Tohatsu M6B Manual de Usario
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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
Original instructions
M 6B
M 9.8B
OB No.003-11029-NBB1
M 8B
EN
ENOM00001-0
READ THIS MANUAL BEFORE USING THE OUTBOARD MOTOR. FAILURE TO FOLLOW THE INSTRUCTIONS
AND SAFET Y PRECAUTIONS IN THIS MANUAL CAN RESULT IN SERIOUS INJURY OR DEATH. KEEP T HIS
MANUAL IN A SAFE LOCATION FOR FUTURE REFERENCE.
Copyright © 2022 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.
3
YOUR TOHATSU OUTBOARD MOTOR
ENOM00006-2
To You, Our Customer
Congratulations on your purchase of the TOHATSU outboard motor. You are now the
proud owner of an excellent outboard motor that will serve you for many years to come.
This owner's manual contains important safety, operational and maintenance informa-
tion.
The efficiency and longevity of your outboard motor will depend heavily on your oper-
ating methods and periodic maintenance. Failure to operate and maintain your out-
board motor according to the instruction in this owner's manual may void the limited
warranty, as well as reduce the efficiency and reliability of the outboard 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 the owner's manual and the labels applied to your outboard
motor. You should keep this owner's manual where accessible while operating your out-
board motor. If the outboard motor is resold, make sure the manual is passed on to the
next owner. In case you encounter any problems, please contact an authorized
TOHATSU service shop or dealer for assistance.
Tohatsu Corporation reserves the right to change, modify, add, or remove a part or
whole of the owner’s manual without prior notice and incurring any obligations.
We are excited to take a part in your boating adventures and wish for your great and
safe boating experience.
TOHATSU CORPORATION
ENOM00003-1
PRE-DELIVERY INSPECTION
Make sure Pre-delivery inspection has been properly done by authorized TOHATSU
dealer before operating your outboard motor.
4
ENOM00113-1
DECLARATION OF CONFORMITY (DoC)
This product conforms to certain portion of the European Parliament directive and UK
Regulations. DoC contains the following information;
zName and Address of the manufacturer, EU - notified body, EU - authorized repre-
sentative, and UK - approved body.
zApplied community directives and regulations
zReference standard
zDescription of the product. (model name and serial number)
zSignature of the responsible person (name / title / date and place of issue).
ENON00937-0
Note
For CE marked model
The Outboard engine is intended to install on non-recreational craft within the European Union
because it has not been confirmed compliance with requirement of Directive 2013/53/EU.
ENOM00005-1
Serial Number
Your outboard motor has a unique serial number. The serial number is identification of
outboard motor and is located on the outboard motor as shown in the figures below.
The serial number is required for warranty registration, filing a warranty claim as well as
making technical inquiries and may be required for other occasions.Therefore, please
write down the serial number and date of purchase in the space below.
Serial Number:
Serial Number: Date of purchase:
ENOF02200-1
ENOF02201-1
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,” “CAUTION,” and “Note.” Always pay special attention 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 instruction provides special information to facilitate the use or maintenance of the outboard
motor or to clarify important points.
DANGER
WARNING
CAUTION
1. GENERAL SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3. PARTS NAME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4. LABEL LOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5. INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
1. Mounting the outboard motor on boat . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2. Battery installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6. PRE-OPERATING PREPARATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
1. Fuel handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2. Fuel filling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3. Engine oil recommendation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4. Break-In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7. ENGINE OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Before starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
1. Fuel feeding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2. Starting the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3. Warming up the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4. Forward, reverse, and acceleration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5. Stopping the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6. Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
7. Trim angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
8. Tilt up and down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
9. Shallow water operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
8. REMOVING AND CARRYING THE OUTBOARD MOTOR. . . . . . . . . . . . . . . . . . . 42
1. Removing the outboard motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
2. Carrying the outboard motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
3. Trailering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
9. ADJUSTMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
1. Steering friction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
2. Throttle grip friction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
3. Trim tab adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
10. INSPECTION AND MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
1. Daily Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
2. Periodic Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3. Off-season storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
4. Pre-season check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
5. Submerged outboard motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
6. Cold weather precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
7. Striking underwater object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
8. Auxiliary outboard motor operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
CONTENTS
11. TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
12. TOOL KIT AND SPARE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
13. PROPELLER TABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
9
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. PROPELLER TABLE
INDEX
2
1
3
4
5
6
7
8
9
10
11
12
13
1
1
10
1
GENERAL SAFETY INFORMATION
ENOM00009-1
SAFE OPERATION OF BOAT
As the operator/driver of a 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. To learn about the correct operation and maintenance of the out-
board motor, please read through this manual carefully.
