM00005 1 Serial Number Your outboard motor...

Page 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...

Page 6: ......

Page 7: ...ration 41 5 Stopping the engine 43 6 Steering 45 7 Trim angle 45 8 Tilt up and tilt down 47 9 Shallow water operation 50 8 REMOVING AND CARRYING THE OUTBOARD MOTOR 52 1 Removing the outboard motor 52...

Page 8: ...12 TOOL KIT AND SPARE PARTS 83 13 PROPELLER TABLE 84 14 EMISSION CONTROL SYSTEM INFORMATION 85...

Page 9: ...LLATION 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 PROPELLE...

Page 10: ...top switch lanyard is the coiled red cord with the stop switch lock on one end and a metal clip on the other end With attaching the stop switch lanyard to the operator s body part or operator s person...

Page 11: ...y inspections proper lubrication and to follow all maintenance instructions for safe operation You should take the engine to an authorized dealer or service shop for periodic inspection at the prescri...

Page 12: ...z z z z Tiller Handle z z z z z z z z Remote Control z z z z z Power Tilt z z z z z Manual Tilt z z z z z z z z F 20 E E P T L Model description Horse power Product generation Starter system Steering...

Page 13: ...dle Speed in Forward Gear min 1 rpm 950 Idle Speed in Neutral Gear min 1 rpm 950 Engine Type 4 Stroke FI Number of Cylinder 2 Bore Stroke mm in 61 57 2 40 2 24 Piston Displacement cm3 Cu in 333 20 32...

Page 14: ...in Forward Gear min 1 rpm 950 Idle Speed in Neutral Gear min 1 rpm 950 Engine Type 4 Stroke FI Number of Cylinder 2 Bore Stroke mm in 61 57 2 40 2 24 Piston Displacement cm3 Cu in 333 20 32 Exhaust S...

Page 15: ...ug Lower Fill 11 Oil Plug Upper Level 12 Thrust Rod 13 Clamp Bracket 14 Clamp Screw 15 Stop Switch 1 16 Throttle Friction Screw 1 17 Throttle Grip 1 18 Warning Lamp 19 Starter Switch 2 20 Reverse Lock...

Page 16: ...t Screw 35 Fuel Connector 36 Fuel Pick up Elbow 37 Fuel Tank 38 Manual Release Valve 3 39 Clamp Screw 4 40 Power Tilt 3 41 Power Tilt Switch 5 42 Remote Control Box 5 43 Main Switch 5 44 Stop Switch 5...

Page 17: ...17 4 LABEL LOCATIONS ENOM00019 A Warning label locations 11 10 13 7 12 8 9 1 2 6 4 5 3 ENOF01204 A5...

Page 18: ...8 4 Warning lamp See page 31 5 Engine stop switch See page 37 44 6 When laying down the out board motor be sure this decal is facing up For RC model 7 Engine stop switch warning 8 Warning regarding ga...

Page 19: ...ap See page 27 11 Warning tag regarding combination of fuel tank and primer bulb ass y See page 33 12 Warning tag regarding instructions of the fuel tank cap See page 27 13 Read owner s manual See pag...

Page 20: ...r the control of air pollution from new out board engines This certification is con tingent on certain adjustments being set to factory standards For this reason the factory procedure for servicing th...

Page 21: ...09 2A z Mounting the outboard motor without following this manual can lead to unsafe conditions such as poor maneuverability lack of control or fire z Loose clamp screws and or mounting hardware can l...

Page 22: ...rect position If outboard motor is mounted incorrectly water may intrude the engine from openings of the bottom cowl while cruising Exposing the engine to such con dition may result in severe damage t...

Page 23: ...bolts securely otherwise the outboard motor could fall down ENON00003 2 Notes 1 Apply sealing material such as silicone sealed between the bolts and the tran som board holes before tightening the bol...

