TOHATSU MFS 2.5B Owner'S Manual Download Page 15 | Manualshive

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15

4

LABEL LOCATIONS

ENOM00203-0

1.

Warning label urge to read the
owner’s manual.

2.

Warning label regarding stop switch
(See page 25, 31)

3.

Warning label on position of outboard
motor when setting down.

4.

Warning regarding high temperature.

Warning label locations

3

5

1, 2

4

6

ENOF01605-1

ENOF00120-0

ENOF00131-B

ENOF00253-0

3GR-76191-0

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Summary of Contents for MFS 2.5B

Page 1: ...O W N E R S M A N U A L MFS 3 5B Original instructions MFS 2 5B OB No 003 11109 4AH1...

Page 2: ...ONS 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 r...

Page 3: ...ence 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 and wish you good luck in yo...

Page 4: ...ry 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 number will be needed when or...

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: ...28 5 Stopping the engine 30 6 Steering 32 7 Trim angle 32 8 Tilt up and down 33 8 REMOVING AND CARRYING THE OUTBOARD MOTOR 35 1 Removing the outboard motor 35 2 Carrying the outboard motor 35 3 Traile...

Page 8: ......

Page 9: ...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...

Page 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 lanyard is pulled off This s...

Page 11: ...e 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 int...

Page 12: ...2 5B F3 5B Type MF MF Transom heights S z z L z z UL Tiller Handle z z Remote Control Separate fuel tank Integral fuel tank z z Manual tilt z z F 3 5 B L Model description Horse power Product genera t...

Page 13: ...utral Gear min 1 rpm 1300 Engine Type 4 Stroke Number of Cylinder 1 Bore Stroke mm in 55 36 2 17 1 42 Piston Displacement cm3 Cu in 85 5 5 2 Exhaust System Above propeller exhaust Cooling System Water...

Page 14: ...g Adjustment Screw 7 Anti Ventilation Plate 8 Anode 9 Propeller 10 Oil Plug Lower Fill 11 Water Inlet 12 Oil Plug Upper Level 13 Drive Shaft Housing 14 Thrust Rod 15 Clamp Bracket 16 Clamp Screw 17 Th...

Page 15: ...owner s manual 2 Warning label regarding stop switch See page 25 31 3 Warning label on position of outboard motor when setting down 4 Warning regarding high temperature Warning label locations 3 5 1...

Page 16: ...garding emergency start ing See page 26 5 2 Warning regarding rotating object 5 3 Warning regarding high temperature 5 4 Warning regarding high voltage 6 Warning regarding fuel tank cap See page 21 24...

Page 17: ...5 Manufacturer name 6 Manufacturer address CE label locations 0123 CAN ICES 2 NMB 2 Outboard Motor Rated Power Mass Serial No Made in Japan ENOF01606 1 2 3 4 5 6 1 Description of serial number year c...

Page 18: ...orque 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 ers included in the outboard motor pack age or their equivalents in terms...

Page 19: ...ne through an open ing of the bottom cowling during cruising Exposing the engine to such conditions for extended periods can lead to severe engine damage z Tighten the bolts sufficiency otherwise fall...

Page 20: ...are caused because the ethanol in the 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...

Page 21: ...e ating a fire hazard z Do not smoke When or before refueling z Be sure to remove the static electricity charged in your body before refueling z The sparks due to static electricity may cause explosio...

Page 22: ...ly fill the engine with oil follow the instructions See page 45 Use only high quality 4 stroke engine oil to insure performance and prolonged engine life The SAE oil viscosity 10W 30 or 10W 40 outboar...

Page 23: ...peration 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 se...

Page 24: ...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 1 Loosen the air vent screw on the tank cap by two turns 2 Open...

Page 25: ...found ENOW00032 B Do not try to crank after engine has started 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 operat...

Page 26: ...tely after operat ing and could cause burns if touched Allow engine to cool down before attempting to carry the outboard 1 Cooling water check port ENOM00042 B Emergency starting ENOW00099 A When the...

Page 27: ...en the three bolts A B C fas tening the tank and one bolt D fas tening the recoil starter 6 Insert the knotted end of the starter rope into the notch in the flywheel and wind the rope around the fly w...

Page 28: ...the engine Operating the engine without warm up shortens the engine s life 1 Cooling water check port ENOM00044 0 Engine speeds Idling speed after warming up Remark In case of cold engine starting id...

Page 29: ...boat speed or control may be lost falling down or causing passen ger s to be thrown overboard Leading to serious personal injury ENOW00862 0 Gear and clutch damage may occur if shift ing at high engi...

Page 30: ...ay cause passenger s to be thrown overboard or falling down Open throttle grip gradually 1 Throttle grip ENOM00049 B ENOW00868 0 Be careful not to remove engine stop switch lanyard from engine acciden...

Page 31: ...witch lock to stop the engine 1 Shift lever 2 Stop switch 3 Stop switch lock 4 Hook ENOM00910 0 Spare emergency stop switch lock A spare emergency stop switch lock is provided in the tool bag When use...

Page 32: ...he steering difficulty that leads to accident during cruising z Do not cruise at high speed if improper trim position is suspected Stop the boat and readjust trim angle before continuing cruise z For...

