Suzuki DF 70 User manual

99500-99E10-01E

For ’03 model –

This manual contains an introductory description on

SUZUKI Outboard motor DF60/70 and procedures

for the inspection, service and overhaul of its main

components.

General knowledge information is not included.

Please read the GENERAL INFORMATION sec-

tion to familiarize yourself with basic informa-

tion concerning this motor. Read and refer to the

other sections in this manual for information re-

garding proper inspection and service proce-

dures.

This manual will help you better understand this out-

board motor so that you may provide your custom-

ers with optimum and quick service.

Marine & Power Products Division

GROUP INDEX

!

Apprentice mechanics or do-it-yourself me-

chanics that don’t have the proper tools and

equipment may not be able to properly per-

form the services described in this manual.

Improper repair may result in injury to the

mechanic and may render the engine unsafe

for the boat operator and passengers.

FOREWORD

• This manual has been prepared using the lat-

est information available at the time of publi-

cation.

If a modification has been made since then,

differences may exist between the content of

this manual and the actual outboard motor.

• Illustrations in this manual are used to show

the basic principles of operation and work pro-

cedures and may not represent the actual out-

board motor in exact detail.

• This manual is intended for use by technicians

who already possess the basic knowledge and

skills to service SUZUKI outboard motors.

Persons without such knowledge and skills

should not attempt to service an outboard en-

gine by relying on this manual only.

Instead, please contact your nearby autho-

rized SUZUKI outboard motor dealer.

COPYRIGHT SUZUKI MOTOR CORPORATION 2002

NOTE:

This manual is compiled based on 2003 (K3) model.

GENERAL INFORMATION

PERIODIC MAINTENANCE

ENGINE CONTROL SYSTEM

ELECTRICAL

FUEL SYSTEM

POWER UNIT

MID UNIT

POWER TRIM AND TILT

LOWER UNIT

ROUTING AND DIAGRAM

1

2

3

4

5

6

7

8

9

10

HOW TO USE THIS MANUAL

TO LOCATE WHAT YOU ARE

LOOKING FOR:

1. The text of this manual is divided into sections.

2. The section titles are listed on the previous page

in a GROUP INDEX. Select the section needed

for reference.

3. Holding the manual as shown at the right will al-

low you to find the first page of the section easily.

4. The first page of each section lists a table of con-

tents to easily locate the item and page you need.

COMPONENT PARTS AND IMPORTANT ITEM ILLUSTRATIONS

Under the name of each system or unit, an exploded view is provided with work instructions and other

service information such as the tightening torque, lubrication and locking agent points.

Example :

1 Bolt (1)

2 Washer (1)

3 Key (1)

4 Flywheel (1)

5 Battery charge coil (1)

6 Screw (3)

7 Rectifier & regulator (1)

8 Bolt (2)

"

1

190 N

.

m

(19.0 kg-m, 137.5 Ib-ft)

2

3

4

5

6

7

8

#

$

SYMBOL

Listed in the table below are the symbols indicating instructions and other important information neces-

sary for proper servicing. Please note the definition for each symbol. You will find these symbols used

throughout this manual. Refer back to this table if you are not sure of any symbol(s) meanings.

Apply THREAD LOCK “1342”.

Apply THREAD LOCK SUPER

“1333B”.

Measure in DC voltage range.

Measure in resistance range.

Measure in continuity test range.

Use peak voltmeter

“Stevens CD-77”.

Use special tool.

Torque control required.

Data beside it indicates specified

torque.

Apply oil. Use engine oil unless

otherwise specified.

Apply SUZUKI OUTBOARD

MOTOR GEAR OIL.

Apply SUZUKI SUPER GREASE “A”.

Apply SUZUKI WATER

RESISTANT GREASE.

Apply SUZUKI BOND “1104”.

Apply SUZUKI BOND “1207B”.

Apply SUZUKI SILICONE SEAL.

SYMBOL DEFINITION SYMBOL DEFINITION

"

$

%

&

'

(

)

*

#

+

,

-

.

