How do you test a Harley Davidson VOES?
There is a test in the factory service manual for the VOES. It is a simple on off vacuum switch that switches at a specific vacuum. Takes a vacuum source like a MightyVac pump and then your multimeter to check voltage. Watch voltage and then apply vacuum and note the vacuum level when the voltage changes.
What are VOES?
Verification of Employment (VOE) is a process used by banks and mortgage lenders in the United States to review the employment history of a borrower, to determine the borrower’s job stability and cross-reference income history with that stated on the Uniform Residential Loan Application (Form 1003).
Why is my Harley Voes not working properly?
When powering down the road, you will want a full advance for optimum performance. If your carbureted Harley has suddenly become hard to start or sluggish while riding, it may be an indication that your Harley VOES switch is failing, stuck open or stuck closed.
When does the voes switch open on a Harley?
The Harley VOES switch remains closed until vacuum is introduced. When closed, the timing is retarded. Retarding the ignition is very important for start ups, or when the motorcycle is under a heavy load. When vacuum rises beyond a certain pressure, the switch opens and allows/”tells” the ignition to advance.
What does the voes do on a motorcycle?
The VOES is a motorcycle part described as a vacuum ignition retard device. That is, under low vacuum conditions the switch is open and has no effect on ignition timing. Under high vacuum, the switch closes and advances ignition timing.
Where does the black lead go on a Harley Voes?
The black lead will go to the black Harley VOES ground wire and the meter’s red lead will go to the wire that was plugged into the ignition’s violet wire. Secure a completely sealed vacuum line between the the Mighty Vac and the switch. Set your meter to ohms with audible. You are ready to perform the test.
What to do if your Harley Voes switch is stuck?
If your carbureted Harley has suddenly become hard to start or sluggish while riding, it may be an indication that your Harley VOES switch is failing, stuck open or stuck closed. In this video Bob walks us through the test procedure for a V.O.E.S. You will need a multimeter and a Mighty Vac. Start by isolating the switch from the motorcycle.
Why did Harley Davidson want to make the FXR?
The aim of the FXR was to combine the looks and performance of the Harley V-Twin without compromising its handling. That’s one of the reasons why this Harley is often considered the engineer’s bike. The company was working on the FLT when they realized that they needed to design a bike for the newer audience.
When to test your Voes on a Harley?
If your Harley has a VOES and has been giving you trouble starting, or been suddenly performing poorly. Take the time to test your Harley VOES. It is also a good idea to be proactive and test during a thorough service.
What does Voes stand for on a Harley Davidson?
These letters stand for Vacuum Operated Electric Switch. This Harley VOES switch has a very important function on a Harley-Davidson. It senses vacuum behind the butterfly of the carburetor and advances or retards the ignition timing accordingly. The Harley VOES switch remains closed until vacuum is introduced.