Yamaha F70 User Manual

Operation
56
turns smoothly and that it completely re-
turns to the fully closed position.
 Look for loose or damaged connections of
the throttle and shift cables.
Remote control models:
 Turn the steering wheel full-right and full-
left. Make sure operation is smooth and
unrestricted throughout the whole range
with no binding or excessive free play.
 Operate the throttle levers several times to
make sure there is no hesitation in their
travel. Operation should be smooth over
the complete range of motion, and each le-
ver should return completely to the idle po-
sition.
 Look for loose or damaged connections of
the throttle and shift cables.
EMU36483
Engine shut-off cord (lanyard)
Inspect the engine shut-off cord and clip for
damage, such as cuts, breaks, and wear.
EMU40993
Engine oil
1. Place the outboard motor in a vertical
position (not tilted). NOTICE: If the out-
board motor is not level, the oil level
indicated on the oil dipstick may not
be accurate.
[ECM01861]
2. Remove the oil dipstick and wipe it
clean.
ZMU07105
1. Cord
2. Clip
3. Engine shut-off switch
1. Cord
2. Clip
3. Engine shut-off switch
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Yamaha F70 Specifications

Engine Specifications

engine type	16-Valve, SOHC In-Line Four Cylinder
displacement	996 cc
bore x stroke	65 x 75 mm
compression ratio	9.4:1

Power

full throttle rpm range	5300 ~ 6300
horsepower rating	70 hp at 5800 rpm
alternator output	17 Amp

Fuel and Lubrication

recommended fuel	Regular Unleaded (Minimum Pump Octane 87)
ethanol blend limit	10% Maximum
engine oil capacity	2.1 L with filter

Weight and Dimensions

weight	118 kg
degree of trim	-4° through +16°
degree of tilt	65°

Summary

Safety Information

Outboard Motor Safety

Crucial safety precautions for operating the outboard motor.

Boating Safety

Specifications and Requirements

Installation Requirements

Critical requirements before installing the outboard motor.

Fuel Requirements

Components

Engine Shut-Off Cord (Lanyard) and Clip

How to properly use the engine shut-off cord for safety.

Operation

First-Time Operation

Initial steps and procedures for operating the outboard motor for the first time.

Breaking In Engine

Proper break-in procedure to ensure engine longevity and performance.

Starting Engine

Step-by-step guide for safely starting the outboard motor.

Trimming Outboard Motor

Maintenance

Transporting and Storing Outboard Motor

Trouble Recovery

Troubleshooting

Common problems and their solutions for starting and running issues.

Starter Will Not Operate