/

0

GENERAL INFORMATION 1-1

GENERAL INFORMATION

1

WARNING / CAUTION / NOTE________________________________ 1- 2

GENERAL PRECAUTIONS __________________________________ 1- 2

IDENTIFICATION NUMBER LOCATION ________________________ 1- 4

FUEL AND OIL ____________________________________________ 1- 4

GASOLINE RECOMMENDATION ................................................................. 1- 4

ENGINE OIL .................................................................................................... 1- 4

ENGINE BREAK-IN ________________________________________ 1- 5

WARM-UP RECOMMENDATION .................................................................. 1- 5

THROTTLE RECOMMENDATION ................................................................. 1- 5

PROPELLERS ____________________________________________ 1- 6

SPECIFICATIONS _________________________________________ 1- 7

SERVICE DATA ___________________________________________ 1- 9

TIGHTENING TORQUE _____________________________________ 1-15

SPECIAL TOOLS __________________________________________ 1-17

MATERIALS REQUIRED ____________________________________ 1-20

CONTENTS

1-2 GENERAL INFORMATION

WARNING / CAUTION / NOTE

Please read this manual and follow its instructions carefully. To emphasize special information, the symbol

and the words WARNING, CAUTION and NOTE have special meanings. Pay special attention to the mes-

sages highlighted by these signal words.

!

Indicates a potential hazard that could result in death or injury.

"

Indicates a potential hazard that could result in motor damage.

NOTE:

Indicates special information to make maintenance easier or instructions clearer.

Please note, however, that the warnings and cautions contained in this manual cannot possibly cover all

potential hazards relating to the servicing, or lack of servicing, of the outboard motor. In addition to the

WARNING and CAUTION stated, you must also use good judgement and observe basic mechanical safety

principles.

GENERAL PRECAUTIONS

• Proper service and repair procedures are important for the safety of the service mechanic and

the safety and reliability of the outboard motor.

• To avoid eye injury, always wear protective goggles when filing metals, working on a grinder,

or doing other work, which could cause flying material particles.

• When 2 or more persons work together, pay attention to the safety of each other.

• When it is necessary to run the outboard motor indoors, make sure that exhaust gas is vented

outdoors.

• When testing an outboard motor in the water and on a boat, ensure that the necessary safety

equipment is on board. Such equipment includes : flotation aids for each person, fire extin-

guisher, distress signals, anchor, paddles, bilge pump, first-aid kit, emergency starter rope,

etc.

• When working with toxic or flammable materials, make sure that the area you work in is well-

ventilated and that you follow all of the material manufacturer’s instructions.

• Never use gasoline as a cleaning solvent.

• To avoid getting burned, do not touch the engine, engine oil or exhaust system during or

shortly after engine operation.

• Oil can be hazardous. Children and pets may be harmed from contact with oil. Keep new and

used oil away from children and pets. To minimize your exposure to oil, wear a long sleeve

shirt and moisture-proof gloves (such as dishwashing gloves) when changing oil. If oil con-

tacts your skin, wash thoroughly with soap and water. Launder any clothing or rags if wet with

oil. Recycle or properly dispose of used oil.

• After servicing fuel, oil/engine cooling system and exhaust system, check all lines and fittings

related to the system for leaks.

• Carefully adhere to the battery handling instructions laid out by the battery supplier.

!

GENERAL INFORMATION 1-3

• If parts replacement is necessary, replace the parts with Suzuki Genuine Parts or their equiva-

lent.

• When removing parts that are to be reused, keep them arranged in an orderly manner so that

they may be reinstalled in the proper order and orientation.

• Be sure to use special tools when instructed.

• Make sure that all parts used in assembly are clean and also lubricated when specified.

• When use of a certain type of lubricant, bond, or sealant is specified, be sure to use the speci-

fied type.

• When removing the battery, disconnect the negative cable first and then the positive cable.

When reconnecting the battery, connect the positive cable first and then the negative cable.

• When performing service to electrical parts, if the service procedures do not require using

battery power, disconnect the negative cable at the battery.

• Tighten cylinder head and case bolts and nuts, beginning with larger diameter and ending with

smaller diameter. Always tighten from inside to outside diagonally to the specified tightening

torque.

• Whenever you remove oil seals, gaskets, packing, O-rings, locking washers, locking nuts, cot-

ter pins, circlips, and certain other parts as specified, always replace them with new. Also,

before installing these new parts, be sure to remove any left over material from the mating

surfaces.

• Never reuse a circlip. When installing a new circlip, take care not to expand the end gap larger

than required to slip the circlip over the shaft. After installing a circlip, always ensure that it is

completely seated in its groove and securely fitted.

• Use a torque wrench to tighten fasteners to the torque values when specified.

Remove grease or oil from screw / bolt threads unless a lubricant is specified.

