What does a vapor separator tank do?

What does a vapor separator tank do?

The fuel bracket (vapor separator) has two purposes. One if supplies fuel to the fuel pump whether you are running a VRO pump or a Premix pump. Fuel goes into the white filter and fills the tank which acts like a carb and the fuel comes out the bottom and into the fuel pump.

What does a vapor separator do on a outboard?

A vapor separator in an outboard machine which can continuously inject an accurate and stable fuel toward an intake pipe without drawing bubbles discharged from a pump chamber in a high pressure fuel pump and bubbles within the vapor separator by the high pressure fuel pump.

What is a VST on a Mercury outboard?

VST stands for Vapor Separator Tank, FSM stands for Fuel Supply Module. These contain the high pressure fuel pump that builds your engines fuel pressure.

What does VST stand for Yamaha?

2. Vapor Separator Tank (VST) Filter. Attached to the electric fuel pump in the Vapor Separator Tank (VST), this filters gas again just before it’s pressurized into the fuel injection rail(s).

What is the VST on a Yamaha outboard?

Vapor Separator Tank
2. Vapor Separator Tank (VST) Filter. Attached to the electric fuel pump in the Vapor Separator Tank (VST), this filters gas again just before it’s pressurized into the fuel injection rail(s).

How do you clean a VST filter?

You have to remove the fuel lines, that’s the only way to get the VST tank off of the motor. Once you get into it, it’s pretty simple. Remove the VST tank from the motor, then remove the screws along the top. Switch out the filter, new O ring, and put it back together.

What is a VST filter Yamaha?

Vapor Separator Tank (VST) Filter This filter is attached to the electric fuel pump in the VST and filters gas again just before it’s pressurized into the fuel injection rail(s). The VST is a prime spot in the fuel system where deposits and gum can form, particularly if fuel is untreated.