Yamaha F8C Owner's Manual page 17

Valve clearance IN (cold engine):
0.15–0.20 mm (0.0059–0.0079 in)
Valve clearance EX (cold engine):
0.20–0.25 mm (0.0079–0.0098 in)
Cold cranking amps (CCA/EN):
FT8DE 347–411 A
FT8DEP 347–411 A
Min. rated capacity (20HR/IEC):
FT8DE 40 Ah
FT8DEP 40 Ah
Maximum generator output:
6 A
Lower unit:
Gear shift positions:
Forward-neutral-reverse
Gear ratio:
F8CMH 2.08(27/13)
FT8DE 2.92(38/13)
FT8DEP 2.92(38/13)
FT8DMH 2.92(38/13)
Trim and tilt system:
F8CMH Manual tilt
FT8DE Manual tilt
FT8DEP Power tilt
FT8DMH Manual tilt
Propeller mark:
F8CMH N
FT8DE R
FT8DEP R
FT8DMH R
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Min. research octane number (RON):
90
Fuel tank capacity:
12 L (3.17 US gal, 2.64 Imp.gal)
Recommended engine oil:
YAMALUBE 4 or 4-stroke outboard
motor oil
Specifications and requirements
Tightening torque:
Noise and vibration level:
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Engine oil quantity:
0.8 L (0.85 US qt, 0.70 Imp.qt)
Lubrication system:
Wet sump
Recommended gear oil:
YAMALUBE outboard gear oil or Hypoid
gear oil
Recommended gear oil grade:
SAE 90 API GL-4
Gear oil quantity:
F8CMH 0.150 L (0.159 US qt,
0.132 Imp.qt)
FT8DE 0.370 L (0.391 US qt,
0.326 Imp.qt)
FT8DEP 0.370 L (0.391 US qt,
0.326 Imp.qt)
FT8DMH 0.370 L (0.391 US qt,
0.326 Imp.qt)
Spark plug:
24 Nm (2.45 kgf-m, 17.7 ft-lb)
Propeller nut:
F8CMH 17 Nm (1.73 kgf-m, 12.5 ft-lb)
FT8DE 21 Nm (2.14 kgf-m, 15.5 ft-lb)
FT8DEP 21 Nm (2.14 kgf-m, 15.5 ft-lb)
FT8DMH 21 Nm (2.14 kgf-m, 15.5 ft-lb)
Engine oil drain bolt:
24 Nm (2.45 kgf-m, 17.7 ft-lb)
Operator sound pressure level (ICOMIA
39/94):
77.0 dB(A)
Vibration on tiller handle (ICOMIA 38/94):
Vibration on tiller handle is under 2.5
m/s²
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