• After assembly, check parts for tightness and operation.

• To protect the environment, do not unlawfully dispose of used motor oil, other fluids, and

batteries.

• To protect the Earth’s natural resources, properly dispose of used motor parts.

"

1-4 GENERAL INFORMATION

IDENTIFICATION NUMBER LOCATION

MODEL, PRE-FIX, SERIAL NUMBER

The MODEL, PRE-FIX and SERIAL NUMBER of the motor

are stamped on a plate attached to the clamp bracket.

Example

FUEL AND OIL

GASOLINE RECOMMENDATION

Suzuki highly recommends that you use alcohol - free un-

leaded gasoline with a minimum pump octane rating of 87

(R+M / 2 method) or 91 (Research method). However, blends

of unleaded gasoline and alcohol with equivalent octane con-

tent may be used.

Allowable maximum blend of a single additive (not combina-

tion) :

5% Methanol, 10% Ethanol, 15% MTBE

"

If leaded gasoline is used, engine damage may re-

sult. Use only unleaded gasoline.

ENGINE OIL

Use only oils that are rated SE, SF, SG, SH, or SJ under the

API (American Petroleum Institute) classification system.

The viscosity rating should be SAE 10W-40.

If an SAE 10W-40 motor oil is not available, select an alterna-

tive according to the chart at right.

ENGINE SERIAL NUMBER

A second engine serial number plate is pressed into a boss

on the cylinder block.

SUZUKI MOTOR CO.,LTD.

MADE IN JAPAN FABRIQUE AU JAPON

GENERAL INFORMATION 1-5

ENGINE BREAK-IN

The first 10 hours are critically important to ensure correct

running of either a brand new motor or a motor that has been

reconditioned or rebuilt. How the motor is operated during this

time will have direct bearing on its life span and long-term

durability.

Break-in period : 10 hours

WARM-UP RECOMMENDATION

Allow sufficient idling time (more than 5 minutes) for the en-

gine to warm up after cold engine starting.

THROTTLE RECOMMENDATION

NOTE:

Avoid maintaining a constant engine speed for an extended

period at any time during the engine break-in by varying the

throttle position occasionally.

1. FIRST 2 HOURS

For first 15 minutes, operate the engine in-gear at idling

speed.

During the remaining 1 hour and 45 minutes, operate the

engine in-gear at less than 1/2 (half) throttle (3000 r/min).

NOTE:

The throttle may be briefly opened beyond the recommended

setting to plane the boat, but must be reduced to the recom-

mended setting immediately after planing.

2. NEXT 1 HOUR

Operate the engine in-gear at less than 3/4 (three-quar-

ter) throttle (4000 r/min).

3. LAST 7 HOURS

Operate the engine in-gear at desired engine speed.

However, do not operate continuously at full throttle for

more than 5 minutes.

1-6 GENERAL INFORMATION

PROPELLERS

An outboard motor is designed to develop its rated power within

a specified engine speed range. The maximum rated power

delivered by the DF60/70 models are shown below.

Blade × Diam. (in) × Pitch (in)

3

× 13 - # × 17 (U1700)

3

× 13 × 18 (U1800)

3

× 13 × 19 (U1900)

3

× 14 × 11 (V1100)

3

× 13 - $ × 13 (V1300)

3

× 13 - % × 15 (V1500, VS1500)

3

× 13 - # × 17 (V1700, VS1700)

3

× 13 × 19 (V1900, VS1900)

3

× 13 × 21 (V2100, VS2100)

If the standard propeller fails to meet the above requirement,

use another pitch propeller to hold the engine speed within

the range specified above.

Propeller selection chart

Recommended full

throttle speed range

DF60 4700 – 5300 r/min

DF70 5200 – 5800 r/min

"

Installing a propeller with pitch either too high or too

low will cause incorrect maximum engine speed,

which may result in severe damage to the motor.

GENERAL INFORMATION 1-7

*SPECIFICATIONS

*

These specifications are subject to change without notice.

