Yamaha 8, Owner'S Manual

Page: 36 / 66

31
Maintenance
EMU31480
Specifications
NOTE:
“(AL)” stated in the specification data below
represents the numerical value for the alumi-
num propeller installed.
Likewise, “(SUS)” represents the value for
stainless steel propeller installed and “(PL)”
for plastic propeller installed.
EMU28218
Dimension:
Overall length:
802 mm (31.6 in)
Overall width:
343 mm (13.5 in)
Overall height S:
977 mm (38.5 in)
Transom height S:
436 mm (17.2 in)
Weight (AL) S:
27.0 kg (60 lb)
Performance:
Full throttle operating range:
4500–5500 r/min
Maximum output:
5.9 kW@5000 r/min (8 HP@5000 r/
min)
Idling speed (in neutral):
900
±
50 r/min
Engine:
Type:
2-stroke L
Displacement:
165.0 cm
3
(10.07 cu.in)
Bore
×
stroke:
50.0
×
42.0 mm (1.97
×
1.65 in)
Ignition system:
CDI
Spark plug with resistor (NGK):
BR7HS-10
Spark plug gap:
0.9–1.0 mm (0.035–0.039 in)
Control system:
Tiller
Starting system:
Manual
Starting carburetion system:
Choke valve
Alternator output:
80 W
Drive unit:
Gear positions:
Forward-neutral-reverse
Gear ratio:
2.08 (27/13)
Trim and tilt system:
Manual tilt
Propeller mark:
N
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Min. pump octane:
86
Fuel tank capacity:
12 L (3.17 US gal) (2.64 Imp.gal)
Recommended engine oil:
YAMALUBE 2-stroke outboard motor
oil
Lubrication:
Pre-mixed fuel and oil
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
160.0 cm
3
(5.41 US oz) (5.64 Imp.oz)
Tightening torque for engine:
Spark plug:
25.0 Nm (18.4 ft-lb) (2.55 kgf-m)
Propeller nut:
17.0 Nm (12.5 ft-lb) (1.73 kgf-m)