It is very difficult for a person in the water to take evasive action should he or she see a
power boat heading in his/her direction, even at a slow speed.
Therefore, when your boat is in the immediate vicinity of people in the water, the out-
board motor must be shifted to neutral and shut off.
ENOW00005-0
SERIOUS INJURY IS LIKELY IF A PERSON IN THE WATER MAKES CONTACT WITH A MOVING BOAT,
GEAR HOUSING, PROPELLER, OR ANY SOLID DEVICE RIGIDLY ATTACHED TO A BOAT OR GEAR
HOUSING.
ENOM00247-1
STOP SWITCH LANYARD
The engine can be stopped by pulling out the stop switch lock from the stop switch. The
stop 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 personal flotation device (PFD), the engine will stop when the
stop switch lanyard is being stretched and pulled out the lock from the switch if the
operator accidentally falls overboard or leaves from operator’s position. This function
may prevent losing control of the boat and minimize or prevent risk of collision with
other boats, people and other objects. It is operator’s responsibility to use the stop
switch lanyard.
ENOW00004-1
Accidental activation of the Stop Switch (such as the tether being pulled out in heavy seas)
could cause passengers to lose their balance and even fall overboard, or it could result in loss
of power in heavy seas, strong currents, or high winds. Loss of control while mooring is
another potential hazard.
To minimize accidental activation of the Stop Switch, the 500 mm (20 inch.) stop switch lan-
yard is coiled and can extended to a full 1300 mm (51 inch.).
ENOM00800-A
PERSONAL FLOTATION DEVICE
As the operator/driver and passenger of a boat, you are responsible to wear a PFD (Per-
sonal Flotation Device) while on the boat.
WARNING
WARNING
GENERAL SAFETY INFORMATION 11
1
ENOM00010-1
SERVICING , REPLACEMENT PARTS & LUBRICANTS
We recommend that only an authorized service shop perform service or maintenance
on your outboard motor. Be sure to use genuine parts, genuine lubricants, or recom-
mended lubricants. Be aware that the installation and use of parts not approved by
Tohatsu Corporation will void warranty and may lead to unsafe operating conditions.
ENOM00011-1
MAINTENANCE
As the owner of the outboard motor, you should be acquainted with correct mainte-
nance procedures following by maintenance section of this manual (See page 62). It is
the operator's responsibility to perform all safety 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 prescribed intervals.
Correct periodic maintenance and proper care of outboard motor will reduce the
chance of problems, limit overall operating expenses and contribute to longevity of your
outboard motor.
Carbon Monoxide Poisoning Hazard
Exhaust gas contains carbon monoxide, a colorless and odorless gas which can be fatal
if inhaled for any length of time.
Never start or operate the engine indoors or in any space which is not well ventilated.
Gasoline
Gasoline and its vapors are very flammable and can be explosive. Use extreme care
when handling gasoline. You should be thoroughly knowledgeable on how to correctly
handle gasoline by reading this manual.
12
2
SPECIFICATIONS
ENOM00810-B
MODEL FEATURE
*1 Option
ENOM00811-C
MODEL NAME EXAMPLE
M9.8B EFL
Model M6B M8B M9.8B
Type MF MF MF EF
Transom heights
Sz z z z
Lz z z z
UL z
Tiller Handle z z z z
Remote Control ( ( ( (z)*1 z)*1 z)*1 z)*1
Manual tilt z z z z
M B E F L9.8
Model description Horse
power
Product
generation
Starter
system
Steering
system
Shaft
length
M(X)= Two stroke - A and up E= Electrical
start
M= Manual start
P=Remote control
(Pleasure)
F=Tiller handle
(Fisher)
S= Short 15 in
L= Long 20 in
UL= Ultra long
25 in
SPECIFICATIONS 13
2
ENOM01500-0
Remark: Specifications are subject to change without notice.