Item Unit

Data

DF60T DF70(W)T

PRE-FIX 06001F 07001F

DF70WTH

DIMENSIONS & WEIGHT

Overall length (front to back)

mm (in)

Overall width (side to side)

mm (in)

435 (17.1)

Overall height

L

mm (in)

1493 (58.8)

UL

mm (in)

1620 (63.8)

Weight

(without engine oil)

L

kg (Ibs)

162 (357.1)

UL

kg (Ibs)

167 (368.2)

Transom height

L

mm (inch type)

520 (20)

UL

mm (inch type) 647 (25)

PERFORMANCE

Maximum output

kW (PS)

44.1 (60)

Recommended operating range

r/min

Idle speed

r/min

51.5 (70)

4700 – 5300

5200 – 5800

700 ± 50 (in-gear: approx. 700)

POWERHEAD

Engine type

4-stroke SOHC

Number of cylinders

4

Bore

mm (in)

74.0 (2.91)

Stroke

mm (in)

75.5 (2.97)

Total displacement

cm

3

(cu in)

1298 (79.2)

Compression ratio

: 1

9.5

Spark plug

NGK

BPR6ES

Ignition system

Full-transistorized ignition

Fuel supply system

Multi-point sequential electronic fuel injection

Exhaust system

Through prop exhaust

Cooling system

Water cooled

Lubrication system

Wet sump by trochoid pump

Starting system

Electric

Throttle control

Remote control

162 (357.1)

167 (368.2)

165 (363.8)

170 (374.8)

Remote control Twist grip

795 (31.3)

892 (35.1)

1-8 GENERAL INFORMATION

FUEL & OIL

Fuel

Suzuki highly recommends that you use alcohol-free unleaded gasoline

with a minimum pump octane rating of 87 (

2

method) or 91

(Research method). However, blends of unleaded gasoline and alcohol

with equivalent octane content may be used.

Engine oil

API classification SE, SF, SG, SH, SJ

Viscosity rating SAE 10W-40

Engine oil amounts

L (US/Imp. qt)

4.5 (4.8/4.0) : Oil change only

4.8 (5.1/4.2) : Oil filter change

R + M

ml (US/Imp. oz)

Gear oil

Gearcase oil amounts

SUZUKI Outboard Motor Gear Oil (SAE #90 hypoid gear oil)

1050 (35.5/37.0)

BRACKET

Trim angle

PTT system

Number of trim position

PTT system

Maximum tilt angle

75

°

LOWER UNIT

Reversing system

Gear

Transmission

Forward-Neutral-Reverse

Reduction system

Bevel gear

Gear ratio

12 : 29 (2.417)

Drive line impact protection

Spline drive rubber hub

Propeller

Blade × Diam. (in) × Pitch (in)

3 × 13 - # × 17 (U1700)

3 × 13 × 18 (U1800)

3 × 13 × 19 (U1900)

3 × 14 × 11 (V1100)

3 × 13 - $ × 13 (V1300)

3 × 13 - % × 15 (V1500, VS1500)

3 × 13 - # × 17 (V1700, VS1700)

3 × 13 × 19 (V1900, VS1900)

3 × 13 × 21 (V2100, VS2100)

Item Unit

Data

DF60T

DF70(W)T DF70WTH

GENERAL INFORMATION 1-9

*SERVICE DATA

*These service data are subject to change without notice.

POWERHEAD

Recommended operating range

r/min 4700 – 5300

Idle speed

700 ± 50 (in-gear: approx.700)

r/min

5200 – 5800

*Cylinder compression

1300 – 1600 (13 – 16, 185 – 228)

kPa (kg/cm

2

. psi)

*Cylinder compression max.

difference between any other

cylinders

200 (2.0, 28)

kPa (kg/cm

2

. psi)

*Engine oil pressure

{Oil temp. at 60°C (140°F)}

420 – 490 (4.2 – 4.9, 60 – 70) at 3000 r/min

kPa (kg/cm

2

. psi)

Engine oil

Engine oil amounts

L (US/Imp. qt)

Thermostat operating

temperature

58 – 62 (136 – 144)

°C (°F)

API classification SE, SF, SG, SH, SJ

Viscosity rating SAE 10W-40

4.5 (4.8/4.0) : Oil change only

4.8 (5.1/4.2) : Oil filter change

* Figures shown are guidelines only, not absolute service limits.