Page 24: ...malfunction ENOW00014 0 z Make sure that the battery leads do not get stuck between the outboard motor and boat when turning etc z The starter motor may fail to operate if the leads are incorrectly co...

Page 25: ...l of the battery and then connect the negative lead When disconnecting the battery always remove the negative lead first After connecting the positive terminal securely place a cap on it to prevent sh...

Page 26: ...paration of the water ethanol from the gasoline in the fuel tank Use of gasoline containing ethanol may accelerate z Corrosion of metal parts z Deterioration of rubber or plastic parts z Fuel permeati...

Page 27: ...remove the static electricity charged in your body before refueling z The static electricity may ignite the gaso line vapor during refueling z Stop the engine and do not start the engine during refuel...

Page 28: ...el gauge drain oil to level lower than upper limit z Be sure that outboard motor is upright when checking or changing oil z Stop the engine immediately if low oil pressure warning lamp or oil leak is...

Page 29: ...40 API SH SJ or SL Engine oil viscosity must be selected from the following chart according to the average temperatures in your area ENOW0002A A Use of engine oils that do not meet these requirements...

Page 30: ...side of emis sion ENOW00023 1 Operating the outboard motor without break in can shorten life If any abnormality is experienced during the break in z Discontinue the operation immediately z Have the d...

Page 31: ...d EP type on the motor See next page for conditions which will lead to an abnormal condition or fault ENOM00040 1 Location of warning buzzer and lamp Warning buzzer RC model Located inside the remote...

Page 32: ...art up Continuous ON ON Engine speed exceeds maximum allowable RPM 1 Continuous 2 ON 2 ON 2 Low oil pressure 1 2 Continuous ON ON Water over temperature 3 Intermittent short beep 2 Blinking 2 ON 2 Wat...

Page 33: ...n opening fuel tank cap be sure to fol low the procedure described below Fuel could blast out if the fuel tank cap is opened by using another procedure when internal pressure of fuel tank is raised by...

Page 34: ...ed securely 1 Fully open the air vent screw on the fuel tank cap 1 Air vent screw 2 Fuel tank cap 2 Open the fuel tank cap slowly and release internal pressure completely After that close the fuel tan...

Page 35: ...oling water check port is not discharging water stop the outboard motor immedi ately check for any object debris which may be blocking the cooling water check port If you are unable to locate the caus...

Page 36: ...e 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 han...

Page 37: ...ecurely 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 ENON00035 1 Note The free thr...

Page 38: ...utral position If the gear is in Forward or Reverse the boat can start moving immediately and may lead to accident and personal injury z Be careful that of your clothes or other items do not to get ca...

Page 39: ...a loop in the another end of the emergency starter rope and attach socket wrench Both the loop and the wrench are provided in outboard motor box ENOW00860 0 Be sure to keep the harness away from the r...

Page 40: ...g up Remark The idling speed automatically increases depending on the engine tem perature When the engine reaches nor mal operating temperature it will return to the specified idling speed ENOM00972 0...

Page 41: ...hull may be damaged z Do not shift into Reverse during cruising or control may be lost fall down or caus ing passenger s to be thrown overboard Leading to serious personal injury and steering system...

Page 42: ...position Reverse 1 Turn the throttle grip to reduce engine speed 2 When the engine reaches trolling or idling speed quickly pull the shift lever to the Reverse position Acceleration Open throttle grip...

Page 43: ...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 shif...

Page 44: ...top switch 2 Stop switch lock 1 Stop switch 2 Stop switch lock ENOM00910 1 Spare emergency stop switch lock For CE marking model A spare emergency stop switch lock is provided in the accessories bag M...

Page 45: ...djusting trim angle to prevent pos sible injury z Unsuitable trim position can cause loss of control of boat When testing a trim posi tion run the boat slowly initially to see if it can be controlled...

Page 46: ...on 1 Perpendicular to the water surface ENOM00053 0 Improper trim angle bow rises too high Set the thrust rod lower if the bow of the boat rises above horizontal ENOM00054 0 Improper trim angle bow di...

