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Starting The Engine - Saito FG-57T Instruction Manual

Twin-cylinder gasoline four-stroke engine.
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7. Because it is more difficult to set
the needles of a 4-stroke engine
than a 2-stroke engine by 'ear', we
highly recommend the use of an
optical tachometer (HAN156) when
attempting to set the needles of any
4-stroke engine.
8. Make sure you use a fuel filter
between the fuel tank and the
engine. Also make sure you use
filtered fuel in the fuel tank.
How to choke your Saito
Gasoline engine equipped
with the Saito/Walbro
Carburetor.
Provided with your engine is a choke
bar. This bar has a 90 degree bend on
one end and a 3.5mm thread on the
opposite end for engaging the internal
threads of the rotating barrel of the
carburetor.
You engage the internal threads of
the rotating barrel by inserting the
threaded end of the choke bar into
the hole in the center of the lever and
rotate clockwise to engage the internal
threads. Once engaged with the threads
you can begin the choke procedure:
1. Make sure the ignition module is
turned off.
2. Fully close the throttle barrel. (If it
is not fully closed it will be difficult
to draw fuel into the carburetor for
choking).
S T A R T I N G T H E E N G I N E
3. Pull the choke bar and fix it in place
with a clamping tool of some sort
against the side of your cowling so it
cannot spring back into the normal
operating position.
4. Rotate the propeller by hand in a
clockwise direction (from the front
of the airplane) until you hear a
hissing sound come from the carb-
uretor a total of 5 times. This gets
fuel into the carburetor.
5. Now quickly flip the propeller 10
times in a clockwise direction and
your choking process is complete.
This gets fuel into the cylinders of
your engine.
6. Remove the choke bar from the
carburetor, turn on the ignition and
begin flipping the propeller. Your
engine should readily start. If it
doesn't, repeat the above procedure.

Starting The Engine

The following procedures assume the
engine is properly mounted and the
tank is full of fuel.
Starting with an electric
starter motor.
1. Turn on the transmitter, and then
turn on the receiver switches.
Position the throttle stick to the fully
closed position.
2. Turn on the ignition system.
3. Open the throttle to approximately
¼ throttle.
7

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