Item Unit

Data

DF60T DF70(W)T/70WTH

CYLINDER HEAD / CAMSHAFT

0.05 (0.002)

mm (in)

Limit

Cam height

mm (in)

38.061–38.221 (1.4985–1.5048)

37.631–37.791 (1.4815–1.4878)

Cylinder head distortion

0.10 (0.004)

mm (in)

Limit

Intake manifold seating

faces distortion

STD

Limit

mm (in)

37.961 (1.4945)

37.531 (1.4776)

IN

mm (in)

38.059–38.219 (1.4984–1.5047) 37.629–37.789 (1.4815–1.4878)

STD

Limit

mm (in)

37.959 (1.4944)

37.529 (1.4775)

EX

0.050 – 0.091 (0.0020 – 0.0036)

mm (in)

Camshaft journal oil

clearance

STD

Limit

0.150 (0.0059)

mm (in)

Camshaft

holder inside

diameter

Top

mm (in)

STD 45.000 – 45.016 (1.7717 – 1.7723)

0.10 (0.004)

mm (in)

Limit

Camshaft runout

Rocker arm shaft to

rocker arm clearance

0.012 – 0.045 (0.0005 – 0.0018)mm (in)

STD

0.090 (0.0035)

mm (in)

Limit

Rocker arm inside

diameter

16.000 – 16.018 (0.6299 – 0.6306)mm (in)

STD

Rocker arm shaft

outside diameter

15.973 – 15.988 (0.6289 – 0.6294)mm (in)

STD

Rocker arm shaft

runout

0.12 (0.005)

mm (in)

Limit

2nd

mm (in)

STD

44.800 – 44.816 (1.7638 – 1.7644)

3rd

mm (in)

STD

44.600 – 44.616 (1.7559 – 1.7565)

4th

mm (in)STD 44.400 – 44.416 (1.7480 – 1.7487)

Bottom

mm (in)STD 44.200 – 44.216 (1.7402 – 1.7408)

Camshaft

journal outside

diameter

Top

mm (in)STD 44.925 – 44.950 (1.7687 – 1.7697)

2nd

mm (in)STD 44.725 – 44.750 (1.7608 – 1.7618)

3rd

mm (in)STD 44.525 – 44.550 (1.7530 – 1.7539)

4th

mm (in)STD 44.325 – 44.350 (1.7451 – 1.7461)

Bottom

mm (in)STD 44.125 – 44.150 (1.7372 – 1.7382)

1-10 GENERAL INFORMATION

VALVE /

VALVE GUIDE

36 (1.4)

mm (in)

IN

Valve clearance

(when cold)

mm (in)

Valve diameter

STD

mm (in)

STD

Limit

mm (in)

0.045 – 0.075 (0.0018 – 0.0030)

mm (in)

STD

Limit

0.090 (0.0035)

mm (in)

IN,EX

mm (in)

STD

7.000 – 7.015 (0.2756 – 0.2762)

Item Unit

Data

DF60T DF70(W)T/70WTH

30 (1.2)

mm (in)

EX

IN

EX

0.11 – 0.15 (0.004 – 0.006)

0.13 – 0.17 (0.005 – 0.007)

0.020 – 0.050 (0.0008 – 0.0020)

0.070 (0.0028)

IN

EX

Valve guide to

valve stem

clearance

Valve guide

inside diameter

IN,EX

mm (in)

STD

14.0 (0.55)

Valve guide

protrusion

Valve stem

outside diameter

mm (in)

STD

mm (in)

IN

EX

6.965 – 6.980 (0.2742 – 0.2748)

6.940 – 6.955 (0.2732 – 0.2738)

IN,EX

mm (in)

Limit

6.05 (0.238)

Valve stem end

length

Valve stem end

deflection

mm (in)Limit

Limit

mm (in)

IN

EX

0.14 (0.006)

0.18 (0.007)

IN,EX

mm (in)

Limit

0.05 (0.002)

Valve stem runout

IN,EX

mm (in)

Limit

0.08 (0.003)

Valve head

radial runout

Valve head

thickness

mm (in)

STD

Limit

mm (in)

1.0 (0.04)

0.6 (0.02)

mm (in)

Limit

0.7 (0.03)

Valve seating

contact width

STD

mm (in)

IN,EX

1.3 – 1.5 (0.05 – 0.06)

Valve spring free

length

49.3 (1.94)

mm (in)

STD

48.1 (1.89)

mm (in)

Limit

Valve spring tension

24.8 – 29.2 (54.7 – 64.3) for 41.5 mm (1.63 in)kg (Ibs)STD

22.8 (50.2) for 41.5 mm (1.63 in)kg (Ibs)

Limit

Valve spring

sequareness

2.0 (0.08)

mm (in)