Page 47: ...Tilt switch and tilt down the outboard ENOM00060 B ENOW00055 1 Do not tilt the outboard motor up or down when swimmer s and or passenger s are near to prevent them from being caught between outboard...

Page 48: ...ow tilt the outboard motor all the way up until it is locked in place 1 Reverse lock lever 2 Tilt down position 3 Tilt up position ENOM00063 1 Tilt down Pull the reverse lock lever upward until it com...

Page 49: ...down whether or not the main switch is ON or OFF ENOM00940 1 Manual relief valve If the battery is dead and or the power tilt switch is inoperative open the manual valve completely in the Manual direc...

Page 50: ...outboard motor at slow speed and keep the cooling water intake sub merged ENOW00054 1A Do not over tilt the outboard motor when driving in shallow water or air may be sucked through water inlet potent...

Page 51: ...n slightly lift up the out board motor and then put it down 1 Reverse lock lever 2 Tilt down position 3 Tilt up position ENOM00069 A Power Tilt type 1 Operate the Power Tilt switch and tilt the outboa...

Page 52: ...e remote 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...

Page 53: ...with port side down on the cushion as shown in the drawing ENOM00072 1A ENOW00072 0 Trailering in the tilted position may cause damage to the outboard motor boat etc ENOW00073 A Be sure to disconnect...

Page 54: ...n the vertical or on a tran som saver bar Tiller handle type While transporting outboard motor attached to the boat on a trailer properly tighten the steering friction bolt to pre vent the outboard mo...

Page 55: ...ing in the loss of control causing an accident and could lead to severe injury Friction adjustment of the throttle grip can be made with the throttle adjustment screw 1 Throttle friction adjustment sc...

Page 56: ...ADJUSTMENT 56 9 Side mount type 1 Throttle friction adjustment screw 2 Decrease 3 Increase 1 2 3 ENOF00078 2...

Page 57: ...and maintenance procedures described in this section 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...

Page 58: ...h functions normally and make sure the stop switch lock is secured Remedy or replace if necessary Check cords for loose connections and damage Correct or replace if necessary Check the spark plugs for...

Page 59: ...el should be checked when the engine is cooled ENON00025 0 Note Consult with an authorized dealer if the engine oil is milky color or appears con taminated ENOM00082 A Engine oil replenishing ENOW0007...

Page 60: ...ilated Exhaust gas contains carbon monoxide a colorless and odorless gas which can be fatal if inhaled for any length of time ENOW00920 0 When washing the outboard motor be care ful not to spray the w...

Page 61: ...bon monoxide a colorless and odorless gas which can be fatal if inhaled for any length of time ENOW00036 1A When starting the outboard motor in the test tank make sure that 1 Water level is at least 1...

Page 62: ...request an authorized Tohatsu dealer for inspection 1 Stop the engine and disconnect the battery cable from the battery nega tive terminal 2 Remove the engine cover 3 Remove the fuse box lid 4 Remove...

Page 63: ...ssure 1 Check Hose 2 z z Check Replace if necessary Ignition System Spark plug z Check and clean Replace if necessary Gap 0 80 0 9mm Refer to P71 Spark plug cap High tension cord 1 Check Replace if ne...

Page 64: ...uld be severely damaged Consult your dealer z Wipe off engine oil well immediately if spilled and dispose of it in accordance with local fire prevention and environ ment protection regulations ENOW000...

Page 65: ...on the sealing 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 filt...

Page 66: ...ed ENOW00926 0 Wipe off engine oil well immediately if spilled and dispose of it in accordance with local fire prevention and environment protection regulations 1 Drain oil from the engine 2 Place a r...

Page 67: ...all related 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 unq...

