Ultimate Air Trap
The BVM U.A.T. has been exceptionally successful product for several years. Imitations have come and gone in this market but the BVM product is the "standard" for quality and reliability.
If your model has been resting for the winter or any extended period, check that the plastic cap on the U.A.T. bottle is "hand tight". Check also that the blue fitting on the outgoing fuel line is snug. Check this with a small pair of pliers.
For your convenience, we've published the U.A.T. instructions here. They may serve as a timely refresher course in this vital component.
Click Here For U.A.T. Instructions