Limit

IN,EX

IN

EX

GENERAL INFORMATION 1-11

CYLINDER / PISTON / PISTON RING

0.060 (0.0024)

mm (in)

Limit

Piston ring

end gap

mm (in)

0.15 – 0.30 (0.006 – 0.012)

Cylinder distortion

Piston to cylinder

clearance

STD

Limit

mm (in)

0.70 (0.028)

1st

mm (in)

0.20 – 0.35 (0.008 – 0.014)

STD

Limit

mm (in)

0.70 (0.028)

2nd

Item Unit

Data

DF60T DF70(W)T/70WTH

mm (in)

0.020 – 0.040 (0.0008 – 0.0016)

STD

Limit

mm (in)

0.100 (0.0039)

74.000 – 74.020 (2.9134 – 2.9142)

mm (in)

STD

Cylinder bore

50 (2.0) from cylinder top surface

mm (in)

Cylinder measuring position

73.970 – 73.990 (2.9122 – 2.9130)

mm (in)

STD

Piston skirt diameter

15 (0.6) from piston skirt end.

mm (in)

Piston measuring position

0.100 (0.0039)

mm (in)

Limit

Cylinder bore wear

Piston ring

free end gap

mm (in)

Approx. 7.7 (0.30)

STD

Limit

mm (in)

6.1 (0.24)

1st

mm (in)

Approx. 10.4 (0.41)

STD

Limit

mm (in)

8.3 (0.33)

2nd

Piston ring

groove width

mm (in)

1.22 – 1.24 (0.048 – 0.049)

1st

mm (in)

1.51 – 1.53 (0.059 – 0.060)

mm (in)

2.81 – 2.83 (0.111 – 0.112)

2nd

Oil

Piston ring

to groove

clearance

mm (in)

0.03 – 0.07 (0.001 – 0.003)

STD

Limit

mm (in)

0.12 (0.005)

1st

mm (in)

0.02 – 0.06 (0.001 – 0.002)

STD

Limit

mm (in)

0.10 (0.004)

2nd

Piston ring

thickness

mm (in)

1.17 – 1.19 (0.046 – 0.047)

STD

mm (in)

1.47 – 1.49 (0.058 – 0.059)

1st

2nd

Piston pin oil

clearance

mm (in)

0.003 – 0.016 (0.0001 – 0.0006)

STD

Limit

mm (in)

0.040 (0.0016)

Piston pin outside

diameter

mm (in)

16.995 – 17.000 (0.6691 – 0.6693)

STD

Piston pin hole

diameter

mm (in)

17.003 – 17.011 (0.6694 – 0.6697)

STD

1-12 GENERAL INFORMATION

Item Unit

Data

DF60T DF70(W)T/70WTH

CRANKSHAFT / CONROD

Conrod big end oil

clearance

0.020 – 0.050 (0.0008 – 0.0020)

mm (in)

STD

0.080 (0.0031)

mm (in)

Limit

Conrod small end

inside diameter

16.968 – 16.979 (0.6680 – 0.6685)

mm (in)

STD

Conrod big end

inside diameter

45.000 – 45.018 (1.7717 – 1.7724)

mm (in)

STD

Crank pin outside

diameter

41.982 – 42.000 (1.6528 – 1.6535)

mm (in)

STD

Crank pin outside

diameter difference

0.010 (0.0004)

mm (in)

Limit

Conrod bearing

thickness

1.484 – 1.502 (0.0584 – 0.0591)

mm (in)

STD

Conrod big end side

clearance

0.10 – 0.25 (0.004 – 0.010)

mm (in)

STD

0.35 (0.014)

mm (in)

Limit

21.95 – 22.00 (0.864 – 0.866)

mm (in)

STD

Conrod big end width

22.10 – 22.20 (0.870 – 0.874)

mm (in)

STD

Crank pin width

Crankshaft journal

oil clearance

0.016 – 0.036 (0.0006 – 0.0014)

mm (in)

STD

0.060 (0.0024)

mm (in)

Limit

Crankshaft center

journal runout

0.06 (0.002)

mm (in)

Limit

Crankcase bearing

holder inside diameter

56.000 – 56.018 (2.2047 – 2.2054)

mm (in)

STD

Crankshaft journal

outside diameter

51.982 – 52.000 (2.0465 – 2.0472)

mm (in)

STD

Crankshaft journal

outside diameter

difference

0.010 (0.0004)

mm (in)

Limit

Crankshaft thrust

clearance

0.11 – 0.31 (0.004 – 0.012)

mm (in)

STD

0.38 (0.015)

mm (in)

Limit

Crankshaft thrust

bearing thickness

2.47 – 2.52 (0.097 – 0.099)

mm (in)

STD

Crankshaft bearing

thickness

1.998 – 2.014 (0.0787 – 0.0793)

mm (in)

STD

LOWER UNIT

Design specification thickness for shim & washer.

