Yamaha F70 User Manual

Operation
66
EMU27670
Warming up engine
EMU27716
Manual start and electric start
models
1. After starting the engine, allow it to idle
for 3 minutes to warm up. Failure to do
so will shorten engine life.
2. Be sure the low oil pressure-alert indica-
tor goes off after starting the engine.
NOTICE: If the low oil pressure-alert
indicator blinks after the engine
starts, stop the engine. Otherwise,
serious engine damage could occur.
Check the oil level and add engine oil
if necessary. Consult your Yamaha
dealer if the cause for the low oil
pressure alert cannot be found.
[ECM01831]
EMU36531
Checks after engine warm up
EMU36541
Shifting
While the boat is tightly moored, and without
applying throttle, confirm that the engine
shifts smoothly into forward and reverse, and
back to neutral.
EMU36980
Stop switches
 Turn the main switch to “ ”, or press the
engine stop button and make sure the en-
gine stops.
 Confirm that removing the clip from the en-
gine shut-off switch stops the engine.
 Confirm that the engine cannot be started
with the clip removed from the engine
shut-off switch.
EMU33492
Shifting
WARNING
EWM00180
Before shifting, make sure there are no
swimmers or obstacles in the water near
you.
NOTICE
ECM01610
Warm up the engine before shifting into
gear. Until the engine is warm, the idle
speed may be higher than normal. High
idle speed can prevent you from shifting
back to neutral. If this occurs, stop the
engine, shift to neutral, then restart the
engine and allow it to warm up.
To shift out of neutral
1. Pull the neutral interlock trigger up (if
equipped).
2. Move the remote control lever / gear
shift lever firmly and crisply forward (for
forward gear) or backward (for reverse
ZMU07918
1. Neutral interlock trigger
6C1-9-3B-1E0.book 66 ページ ２０１２年１１月１９日 月曜日 午前１０時３５分

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°