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35% Extra 300 ARF Assembly Manual
4. Drill a 1/8-inch hole in the bottom left side of the
engine box. Then increase the hole by drilling a 1/4-inch
hole. Do not use the 1/4-inch drill bit without doing a smaller
hole or the wood can be cracked.
5. Loop the vent line behind the tank then forward and
through the hole in the bottom of the motor box.
Note: Looping the vent line behind the tank will prevent
gas from siphoning through the vent line in flights and
will increase flight time.
6. Using commercially available cord clips, route the vent
through the bottom of the engine box.
7. The fill line connects to the T-fitting in the fuel line.