1.00 (0.039)

mm (in)

Pinion gear back-up shim

1.00 (0.039)

mm (in)

Forward gear back-up shim

3.0 (0.12)

mm (in)

Forward gear thrust washer

2.2 (0.09)

mm (in)

Reverse gear thrust washer

1.5 (0.06)

mm (in)

Reverse gear back-up shim

GENERAL INFORMATION 1-13

Item Unit

Data

DF60T DF70(W)T/70WTH

ELECTRICAL

BTDC 4° – BTDC 33°

Ignition timing

Approx. 6500r/min

Over revolution limiter

Ω at 20°C

CKP sensor resistance

Ω at 20°C

CMP sensor resistance

Ω at 20°C

Ignition coil

resistance

Primary

k Ω at 20°C

Secondary

Ω at 20°C

Battery charge coil resistance

Watt

Battery charge coil output (12V)

NGK

Standard spark

plug

Type

mm (in)

Gap

0.7 – 0.8 (0.028 – 0.031)

A

Fuse amp. rating

Main fuse : 30

Ah (kC)

Recommended battery

capacity (12V)

100 (360) or over

Ω at 20°C

Fuel injector resistance

Ω at 20°C

IAC valve resistance

k Ω at 25°C

IAT sensor/Cylinder temp. sensor

/Exhaust manifold temp. sensor

(Thermistor characteristic)

Ω at 20°C

ECM main relay resistance

Ω at 20°C

Starter motor relay resistance

Ω at 20°C

PTT motor relay resistance

1.8 – 2.3

80 – 120

3.5 – 5.1

3.0 – 4.5

168 – 252

1.9 – 2.5

No.2 – No.3: 15 – 26 (including H.T. cord and spark plug cap)

No.1 – No.4: 16 – 28 (including H.T. cord and spark plug cap)

BPR6ES

0.3 – 0.5

300

11.0 – 16.6

4.8 – 7.2

k Ω /m at 20°C

High tension cord resistance

Approx. 16

STARTER MOTOR

30

Sec

Max. continuous time of use

0.9

kW

Motor output

17.0 (0.67)

mm (in)

STD

Brush length

10.0 (0.39)

mm (in)

Limit

0.5 – 0.8 (0.02 – 0.03)

mm (in)

STD

Commutator

undercut

0.2 (0.01)

mm (in)

Limit

33.0 (1.30)

mm (in)

STD

Commutator

outside diameter

32.0 (1.26)

mm (in)

Limit

0.05 (0.002)

mm (in)

STD

Commutator outside

diameter difference

0.40 (0.016)

mm (in)

Limit

Pinion to ring gear gap

3.0 – 5.0 (0.12 – 0.20)

STD

mm (in)

PTT MOTOR

9.8 (0.39)mm (in)

Brush length

5.5 (0.22)

mm (in)

22.0 (0.87)

mm (in)

Commutactor outside

diameter

21.0 (0.83)

mm (in)

STD

Limit

STD

Limit

BTDC 4° – BTDC 29°

1-14 GENERAL INFORMATION

PRIORITY FAILED ITEM CODE LAMP FLASHING PATTERN

FAIL-SAFE SYSTEM

ACTIVATING

1 MAP sensor 1 3-4 YES

2 CKP sensor 4-2 YES

3

IAC valve/By-pass air screw adjustment

3-1 NO

4 CMP sensor 2-4 YES

5 CTP switch 2-2 NO

6 Cylinder temp. sensor 1-4 YES

7 IAT sensor 2-3 YES

8 MAP sensor 2 (Sensor hose) 3-2 NO

9 Rectifier & regulator (Over-charging) 1-1 NO

10 Exhaust manifold temp. sensor 1-5 YES

11 Fuel injector (Open circuit) 4-3 NO

on

off

on

off

on

off

on

off

on

off

on

off

on

off

on

off

on

off

on

off

on

off

SELF-DIAGNOSTIC SYSTEM INDICATION

When the abnormality occurs in a signal from sensor, switch etc., the “CHECK ENGINE” lamp on the

monitor-tachometer flashes (lights intermittently) according to the each code pattern with buzzer sounding.