* : With manual starter.
Tohatsu outboard is power rated in accordance with ISO8665 (propeller shaft output).
6B MF, 8B MF, 9.8B MF, 9.8B EF
Item MODEL 6B MF 8B MF 9.8B MF 9.8B EF
Overall Length mm (in) 793 (31.2)
Overall Width mm (in) 320 (12.6)
Overall Height
S mm (in) 996 (39.2)
L mm (in) 1123 (44.2)
UL mm (in) 1250 (49.2)
Transom Height
S mm (in) 435 (17.2)
L mm (in) 562 (22.2)
UL mm (in) 689 (27.1)
Weight
S kg (lb) 26 (57) 29 (64)
L kg (lb) 27 (60) 30 (66)
UL kg (lb) 28 (62) -
Output kW (ps) 4.4 (6) 5.9 (8) 7.2 (9.8)
Max. Operating Range min
-1
(rpm) 4500-5500 5000-6000
Trolling Speed in Forward Gear
min
-1
(rpm) 750
Idle Speed in Neutral Gear min
-1
(rpm) 950
Number of Cylinder 2
Bore x Stroke mm (in) 50 x 43 (1.97 x 1.69)
Piston Displacement cm3 (Cu in) 169 (10.3)
Exhaust System Through hub exhaust
Cooling System Forced water cooling
Lubrication System Engine Oil Mixed Gasoline
Starting System Manual
Electric starter motor*
Ignition System Flywheel Magneto C.D. Ignition
Spark Plug BPR7HS-10
Trim Position 6
Fuel Unleaded Regular Gasoline : R+M/2: 87 or higher RON: 91 or higher
Fuel Tank Capacity L (US gal) 12 (3.17)
Engine Oil Genuine motor oil or recommended one (TCW-III)
Fuel : Engine Oil Mixing Ratio Unleaded Gasoline 50 : Genuine 2-stroke Engine Oil 1
Gear Oil mL (fl.oz) Genuine Gear Oil or API GL5, SAE #80 to #90, approx. 320 (10.8)
Gear Reduction Ratio 2.08 (13 : 27)
Operator Sound Pressure (ICOMIA 39/94) dB (A)
84.4
Hand Vibration Level (ICOMIA 38/94) m/s
2
2.7
14
3
PARTS NAME
ENOM01501-0
6B MF, 8B MF, 9.8B MF
ENOF02203-0
6
1
2
3
4
5
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
Tilt Handle
2
Top Cowl
3
Bottom Cowl
4
Cooling Water Check Port
5
Tilt Stopper
6
Drive Shaft Housing
7
Water Plug
8
Anti-Ventilation Plate
9
Anode / Trim Tab
10
Propeller
11
Starter Handle
12
Shift Lever
13
Throttle Grip
14
Clamp Screw
15
Clamp Bracket
16
Thrust Rod
17
Oil Plug (Upper)
18
Water Inlet
19
Oil Plug (Lower)
20
Stop Switch
21
Choke Knob
22
Fuel Connector
23
Spark Plug
24
Fuel Filter
PARTS NAME 15
3
ENOM01502-0
9.8B EF
ENOF02204-0
6
1
2
3
4
5
7
8
9
10
11
12
13
14
15
16
17
18
19
21
2220
23
24
25
26
1
Tilt Handle
2
Top Cowl
3
Bottom Cowl
4
Cooling Water Check Port
5
Tilt Stopper
6
Drive Shaft Housing
7
Water Plug
8
Anti-Ventilation Plate
9
Anode / Trim Tab
10
Propeller
11
Starter Handle
12
Shift Lever
13
Throttle Grip
14
Clamp Screw
15
Clamp Bracket
16
Thrust Rod
17
Oil Plug (Upper)
18
Water Inlet
19
Oil Plug (Lower)
20
Choke Knob
21
Stop Switch
22
Main Switch
23
Fuel Connector
24
Battery Cord
25
Spark Plug
26
Fuel Filter
PARTS NAME16
31
2
3
4
5
6
7
8
12
11
10
9
ENOF02103-2
ENOM00822-0
Remote control box & Fuel tank
1
Control Lever
2
Neutral lock arm
3
Free throttle lever
4
Main switch
5
Stop switch
6
Stop switch lock
7
Stop switch lanyard
8
Air vent screw
9
Fuel tank cap
10
Fuel connector (Engine side)
11
Primer bulb
12
Fuel connector (Fuel tank
side)
17
4
LABEL LOCATIONS
ENOM00019-A
Warning label locations
1, 2
3, 4
7
6
5
ENOF02206-3
LABEL LOCATIONS18
4
1, 3. Read owner's manual.
