Operation
motor greatly affects the water resistance. If
the mounting height is too high, cavitation
tends to occur, thus reducing the propulsion;
come loose due to engine vibration.
EWM00640
WARNING
and if the propeller tips cut the air, the engine Loose clamp screws could allow the out-
speed will rise abnormally and cause the en- board motor to fall off or move on the
gine to overheat. If the mounting height is too transom. This could cause loss of control
low, the water resistance will increase and and serious injury. Make sure the tran-
thereby reduce engine efficiency. Mount the som screws are tightened securely. Oc-
outboard motor so that the anti-cavitation casionally check the screws for tightness
plate is in alignment with the bottom of the during operation.
boat.
ZMU02012
ZMU01762
2.
If the engine restraint cable attachment
is equipped on your engine, an engine
restraint cable or chain should be used.
Attach one end to the engine restraint
cable attachment and the other to a se-
cure mounting point on the boat. Other-
wise the engine could be completely lost
if it accidentally falls off the transom.
NOTE:
q
The optimum mounting height of the out-
board motor is affected by the boat/motor
combination and the desired use. Test
runs at different heights can help deter-
mine the optimum mounting height. Con-
sult
your
Yamaha
dealer
or
boat
manufacturer for further information on de-
termining the proper mounting height.
For instructions on setting the trim angle of
the outboard motor, see page 35.
q
EMU26970
Clamping the outboard motor
1.
Place the outboard motor on the tran-
som so that it is positioned as close to
the center as possible. Tighten the tran-
som clamp screws evenly and securely.
Occasionally check the clamp screws
for tightness during operation of the out-
board motor because they could be-
ZMU02013
3.
Secure the clamp bracket to the transom
using the bolts provided with the out-
24
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha 70 |
| Model Year | 2006 |
| Download File |
|
| Language | English |
| Product Brand | Yamaha Motor. Yamaha Motor Corporation, USA - Support Customer Relations for US: 1-800-962-7926
Yamaha Boats: 1-800-962-7926 Yamaha Outboard Customer Relations: 1-866-894-1626 , Yamaha Outboard |
| Document File Type | |
| Publisher | yamaha-motor.com |
| Wikipedia's Page | Yamaha Motor Company |
| Copyright | Attribution Non-commercial |
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