Do you have one of the digital EIS systems or an EMS unit? Does this sit on top of your engine covered with a piece of fire sleeve? Do you have a fuel pressure gauge that seems to dance around on the dial?What is this? (Is it an antenna and transmitter so Uncle Sam can keep an eye on you. Okay maybe not.)
What it really is is a fuel pressure pulsation dampener. It is about 10" out from the pressure out side of the fuel pump and it is mounted in line. It helps keep the pulsation coming out of the pump from reading on your fuel pressure gauge.
FuelPressureDampener.jpg (You do not have access to download this file.)

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell

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