2.
Engine stop switch (See page 37).
4.
HOT SURFACE
Can cause burns.
Do not touch when operating or
immediately after the engine has
stopped.
ELECTRICAL SHOCK HAZARD
High voltage can cause severe electri-
cal shock.
Do not touch electrical components
such as ignition coil or spark plug cord
when starting or while the engine is in
operation.
HAZARD CAUSED BY ROTATING PARTS
Rotating parts can cause severe
injury.
Keep hands, feet, hair, and clothing
away from all rotating parts to prevent
injury.
For RC model
5.
Be sure to fasten one end of the stop
switch lanyard to your body during
operation.
6.
Warning regarding gasoline (See
page 24).
7.
Warning regarding gasoline (See
page 24).
3F0X72185-0
ENOF00131-B
314X72185-0
ENOF00008-1
ENOF00005-S
ENOF00005-L
LABEL LOCATIONS 19
4
ENOM01001-0
1. Model code (Model name)
2. Serial No.
3. Rated power
4. Dry mass weight
5. Manufacture name
6. Manufacture address
7. Authorised representative
8. Authorised representative address
ENON00937-0
Note
For CE marked model
The Outboard engine is intended to install on non-recreational craft within the European Union
because it has not been confirmed compliance with requirement of Directive 2013/53/EU.
Serial number label locations
Description of serial number year code
Last two digits of alphabet represent production year as below.
Year Code BB BC BD BE BF
Year of
manufacture 2022 2023 2024 2025 2026
1521
CAN ICES-2 / NMB-2
ENOF02207-3
2)
3)
4)
5)
6)
1)
7)
8)
20
5
INSTALLATION
ENOM00024-B
ENOW00006-1
Most boats are rated and certified for their
maximum allowable horsepower, as shown
on the boat’s cer tification plate. Do not
equip your boat with an outboard motor that
exceeds this limit. If in doubt, contact your
dealer.
Do not operate the outboard motor until it
has been securely mounted on the boat in
accordance with the instructions below.
ENOW00009-2B
zMounting the outboard motor without
following this manual can lead to unsafe
conditions such as poor maneuverability,
lack of control or fire.
zLoose clamp screws and/or mounting
hardware can lead to the release or dis-
placement of the outboard motor, possi-
bly resulting in loss of control and/or
serious personal injury. Check the fasten-
ers for tightness before operating your
outboard.
zBe sure to use outboard mounting hard-
ware that meet in terms of size, material,
quality and strength.
Keep the outboard motor in a vertical
position when mounting.
ENOM00025-B
Position ... Above keel line
Place the outboard motor in the center
of the boat's transom.
1. Center of boat
2. Boat transom
1. Mounting the outboard
motor on boat
WARNING
WARNING
ENOF02208-0
2
1
ENOF01141-0
INSTALLATION 21
5
ENOM00026-0
Transom matching
Be sure that the anti ventilation plate of
the outboard motor is 30–50 mm (1.2–2
in) below the bottom of hull.
If the above condition cannot be met due
to the shape of the bottom of your boat,
please consult your authorized dealer.
1. Bottom of hull
2. Anti ventilation plate
ENOW00007-1
zBefore running test, check the boat with
maximum loading capacity. Overloading or
incor r ect w e ig h t distr ibution of the
weight may result in boat to lose control,
even swamping or capsizing. Make sure
that there is enough distance between
bottom cowl and water surface to prevent
water from entering the engine.
zMake sure to mount the engine in correct
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 to the
engine.
ENOM00832-0
Mounting the outboard motor
1. Set the outboard motor to appropri-
ate position.
