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IMPORTANT
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When the stopper assembly is installed in the fuel tank, the top of the vent tube (the tube you just bent) should
rest just below the top of the fuel tank.
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Secure one end of the silicone fuel tubing onto the end of the fuel pick-up "clunk."
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Slide the silicone fuel tubing, with the fuel pick-up attached, onto the
end of the aluminum fuel pick-up tube (straight tube). While holding the
aluminum tube in place, adjust the length of the silicone tubing until the
end of the fuel pick-up is 2-3/4" back from the rear of the stopper
assembly.
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Carefully bend the longer of the two aluminum tubes up at a shallow
angle, being careful not to kink the tubing as you bend it. Make the
shallow bend near the back of the stopper and cut off the excess tubing,
so that the vent opening will be nearer the middle of the fuel tank and
not in the back of the fuel tank.
STEP 2: INSTALLING THE STOPPER ASSEMBLY
If you have trouble seeing the vent tube, hold the fuel tank assembly up to a bright light. This will illuminate the
inside of the fuel tank, making it easy to see the tubing inside.
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When satisfied with the alignment, tighten the machine screw until the rubber stopper expands and seals the fuel tank opening.
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IMPORTANT
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Don't overtighten the machine screw or you might strip the threads in the small metal plate or split the front of
the fuel tank.
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With the rubber stopper assembly installed, double-check to make sure that the fuel pick-up can move freely inside the fuel tank.
Ideally, the fuel pick-up should be about 1/4" in front of the back of the fuel tank. This will ensure that the fuel pick-up can't get stuck
in the back of the fuel tank during flight.
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Push the metal neck-reinforcement ring over the neck of the molded
fuel tank opening, then carefully push the stopper assembly into the
molded hole in the front of the fuel tank and rotate the stopper assembly
until the aluminum vent tube rests just below the top of the fuel tank.
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IMPORTANT
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The top of the fuel tank has the molded "85cc"
lettering on it. Make sure that the vent tube is orientated toward the
top of the fuel tank.
PRO TIP
Continued On Next Page
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Push the M3 x 20mm machine screw through the front of the stopper assembly and partially thread it into the small diameter
metal backplate. Don't tighten the machine screw yet or you won't be able to install the stopper assembly into the fuel tank.
