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Outboard Motor
70
Yamaha 70 User Manual
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General information
10
EMU33520
Read manuals and labels
Before operating or working on this motor:
●
Read this manual.
●
Read any manuals supplied with the boat.
●
Read all labels on the outboard motor and the boat.
If you need any additional information, contact your Yamaha dealer.
EMU33831
Warning labels
If these labels are damaged or missing, contact your Yamaha dealer for replacements.
3
2
1
ZMU06181
15
17
Table of Contents
Important Manual Information
3
Table of Contents
4
Safety Information
7
Outboard Motor Safety
7
Propeller
7
Rotating Parts
7
Hot Parts
7
Electric Shock
7
Power Trim and Tilt
7
Engine Shut-Off Cord (Lanyard)
7
Gasoline
7
Gasoline Exposure and Spills
8
Carbon Monoxide
8
Modifications
8
Boating Safety
8
Alcohol and Drugs
8
Personal Flotation Devices
8
People in the Water
8
Passengers
8
Overloading
8
Avoid Collisions
9
Weather
9
Accident Reporting
9
Boat Education and Training
9
Passenger Training
10
Boating Safety Publications
10
Laws and Regulations
10
Boating Organizations
10
Basic Boating Rules (Rules of the Road)
10
Steering and Sailing Rules and Sound Signals
11
Rules When Encountering Vessels
11
Other Special Situations
12
General Information
15
Identification Numbers Record
15
Outboard Motor Serial Number
15
Key Number
15
Read Manuals and Labels
16
Warning Labels
16
Specifications and Requirements
19
Specifications
19
Installation Requirements
20
Boat Horsepower Rating
20
Mounting Motor
20
Remote Control Requirements
20
Battery Requirements
20
Specifications of Battery
20
Mounting Battery
20
Multiple Batteries
21
Propeller Selection
21
Start-In-Gear Protection
21
Engine Oil Requirements
21
Fuel Requirements
21
Gasoline
21
Ring Free Fuel Additive
22
Muddy or Acidic Water
22
Anti-Fouling Paint
22
Motor Disposal Requirements
23
Emergency Equipment
23
Emission Control Information
23
North American Models
23
Components
25
Components Diagram
25
Fuel Tank
25
Fuel Joint
26
Fuel Gauge
26
Fuel Tank Cap
26
Air Vent Screw
26
Remote Control Box
26
Remote Control Lever
26
Neutral Interlock Trigger
27
Neutral Throttle Lever
27
Tiller Handle
27
Gear Shift Lever
27
Throttle Grip
28
Throttle Indicator
28
Throttle Friction Adjuster
28
Engine Shut-Off Cord (Lanyard) and Clip
29
Engine Stop Button
29
Main Switch
30
Steering Friction Adjuster
30
Power Trim and Tilt Switch on Remote Control or Tiller Handle
30
Power Trim and Tilt Switch on Bottom Engine Cowling
31
Trim Tab with Anode
31
Trim Rod (Tilt Pin)
32
Tilt Support Lever for Power Trim and Tilt Model
32
Top Cowling Lock Lever(S)
32
Type)
32
Instruments and Indicators
34
Digital Tachometer
34
Tachometer
34
Trim Meter
34
Hour Meter
34
Oil Level Indicator (Digital Type)
35
Overheat-Alert Indicator
35
Analog Tachometer
35
Oil Level Indicators (Three Indicators)
35
Analog Trim Meter
36
Engine Control System
37
Alert System
37
Overheat Alert
37
Oil Level Alert and Oil Filter Clogging Alert
37
Installation
39
Mounting the Outboard Motor
39
Operation
41
First-Time Operation
41
Breaking in Engine
41
Getting to Know Your Boat
41
Checks before Starting Engine
41
Fuel Level
42
Remove Cowling
42
Fuel System
42
Controls
43
Engine Shut-Off Cord (Lanyard)
43
Oil
43
Engine
43
Operation after a Long Period of Storage
43
Install Cowling
44
Checking Power Trim and Tilt System
45
Battery
45
Filling Fuel and Engine Oil
46
Filling Fuel for Portable Tank
46
Filling Oil for Electric Start Models
46
Oil Level Indicator Operation
48
Operating Engine
48
Feeding Fuel (Portable Tank)
48
Starting Engine
49
Checks after Starting Engine
52
Cooling Water
52
Warming up Engine
52
Electric Start and Prime Start Models
52
Checks after Engine Warm-Up
52
Shifting
52
Stop Switches
52
Shifting
53
Stopping Boat
54
Stopping Engine
54
Procedure
54
Trimming Outboard Motor
55
Adjusting Trim Angle (Power Trim and Tilt)
56
Adjusting Boat Trim
57
Tilting up and down
57
Procedure for Tilting up (Power Trim and Tilt Models)
58
Procedure for Tilting down (Power Trim and Tilt Models)
59
Shallow Water
60
Power Trim and Tilt Models
60
Cruising in Other Conditions
61
Maintenance
62
Transporting and Storing Outboard Motor
62
Storing Outboard Motor
62
Procedure
62
Lubrication (Oil Injection Models)
63
Cleaning and Anticorrosion Measures
64
Cleaning the Outboard Motor
64
Checking Painted Surface of Motor
64
Periodic Maintenance
64
Replacement Parts
65
Severe Operating Conditions
65
Maintenance Chart 1
66
Maintenance Chart 2
68
Greasing
69
Cleaning and Adjusting Spark Plug
69
Checking Fuel Filter
70
Inspecting Idling Speed
70
Checking Water in Engine Oil Tank
71
Checking Wiring and Connectors
71
Checking Propeller
71
Removing Propeller
72
Installing Propeller
72
Changing Gear Oil
73
Cleaning Fuel Tank
74
Inspecting and Replacing Anode(S)
75
Checking Battery (for Electric Start Models)
75
Connecting the Battery
76
Disconnecting the Battery
76
Trouble Recovery
77
Troubleshooting
77
Temporary Action in Emergency
80
Impact Damage
80
Replacing Fuse
80
Power Trim and Tilt will Not Operate
81
Starter will Not Operate
81
Emergency Starting Engine
82
Engine Fails to Operate
83
Ignition System Malfunction
83
Cold Engine Fails to Start
83
Treatment of Submerged Motor
85
Consumer Information
86
Important Warranty Information for U.S.A. and Canada
86
Yamaha Motor Corporation, U.s.a. Outboard Motor Two Year Limited Warranty
88
Important Warranty Information if You Use Your Yamaha Outside the Usa or Canada
91
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Yamaha 70 Specifications
General
Brand
Yamaha
Model
70
Category
Outboard Motor
Language
English
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