2. Tighten the clamp screws by turning
their handles.
3. Secure the clamp brackets to the
transom board using bolts, flat wash-
ers and nylon locking nuts.
4. Secure the outboard motor to the
boat with a rope to prevent acciden-
tal loss of the outboard motor over-
board.
ENON00930-1
Note
zDo not use tools to tighten clamp
screws. Over tightening could result in
damage to the clamp screws and clamp
brackets.
zDo not reuse Nylon locking nut.
ENON00002-1
Note
Mounting hardware and rope are not
included in the standard accessories.
1. Bolt (8 × 85)
2. Nylon locking nut
3. Washer
4. Clamp screw
5. Rope
CAUTION
1
2
30−50 mm
(1.2−2 in)
ENOF01706-0
5
3
1
4
2, 3
ENOF01707-0
INSTALLATION22
5
ENON00003-B
Note
Apply sealing agent, such as silicone sealed
between the bolts and the transom board
holes before tightening the bolts.
ENOM00029-A
ENOW00012-1
Batter y electrolyte contains sulfuric acid
and is hazardous, causes a burn if come in
contact with your skin, and poisonous if
swallowed.
Keep batter y and electroly te away from
reach of children.
When handling the battery, be sure to:
zRead all warnings shown on the battery
case.
zPrevent electrolyte from coming in con-
tact with any part of your body. Contact
can cause serious burn or, if come in con-
tact wi th your eye, loss of sight. Use
safety glasses and rubber gloves.
In case you came in contact with batter y
electrolyte:
zFor skin, flush thoroughly with water.
zFor eye, flush thoroughly with water, and
then seek immediate medical treatment.
In case battery electrolyte is swallowed:
zSeek immediate medical treatment.
ENOW00013-A
Batter y generates explosive hydrogen gas.
Be sure to:
zCharge the battery in a well-ventilated
place.
zPlace the battery away from any source of
fir e, spark s and open flames such as
burners or welding equipment.
zDo not smoke near the battery when the
battery is charging.
zDo not charge the battery when the elec-
trolyte level is low. Otherwise, the bat-
ter y will be damaged and may cause
malfunction.
ENOW00014-0
zMake sure that the battery leads do not
get stuck between the outboard motor
and boat when turning, etc.
zThe starter motor may fail to operate if
the leads are incorrectly connected.
zBe sure to correctly connect the (+) and
(—) leads. If not, the charging system will
be damaged.
zDo not disconnect the battery leads from
battery while the engine is operating, the
electrical parts could be damaged.
zAlways use a fully charged battery.
ENOW00015-1
Do not use a battery that is not recom-
mended. Use of a battery not recommended
can lead to poor performance of, and/or
damage to the electrical system.
ENON00006-1C
Note
Minimum ba tter y requirements: 12v
36Ah/5HR, 12v 40Ah/20HR, 330 Cold
Cranking Amps (CCA).
Larger capacity battery is required when it
is used under a freezing condition.
Recommend connecting only the engine
battery cables to the starting battery.
Specifications and features of battery vary
by manufacturers.
Consult the manufacturer for details.
* The battery should be purchased sepa-
rately and is not supplied with the out-
board motor.
2. Battery installation
WARNING
WARNING
CAUTION
CAUTION
INSTALLATION 23
5
1. Place the battery box in a convenient
position away from possible water and
moisture. 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 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 short circuits.
1. Battery cord (red)
2. Battery cord (black)
2
1
ENOF00022-1
24
6
PRE-OPERATING PREPARATIONS
ENOM00030-A
ENOW000017-0
Use of improper gasoline can damage your
engine. Engine damage resulting from the
use of improper gasoline is considered mis-
use of the engine, and damage caused
thereby will not be covered under the lim-
ited warranty.
ENOM00031-1
FUEL RATING
Use only major brand unleaded fuel
meeting the following specifications:
USA and Canada — having a posted pump
Octane Rating of 87 (R+M)/2 minimum.
Premium gasoline (92 [R+M]/2 Octane) is
also acceptable. Do not use leaded gaso-
line.
O u t s i d e U S A an d C a n a d a — U s e
unleaded gasoline with declared octane
rating of 91 RON or over. Use of premium
gasoline of 98 RON is also allowed.
