Yamaha 2C - Specifications and Requirements; Specifications; Installation Requirements; Boat Horsepower Rating

Specifications and requirements
8
EMU31480
Specifications
T
IP:
“(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.
EMU2821E
Dimension:
Overall length:
603 mm (23.7 in)
Overall width:
240 mm (9.4 in)
Overall height S:
916 mm (36.1 in)
Transom height S:
417 mm (16.4 in)
Weight (PL) S:
9.8 kg (22 lb)
Performance:
Full throttle operating range:
4000–5000 r/min
Maximum output:
1.5 kW@4500 r/min (2 HP@4500 r/min)
Idling speed:
1150 ±50 r/min
Engine:
Type:
2-stroke S
Displacement:
50.0 cm³
Bore × stroke:
42.0 × 36.0 mm (1.65 × 1.42 in)
Ignition system:
CDI
Spark plug (NGK):
BR7HS
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Control system:
Tiller
Starting system:
Manual
Starting carburetion system:
Choke valve
Drive unit:
Gear positions:
Forward
Gear ratio:
2.08 (27/13)
Trim and tilt system:
Manual tilt
Propeller mark:
A
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Fuel tank capacity (built in type):
1.2 L (0.32 US gal, 0.26 Imp.gal)
Recommended engine oil:
YAMALUBE 2-stroke outboard motor oil
Fuel:oil ratio:
Regular gasoline:
100 :1
Lubrication:
Pre-mixed fuel and oil
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
0.045 L (0.048 US qt, 0.040 Imp.qt)
Tightening torque for engine:
Spark plug:
25.0 Nm (2.55 kgf-m, 18.4 ft-lb)
EMU33554
Installation requirements
EMU33563
Boat horsepower rating
WARNING
EWM01560
Overpowering a boat can cause severe in-
stability.
U6A12RE0.book Page 8 Friday, February 27, 2009 10:26 AM