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So what is the purpose of the VOES on a 85 FLHTC

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Old 11-05-2009, 09:13 AM
hdvespa hdvespa is offline
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Default So what is the purpose of the VOES on a 85 FLHTC

So what does the VOES switch control or effect? for about the past week I noticed a louder than normal sucking sound from under the tank. Thought I had a Vacuum Leak. I decided to check and saw a vacuum Hose loose, removed the tank and the hose goes from the carb to the VOES switch.
So what does that switch actually do/ control?
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Old 11-05-2009, 11:51 AM
Dr.Hess Dr.Hess is offline
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It controls which advance curve the ignition module uses. Think of it as kind of like a vacuum advance mechanism, or a lack of vacuum retard mechanism.
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Old 11-05-2009, 11:52 AM
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This should pretty much explain everything.

http://www.wildwestcycle.com/f_voes.html
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1988, 85, advance, davidson, evo, flht, flhtc, harley, hd, hose, purpose, slhtc, sportster, switch, vacuum, voes

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