NOTE:

•

If more than two items fail at once, the self-diagnostic indication appears according to priority order. The

indication repeats three times.

•

On the tiller handle (TH) model, alerts is signaled by a sound from the caution buzzer contained in the

tiller handle.

GENERAL INFORMATION 1-15

5.5

40.018 mm

TIGHTENING TORQUE

Tightening Torque – Important Fasteners

ITEM

THREAD

DIAMETER

TIGHTENING TORQUE

kg-m

N

.

m

Ib-ft.

Cylinder head cover bolt 6 mm

10 1.0 7.0

Cylinder head bolt

10 mm

Crankcase bolt 8 mm

25 2.5 18.0

Conrod cap nut 8 mm

35 3.5 25.5

Camshaft pulley bolt

60 6.0 43.5

23 2.3 16.5

Oil pressure switch

13 1.3 9.5

Delivery pipe plug/union bolt 12 mm

40 4.0 29.0

Low pressure fuel pump bolt 6 mm

10 1.0 7.0

Thermostat cover bolt 6 mm

10 1.0 7.0

Flywheel bolt 16 mm

190 19.0 137.5

Starter motor mounting bolt 8 mm

23 2.3 16.5

Engine oil filter

14 1.4 10.0

Engine oil drain plug 12 mm

13 1.3 9.5

Power unit mounting bolt/nut 8 mm

23 2.3 16.5

Upper plug

Lower union

10 mm

50 5.0 36.0

8 mm

73 7.3 53.0

Intake manifold bolt/nut

12 mm

Oil pump stopper

50 5.0 36.0

23 2.3 16.5

8 mm

Exhaust manifold bolt/nut

17 1.7 12.5

7 mm

Valve adjusting lock nut

11 1.1 8.0

6 mm

Rocker arm shaft screw

70 7.0 50.5

38 mm

Timing pulley nut

Oil regulator valve

27 2.7 19.5

14 mm

Delivery pipe bolt

23 2.3 16.5

8 mm

12 mm

10 mm

50 5.0 36.0

Driveshaft housing bolt 10 mm

50 5.0 36.0

Upper mount nut 12 mm

70 7.0 50.5

Upper mount cover bolt 8 mm

23 2.3 16.5

Lower mount nut 12 mm

60 6.0 43.5

12 mm

40 4.0 29.0

Clamp bracket shaft nut 22 mm

43 4.3 31.0

Front

Rear

Water pump case bolt 8 mm

20 2.0 14.5

Gearcase bolt 10 mm

55 5.5 40.0

Propeller shaft bearing housing bolt 6 mm

10 1.0 7.0

Pinion nut

100 10.0 72.5

Propeller nut

55

12 mm

Water pressure valve cover bolt 6 mm

10 1.0 7.0

Tiller handle pivot bolt/nut

10 mm

45

4.5

32.5

1-16 GENERAL INFORMATION

THREAD

DIAMETER

TIGHTENING TORQUE

kg-mN

.

m Ib-ft

5 mm 2 – 4 0.2 – 0.4 1.5 – 3.0

6 mm 4 – 7 0.4 – 0.7 3.0 – 5.0

8 mm 10 – 16 1.0 – 1.6 7.0 – 11.5

10 mm 22 – 35 2.3 – 3.5 16.0 – 25.5

5 mm 2 – 4 0.2 – 0.4 1.5 – 3.0

6 mm 6 – 10 0.6 – 1.0 4.5 – 7.0

8 mm 15 – 20 1.5 – 2.0 11.0 – 14.5

10 mm 34 – 41 3.4 – 4.1 24.5 – 29.5

5 mm 3 – 6 0.3 – 0.6 2.0 – 4.5

6 mm 8 – 12 0.8 – 1.2 6.0 – 8.5

8 mm 18 – 28 1.8 – 2.8 13.0 – 20.0

10 mm 40 – 60 4.0 – 6.0 29.0 – 43.5

(Conventional or “4” marked bolt)

Tightening torque – general bolt

NOTE:

These values are only applicable when torque for a general bolt is not listed in the “Important Fasteners”

table.

TYPE OF BOLT

(Stainless steel bolt)

(7 marked or marked bolt)

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