ENOM00032-1
GASOLINES CONTAINING
ETHANOL
The fuel system components on your
TOHATSU outboard motor will withstand
up to 10% ethyl alcohol (hereinafter
referred to as the "ethanol") content in
the gasoline. If the gasoline in your area
contains ethanol, be aware of certain
adverse effects that can occur. Increas-
ing the percentage of ethanol in the fuel
can also worsen these adverse effects.
Some of these adverse effec ts are
caused by ethanol absorbing moisture in
the air, which leads to separation 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 permeation through rubber fuel
lines
z Starting and operating difficulties
If the use of gasoline containing ethanol
cannot be avoided or presence of etha-
nol is suspected in the gasoline, it is rec-
ommended to use a filter to separate
water, and frequently check the fuel sys-
tem for leaks, mechanical parts for cor-
rosion and abnormal wear.
And, in case any of such abnormality is
found, discontinue the use of such gaso-
line and contact our dealer immediately.
If the outboard motor will only be used
infrequently, please see the remarks on
fuel deterioration in the STORAGE chap-
ter (P 47) for additional information.
ENOW00975-0
When operating an outboard motor with
gasoline containing ethanol, storing gasoline
in the fuel tank for long periods should be
avoided. Storing gasoline for long periods
creates unique problems. In cars, ethanol
blended fuels are normally consumed before
they can absorb enough moisture to cause
problems, but boats often sit idle long
enough for separation phase to take place.
In addition, internal corrosion may take
place during storage if ethanol washes away
the oil films protecting internal components.
1. Fuel handling
CAUTION
CAUTION
PRE-OPERATING PREPARATIONS 25
6
ENOW00018-1
Fuel leakage can cause fire or explosion,
potentially leading to severe injury or loss of
life. Every par t of fuel system should be
inspected periodically. Inspect for fuel leak,
hardness or any alteration of rubber, expan-
sion and/or corrosion of metals especially
after long term storage. In case any indica-
tion of fuel leakage or degradation in fuel
system is found, replace the part immedi-
ately before using the outboard motor.
ENOM00043-B
ENOW00976-0
Do not fill the fuel tank over capacity. Under
high temperature conditions, excessive gas-
oline may evaporate/leak through air vent
screw when it is loose or open. Leaking of
gasoline is a may lead to a dangerous fire
hazard.
ENOW00028-1
Consult an authorized dealer for details on
handling gasoline, if necessary.
Gasoline and its vapor are very flammable
and can be explosive.
When carrying a fuel tank containing gaso-
line:
zClose the fuel tank cap and air vent screw
of fuel tank cap, or gasoline may evapo-
rate through the air vent screw and may
lead to a fire hazard.
zDo not smoke.
When or before refueling:
zBe sure to remove the static electricity
charged in your body before refueling.
zThe static electricity may ignite the gaso-
line vapor during refueling.
zStop the engine, and do not start the
engine during refueling.
zDo not smoke.
zBe careful not to overfill fuel tank. Wipe
up any spilled gasoline immediately.
When or before cleaning the gasoline tank:
zDismount fuel tank from the boat.
zPlace the fuel tank away from every
source of ignition, such as sparks or open
flames.
zDo the work outdoors or in a well venti-
lated area.
zWipe up gasoline well immediately if
spilled.
After cleaning gasoline tank:
zWipe up gasoline well immediately if
spilled.
zIf the fuel tank is disassembled for clean-
ing, r eassemble carefully. Incorrect
assembly may cause a fuel leak, possibly
leading to fire or explosion.
zDispose aged or contaminated gasoline in
accordance with local regulations.
ENOW00029-A
When 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 heat from
sources such as sun light.
1. Fully open the air vent screw on the
fuel tank cap and release internal
pressure.
WARNING
2. Fuel filling
WARNING
WARNING WARNING
PRE-OPERATING PREPARATIONS26
6
1. Air vent screw
2. Fuel tank cap
2. Open the fuel tank cap slowly.
3. Fill the fuel carefully not to overflow.
4. After filling the tank, close the fuel
tank cap.
ENOM01002-0
ENOW0002A-A
Use of engine oils that do not meet these
requirements will result in reduced engine
life, and other engine problems.
