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Yamaha F70 User Manual

Yamaha F70
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Trouble Recovery
98
Q. Is fuel joint connection incorrect?
A. Connect correctly.
Q. Is heat range of spark plug incorrect?
A. Inspect spark plug and replace it with rec-
ommended type.
Q. Is high pressure fuel pump drive belt bro-
ken?
A. Have serviced by a Yamaha dealer.
Q. Is engine not responding properly to shift
lever position?
A. Have serviced by a Yamaha dealer.
Engine vibrates excessively.
Q. Is propeller damaged?
A. Have propeller repaired or replaced.
Q. Is propeller shaft damaged?
A. Have serviced by a Yamaha dealer.
Q. Are weeds or other foreign matter tangled
on propeller?
A. Remove and clean propeller.
Q. Is motor mounting bolt loose?
A. Tighten bolt.
Q. Is steering pivot loose or damaged?
A. Tighten or have serviced by a Yamaha
dealer.
EMU29433
Temporary action in
emergency
EMU29441
Impact damage
WARNING
EWM00870
The outboard motor can be seriously
damaged by a collision while operating or
trailering. Damage could make the out-
board motor unsafe to operate.
If the outboard motor hits an object in the wa-
ter, follow the procedure below.
1. Stop the engine immediately.
2. Check the control system and all compo-
nents for damage. Also, check the boat
for damage.
3. Whether damage is found or not, return
to the nearest harbor slowly and careful-
ly.
4. Have a Yamaha dealer check the out-
board motor before operating it again.
EMU30683
Replacing fuse
If a fuse has blown, open the fuse holder and
remove the fuse with a fuse puller. Replace
it with a spare one of the proper amperage.
WARNING
EWM00631
Substituting an incorrect fuse or a piece
of wire could allow excessive current
flow. This could cause electric system
damage and a fire hazard.
Consult your Yamaha dealer if the new fuse
immediately blows again.
6C1-9-3B-1E0.book 98 ージ 012年11月19日 月曜日 午前10時35分

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Yamaha F70 Specifications

Engine Specifications IconEngine Specifications
engine type16-Valve, SOHC In-Line Four Cylinder
displacement996 cc
bore x stroke65 x 75 mm
compression ratio9.4:1
Power IconPower
full throttle rpm range5300 ~ 6300
horsepower rating70 hp at 5800 rpm
alternator output17 Amp
Fuel and Lubrication IconFuel and Lubrication
recommended fuelRegular Unleaded (Minimum Pump Octane 87)
ethanol blend limit10% Maximum
engine oil capacity2.1 L with filter
Weight and Dimensions IconWeight and Dimensions
weight118 kg
degree of trim-4° through +16°
degree of tilt65°

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