Yamaha 4AC User Manual

Components
16
EMU25821
Fuel tank
If your model included a fuel tank, its parts
and functions are as follows.
EMU25830
Fuel joint
This joint is used to connect the fuel line.
EMU25841
Fuel gauge
This gauge is located on either the fuel tank
cap or on the fuel joint base. It shows the ap-
proximate amount of fuel remaining in the
tank.
EMU25850
Fuel tank cap
This cap seals the fuel tank. When removed,
the tank can be filled with fuel. To remove the
cap, turn it counterclockwise.
EMU25860
Air vent screw
This screw is on the fuel tank cap. To loosen
the screw, turn it counterclockwise.
EMU25872
Fuel cock
The fuel cock turns on and off the supply of
fuel from the fuel tank to the engine.
EMU25881
Close
To stop fuel flow to the engine, turn the lever
or knob to close position.
Always turn the lever or knob to close position
when the engine is not running.
1. Air vent screw
2. Fuel gauge
3. Fuel joint
4. Fuel tank cap
1. Air vent screw
2. Fuel tank cap
ZMU01992
3
2
4
1
1. Fuel cock
1. Fuel cock
U6E028E0.book Page 16 Tuesday, February 10, 2009 3:19 PM

Yamaha 4AC Specifications

General

Fuel Induction System	Carburetor
Starting System	Manual
Gear Ratio	2.08:1
Engine Type	2-stroke
Prop Shaft Horsepower / Max. Output / Max Power	4 hp
Full Throttle RPM Range	4, 500 - 5, 500 rpm
Ignition System	CDI
Lubrication System	Premix
Gear Shift	F-N
Shaft Length	S