Page 33: ...as fol lowing picture 1 Push 2 Pull 5 Reinstall the thrust rod securely 6 Gentry lower the outboard ENOM00060 A ENOW00055 0 Do not tilt up or down outboard motor when swimmer s or passenger is near t...

Page 34: ...tboard motor up after stopping the motor leave it in the running position for about a minute to allow water to drain from inside the engine ENOM00222 0 Tilt up 1 Close the fuel cock and tighten the ai...

Page 35: ...ard motor from boat and completely drain the water from the gear case ENOM00071 A ENOW00065 0 Close air vent screw of fuel tank before car rying or storing outboard motor and fuel tank or fuel may lea...

Page 36: ...ew of fuel tank and fuel cock before carrying or storing outboard motor and fuel tank or fuel may leak poten tially catching fire ENOW00071 0 The tilt support device supplied on your out board motor i...

Page 37: ...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 page 38 1 Ground cle...

Page 38: ...iction and move lever towards 3 to increase friction 1 Steering friction lever 2 Decrease 3 Increase EENOM00074 A ENOW00074 B Do not overtighten the throttle adjustment screw or it could result in dif...

Page 39: ...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 conditio...

Page 40: ...onnections and damage Correct or replace Check the spark plug for dirt wear and carbon build up Clean or replace Throttle System Check that the carburetor choke valve functions normally Replace Check...

Page 41: ...hen replenishing engine oil be careful not to allow entry of foreign matters such as dust and water into oil chamber z Wipe off engine oil well immediately if spilled and dispose of it in accordance w...

Page 42: ...otor 2 Remove the water plug from the gear case and screw in the flushing attachment 3 Attach the flushing attachment and connect a water hose Turn on the water and adjust the flow Continue flushing t...

Page 43: ...ECTION AND MAINTENANCE 43 10 And be sure to remove the propeller when starting the engine in the test tank See page 48 Run the engine only at idling 1 Test tank 2 Water 3 Over 10 cm 4 in 1 3 2 ENOF008...

Page 44: ...ry Fuel tank z z z z Clean Fuel tank cap z z z z Check and clean or Replace if necessary Ignition Spark plug z z z Check gaps Remove carbon deposits or Replace if necessary 0 8 0 9 mm 0 031 0 035 in I...

Page 45: ...e could be severely damaged Consult 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 ENOW0009...

Page 46: ...ssible with a torque wrench 5 Reset the engine in a vertical posi tion 6 Repeat 3 to 7 procedures two or three times to drain the oil com pletely 7 Remove the top cowl and the oil filler cap 8 Fill th...

Page 47: ...ould 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 tilte...

Page 48: ...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 per sonal injury Disconnect batte...

Page 49: ...e the top cowl 3 Remove the spark plug caps 4 Remove the spark plugs by turning it counter clockwise using a 5 8 16 mm socket wrench and handle that is provided in tool bag 5 Inspect the spark plug Re...

Page 50: ...electrolytic corrosion Anode is located on the gear case cylinder etc When the anode is eroded more than 1 3 of original size replace it ENON00029 0 Notes z Never grease or paint the anode z At each i...

Page 51: ...INSPECTION AND MAINTENANCE 51 10 ENOM00960 0 Grease point Apply water proof grease to the parts shown below ENOF01622 0...

Page 52: ...fuel hoses fuel pump and carburetor See page 53 and clean these parts Keep in mind that if gasoline is kept in the carburetor for a long time gum and varnish will develop causing the float valve to s...

Page 53: ...t board motor run in the water for 10 minutes to make sure any old fuel in the fuel system has been completely replaced by the fuel with additive 4 Turn the engine OFF ENON00891 0 Note If your motor i...

Page 54: ...shift and throttle function properly Be sure to turn the propeller shaft when checking the shift function or else the shift linkage may be damaged 2 Change the engine oil See page 45 3 Before starting...

Page 55: ...mperatures below 0 C 32 F there is the danger of remained water freezing in the cooling water pump which may dam age the pump impeller etc To avoid this problem submerge the lower half of the outboard...

Page 56: ...FUEL SYSTEM z z Empty fuel tank z z z z z z Deformed or damaged fuel hose z z z z z z z Closed air vent on fuel tank z z z z z z z Clogged fuel filter fuel pump or carburetor z z z z z Use of imprope...

Page 57: ...amaged and bent propeller z z z z Improper thrust rod position z z z z z Unbalanced load on boat z z z z z Transom too high or too low z z z z Low compression z z Carbon deposits in the combustion cha...

Page 58: ...tor Items Quantity Remark Service tools Tool bag 1 Pliers 1 Socket wrench 1 10 13 mm Socket wrench 1 16 mm Socket wrench handle 1 Screwdrivers 1 Cross and straight point Screwdriver handle 1 Spare par...

Page 59: ...mended range 2 5 4500 5500 min 1 rpm 3 5 5000 6000 min 1 rpm ENON00245 0 Note Each size shows number of propeller blades diameters pitch Propeller Mark Propeller Size Diameter pitch Material Remarks L...

Page 60: ...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 2 5B MFS 3 5B...

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