Use a genuine two stroke engine oil or
ones recommended (TC-W3). Refer to
your Distributor.
Use of other two stroke engine oil is not
recommended.
Add engine oil into fuel tank. The mixing
ratio of gasoline and oil is 50:1. Make sure
that gasoline and oil are mixed well. The
mixing ratio during break in is 25:1.
Mixing Ratio
ENOM01003-0
Engine oil – gasoline mixing
procedure
ENOW00937-1
zDo not use other than two stroke engine
oil with specified grade, or the engine
may be damaged.
zDo not use fuel prepared in other than
specified mixing ratio.
- Lack of engine oil can cause severe
engine problems such as piston seizure.
-Excess of engine oil can shorten spark
plug life, and/or cause increase of nox-
ious exhaust.
3. Engine oil recommendation
CAUTION
12
ENOF00417-1
SAFE FILL
LEVEL
12 L
NIVEAU
MAXIMUM
ENOF00419-A
Gasoline : Engine Oil
During break-in 25 : 1
After break-in 50 : 1
CAUTION
ENOF02210-0
12L
(12:0.24)
(12: 0.48) (25:0.5)
(25:1)
2L 25L 30L
0
0.24L
0.48L
1.0L
25:1
50:1
Oil
Fuel by Oil Mixing (50:1, 25:1)
Gasoline
PRE-OPERATING PREPARATIONS 27
6
For engine oil and gasoline mixing ratio,
refer to table in previous page.
When portable fuel tank is used for
operation of outboard motor(s):
1
Pour engine oil into fuel tank, and
then, gasoline.
2
Put cap on the tank, and close tightly.
3
Close air vent plug tightly.
ENOW00938-0
Loose cap or air vent plug can cause leak of
fuel.
4
Shake the tank to mix engine oil and
gasoline well.
For boat with built in fuel tank,:
1
Prepare separate fuel container for
pre-mixing.
2
Pour engine oil into fuel container, and
then, gasoline.
3
Put cap on the container, and close
tightly.
4
Shake the container to mix engine oil
and gasoline well.
5
Pour the fuel into fuel tank.
ENON00922-1
Notes
zIt is recommended to pre-mix by using
separate fuel container. Avoid mixing
the oil and gasoline in the built in fuel
tank on the boat.
zIf mixing in built-in fuel tank on the
boat, allow it to mix well by pouring
engine oil into the tank little by little
while pouring gasoline into the tank.
WARNING
ENOF01709-A1
PRE-OPERATING PREPARATIONS28
6
ENOM00033-B
Your new outboard motor and lower unit
require break-in for the moving compo-
nents a ccordi n g to the c ondi ti ons
described in the following timetable.
ENOW00024-1
Do not oper ate the outboard motor in
closed area or area with not enough ventila-
tion.
Exhaust gas emitted by the outboard motor
contains carbon monoxide that may cause
dizziness, nausea, other health problem or
even death if inhaled continuously.
During operation of the outboard motor:
zKeep peripheral area well ventilated.
zAlways stay on the windward side of emis-
sion.
ENOW00023-1
Operating the outboard motor without
break-in can shorten life of the product.
If any abnormality is experienced during the
break-in:
zDiscontinue the operation immediately.
zHave the dealer check the product and
take proper action(s) if necessary.
ENOM01004-1
Fuel mixing ratio for break-in
Gasoline 25: Genuine Engine Oil 1
ENON00008-2
Note
zDuring Break-in, run the outboard
motor at varied RPM less than specified
engine speed. Not following the proce-
dure may result in problems and may
shorten the product life.
zBreak-in must be conducted under
load in the water in-gear with propeller
installed.
4. Break-In
DANGER
CAUTION
1–10 min 10 min – 2 hrs 2–3 hrs 3–10 hrs After 10 hrs
Throttle Position Idle Less than 1/2
throttle
Less than 3/4
throttle 3/4 throttle Full throttle
available
Speed Approx. 3000
min-1 (rpm) max
Full throttle run
allowed for 1
min every 10
min
Approx. 4000
min-1 (rpm). Full
throttle run
allowed for 2
min every 10
min
29
7
ENGINE OPERATION
ENOM00042-0
ENOW00022-B
Be sure to fill the engine before starting
engine. (To properly fill the engine with oil
follow the instructions. See page 26)
ENOM00044-E
ENOW00029-1
When 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 heat from
sources such as sun light.
