Yamaha E70 Owners Manual

Specifications and requirements
15
0.8–0.9 mm (0.031–0.035 in)
Control system: 
Remote control
Starting system: 
Electric starter
Starting carburetion system: 
Electronic fuel injection
Valve clearance (cold engine) IN: 
0.15–0.25 mm (0.0059–0.0098 in)
Valve clearance (cold engine) EX: 
0.25–0.35 mm (0.0098–0.0138 in)
Min. cold cranking amps (CCA/SAE): 
380.0 A
Min. marine cranking amps (MCA/ABYC): 
502.0 A
Min. reserve capacity (RC/SAE): 
124 minutes
Maximum generator output: 
F50TR 16 A
F60TR 16 A
F70A...

Specifications and requirements
16
(1.84 kgf-m, 13.3 ft-lb)
T60TR 18.0 Nm 
(1.84 kgf-m, 13.3 ft-lb)
Propeller nut: 
F50TR 35.0 Nm 
(3.57 kgf-m, 25.8 ft-lb)
F60TR 35.0 Nm 
(3.57 kgf-m, 25.8 ft-lb)
F70A 34.0 Nm 
(3.47 kgf-m, 25.1 ft-lb)
T50TR 35.0 Nm 
(3.57 kgf-m, 25.8 ft-lb)
T60TR 35.0 Nm 
(3.57 kgf-m, 25.8 ft-lb)
Engine oil drain bolt: 
F50TR 28.0 Nm 
(2.86 kgf-m, 20.7 ft-lb)
F60TR 28.0 Nm 
(2.86 kgf-m, 20.7 ft-lb)
F70A 27.0 Nm 
(2.75 kgf-m, 19.9 ft-lb)
T50TR 28.0 Nm 
(2.86 kgf-m, 20.7 ft-lb)
T60TR 28.0...

Specifications and requirements
17
about battery selection and correct wiring.EMU34194
Propeller selection
Next to selecting an outboard motor, select-
ing the right propeller is one of the most im-
portant purchasing decisions a boater can
make. The type, size, and design of your pro-
peller have a direct impact on acceleration,
top speed, fuel economy, and even engine
life. Yamaha designs and manufactures pro-
pellers for every Yamaha outboard motor
and every application.
Your outboard motor came with...

Specifications and requirements
18
EMU31445
Engine oil requirements
If the recommended engine oil grades are
not available, select an alternative from the
following chart according to the average tem-
peratures in your area.
EMU36360
Fuel requirements
EMU36781
Gasoline
Use a good quality gasoline that meets the
minimum octane rating. If knocking or ping-
ing occurs, use a different brand of gasoline
or premium unleaded fuel. Yamaha re-
comends that you use alcohol-free (see Gas-
ohol) gasoline whenever...

Specifications and requirements
19
cron minimum) between your boat’s fuel tank
and outboard motor when using ethanol.
Ethanol is known to allow moisture to be ab-
sorbed into boat fuel tanks and systems.
Moisture in the fuel can cause corrosion of
metallic fuel system components, starting
and running complaints and require addition-
al fuel system maintenance.
EMU27270
Ring Free Fuel Additive
Gasoline is a precise blend of many different
substances, each chosen to give certain
characteristics. Gasoline...

Specifications and requirements
20
rine SI engines. See the label affixed to your
engine for details.
EMU31560
Approval label of emission control certif-
icate
This label is attached to the bottom cowling.
New Technology; (4-stroke) MFI
EMU25262
Manufactured date label
This label is attached to the clamp bracket or
the swivel bracket.
EMU25273
Star labels
Your outboard motor is labeled with a Cali-
fornia Air Resources Board (CARB) star la-
bel. See below for a description of your
particular label.
1....

Specifications and requirements
21
EMU25280
One Star—Low Emission
The one-star label identifies engines that
meet the Air Resources Board’s 2001 ex-
haust emission standards. Engines meeting
these standards have 75% lower emissions
than conventional carbureted two-stroke en-
gines. These engines are equivalent to the
U.S. EPA’s 2006 standards for marine en-
gines.
EMU40340
Two Stars—Very Low Emission
The two-star label identifies engines that
meet the Air Resources Board’s Personal
Watercraft and...

22
Components
EMU2579T
Components diagram
TIP:
* May not be exactly as shown; also may not be included as standard equipment on all mod-
els (order from dealer).
F50, F60, T50, T60
2
3
4
TRIP TIME BATT
Km/h
knot
mph
km
mileSPEEDYAMAHA
set
mode
14
1
9
11
6
7
5 10
8
1215 13
1816 17
19 20
ZMU05090
1. Top cowling
2. Water separator
3. Cowling lock lever
4. Drain screw
5. Anode*
6. Anti-cavitation plate
7. Trim tab (anode)
8. Propeller*
9. Cooling water inlet
10. Anode(s)
11. Clamp bracket
12. Tilt support...

Components
23
F70A
1
3
2
4
10
95
6
7
8
10TRIP TIME BATTKm/h
knot
mph
km
mileSPEEDYAMAHA
set
mode
131415
1617
18 12
11
ZMU07113
1. Top cowling
2. Water separator
3. Cowling lock lever
4. Drain screw
5. Anti-cavitation plate
6. Trim tab (anode)
7. Propeller*
8. Cooling water inlet
9. Anode(s)
10. Tilt support lever
11. Power trim and tilt switch
12. Flushing device
13. Remote control box (side mount type)*
14. Digital tachometer*
15. Digital speedometer*
16. Tachometer*
17. Trim meter*
18. Fuel tank*...

Components
24
F70HA
1
3
2
17 18 19 20
4
1012
1613
9 10
5
6
7
8
1514
11
ZMU07120
21
1. Top cowling
2. Water separator
3. Cowling lock lever
4. Drain screw
5. Anti-cavitation plate
6. Trim tab (anode)
7. Propeller*
8. Cooling water inlet
9. Anode(s)
10. Tilt support lever
11. Power trim and tilt switch
12. Gear shift lever
13. Variable trolling RPM switch
14. Power trim and tilt switch
15. Throttle grip
16. Engine stop button/Engine shut-off switch
17. Clip
18. Main switch
19. Steering friction adjuster...