Installation Requirements; Boat Horsepower Rating - Yamaha 40V Owner's Manual

Specifications and requirements
40VETO Electric starter
40VWHTO Manual starter and Elec-
tric starter
50HETO Electric starter
50HMHO Manual starter
50HWHTO Manual starter and Elec-
tric starter
Starting carburetion system:
40VETO Prime start
40VWHTO Prime start
50HETO Prime start
50HMHO Choke valve
50HWHTO Prime start
Min. cold cranking amps (CCA/EN):
40VETO 347.0 A
40VWHTO 347.0 A
50HETO 347.0 A
50HWHTO 347.0 A
Min. rated capacity (20HR/IEC):
40VETO 40.0 Ah
40VWHTO 40.0 Ah
50HETO 40.0 Ah
50HWHTO 40.0 Ah
Alternator output:
50HMHO 80 W
Maximum generator output:
40VETO 6 A
40VWHTO 6 A
50HETO 6 A
50HWHTO 6 A
Drive unit:
Gear positions:
Forward-neutral-reverse
Gear ratio:
1.85 (24/13)
Trim and tilt system:
40VETO Power trim and tilt
40VWHTO Power trim and tilt
50HETO Power trim and tilt
50HMHO Manual tilt
50HWHTO Power trim and tilt
10
Propeller mark:
G
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Fuel tank capacity:
24 L (6.34 US gal, 5.28 Imp.gal)
Recommended engine oil:
YAMALUBE 2-stroke outboard motor
oil
Recommended engine oil:
TC-W3
Lubrication:
Oil injection
Engine oil tank capacity:
1.5 L (1.59 US qt, 1.32 Imp.qt)
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
0.430 L (0.455 US qt, 0.378 Imp.qt)
Tightening torque for engine:
Spark plug:
25.0 Nm (2.55 kgf-m, 18.4 ft-lb)
Propeller nut:
35.0 Nm (3.57 kgf-m, 25.8 ft-lb)
EMU33554

Installation requirements

EMU33564

Boat horsepower rating

EWM01560
WARNING
Overpowering a boat can cause severe
instability.
Before installing the outboard motor(s), con-
firm that the total horsepower of your out-
board motor(s) does not exceed the boats
maximum horsepower rating. See the boat's
capacity plate or contact the manufacturer.