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 tank.
3. Connect the fuel connector to the
engine and fuel tank.
1. Fuel connector
2. Pull
3. Insert
Before starting
CAUTION
1. Fuel feeding
WARNING
ENOF01710-A
12
ENOF00417-1
3
1
2
ENOF02211-0
ENGINE OPERATION30
7
1. Pull
2. Insert
4. Squeeze primer bulb until it becomes
stiff to feed fuel to carburetor. Point
the arrow mark upward when priming.
1. Engine side
2. Fuel tank side
Do not squeeze primer bulb with engine
running or when the outboard motor is
tilted up to avoid fuel from overflowing.
ENOM00045-A
ENOW00958-1
zDo not remove or install the top cowl
after the engine has started.
zThe exposed rotating engine parts cause
serious injury.
ENOW00959-0
The top cowl must be installed while the
engine running except in an emergency. If
the top cowl is not installed correctly, water
splash can damage the engine.
ENOW00036-A
When star ting the outboard motor in the
test tank, make sure that:
1. Water level is at least 10 cm (4 in.) above
the anti-ventilation plate to avoid over-
heating of the engine.
2. Run at idling only
3. Remove the propeller (See page 54)
1. Test tank
2. Water
3. Over 10 cm (4 in.)
ENOW00036-1
Operating outboard motor without cooling
water will lead to overheating and damage on
the outboard motor severely. In case the
cooling 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 cause, consult
an authorized dealer immediately.
2. Starting the engine
WARNING
1
2
ENOF00861-A
1
2ENOF00862-0
CAUTION
CAUTION
CAUTION
1
3
2
ENOF00863-0
ENGINE OPERATION 31
7
This model is provided with start in gear
protection.
ENON00010-1
Note
Start-in-gear protection prevents the
engine from starting at other than neutral
shift. In-gear starting of engine will move
the boat immediately, potentially leading to
fall down or causing passenger(s) to be
thrown overboard.
ENOM01005-A
Tiller handle 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. Stop switch
2. Set the control lever in the Neutral
position.
1. Shift lever
3. Set the throttle grip to START posi-
tion.
1. Throttle grip
2. START position
3. Fully closed
4. Fully opened
4. Pull the choke knob fully.
1. Choke knob
ENOF02212-0
12
ENOF02213-0
1
N
4
3
2
1
ENOF02214-1
1
ENOF02215-0
ENGINE OPERATION32
7
(For manual starter type)
5. Pull the starter handle slowly until you
feel engagement, keep pulling till you
feel less resistance. Then pull it
quickly. Repeat the procedure until
the outboard motor is started.
1. Slowly
2. Quickly
3. Starter handle
(For electrical starter type)
5. Push the starter switch button and
release the button when the engine
has started.
1. Starter switch button
ENOW00032-0
Do not keep turning starter motor for over 5
seconds, or the battery may be consumed,
potentially making the engine star ting
impossible and/or damaging the starter.
If cranking over 5 seconds fails to star t
engine, return main switch to “ON”, and
crank engine again after 10 seconds or more.
6. Return the choke knob fully after
engine has started.
7. Make sure that water is being dis-
charged from the cooling water check
port.
1. Cooling water check port
2. Idle port
ENOM00042-C
Emergency starting
ENOW00099-1
When the emergency starter rope is used for
starting engine;
zStart in gear protection does not work.
Make sure that shift is in neutral position.
If the gear is in Forward or Reverse, the
boat can start moving immediately and
may lead to accident and personal injury.
zBe careful that of your clothes or other
items do not to get caught in the rotating
parts.
zTo prevent accident and injury by rotating
parts, do not re-attach flywheel cover
and the top cowl after the engine has
been started.
CAUTION
1
3
2
ENOF02216-0
1
ENOF02217-0
WARNING
ENOF02218-0
1
2
Especificaciones del producto
| Marca: | Tohatsu |
| Categoría: | Motor fuera de borda |
| Modelo: | M6B |
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