Page 68: ...le all parts 1 Body 2 O ring 3 O ring 4 Filter 5 Float 6 Cup 7 Indicate of Fuel Flow ENOM00096 A Fuel filter for fuel tank Water or dirt in the fuel tank will cause engine performance problems Check a...

Page 69: ...motor 2 Remove the oil plugs lower and upper and completely drain the gear oil into a pan 3 Insert the oil tube nozzle into the lower oil plug hole and fill with gear oil by squeezing the oil tube unt...

Page 70: ...The propeller edge is thin and sharp Wear the gloves while installing or removing to protect your hands ENOW00086 1 z Do not install propeller without thrust holder or propeller boss could be dam age...

Page 71: ...ulation is damaged or sparks can leak through crack potentially leading to electric shock explosion and or fire z Do not touch spark plug s immediately after stopping engine as they will be hot and co...

Page 72: ...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 1 Note z Spark plug tightening torque 1...

Page 73: ...osion Anode is located on the gear case cylinder etc When the anode is eroded more than 1 3 of original size replace it ENON00029 1 Notes z Never grease or paint the anode z At each inspection re tigh...

Page 74: ...in the reservoir 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...

Page 75: ...INSPECTION AND MAINTENANCE 75 10 ENOM00960 0 Grease point Apply waterproof grease to the parts shown below 1 Other side 1 ENOF01232 1...

Page 76: ...ith fresh water Drain the water completely Wipe off water with a cloth 2 Remove the fuel hose from the out board motor 3 Drain all fuel from the fuel hoses fuel pump fuel filter See 67 and vapor separ...

Page 77: ...lable 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...

Page 78: ...drive shaft housing cover on the port side ENON00936 0 Note To avoid losing the bolts the loosened bolts cannot be removed 4 Remove the cowl seal and loosen the screw 4pcs of the drive shaft hous ing...

Page 79: ...pecific gravity of the battery 3 Check that the battery is secure and the battery cables are properly installed 4 Change the engine oil See page 64 5 Before starting the engine discon nect stop switch...

Page 80: ...ut board motor ENOM00106 1 If you moor your boat in cold weather at temperatures below 0 C 32 F water residue in water pump may freeze and may damage the pump impeller etc To avoid submerge the lower...

Page 81: ...or is clogged Low quality gasoline is used Primer bulb is clogged Fuel feed pump FFP malfunctions or is clogged Water temperature sensor or MAP Manifold Pressure sensor is defective or the sensor circ...

Page 82: ...e of mismatched propeller Propeller is damaged or deformed Thrust rod position is not correct Boat is unbalanced by load position Transom installation height is too high or too low Throttle link adjus...

Page 83: ...ght 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 12L 1 for MF EF and EFT Primer bulb 1 se...

Page 84: ...ile cruising is within the recommended range 5400 6100 min 1 rpm Propeller Mark Propeller Size Blades diameter pitch in mm Light boats 13 3 9 25 13 3 235 330 12 3 9 25 12 3 235 305 11 3 9 25 11 3 235...

Page 85: ...s several sensors to determine how much fuel is needed for injection under all operating conditions ENOM01003 0 Clean Air Acts of the United States and California and Environment Canada EPA California...

Page 86: ...ne parts constitute replacement parts man ufactured to the same high standards as the original parts thus guaranteeing uninterrupted high performance of your outboard motor The use of replacement part...

Page 87: ...ents overtightening z The fuel tank has a manual vent screw which should be closed for transporta tion and full open for operation and cap removal Since sealed fuel tanks are not openly vented they wi...

Page 88: ...d s Personal Watercraft and Outboard marine engine 2001 exhaust emission standards Engines meeting these standards have 75 lower emissions than conventional carbureted two stroke engines These engines...

Page 89: ...sion engines ENOM01012 0 Four Stars Super Ultra Low Emission The four star label identifies engines that meet the Air Resources Board s Stern drive and Inboard marine engine 2009 exhaust emission stan...

Page 90: ...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 15E MFS 9 9E MFS 20E...

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