V.O.E.S. System Questions
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
OK, I wrenched all day on the beast. The carbon canister was hooked up to nothing and i gone now from under the seat. I'm in the process of redoing the venting systems so that it doesnt drip oil on the ground in front of the rear tire anymore. I dont believe that the ignition is stock anymore, there is no module on the side of the steering neck, but I could be wrong. I didnt know what the VOES did and am cleaning up all the systems on the bike and wanted some opinions.
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
I have owned my 1990 FLHS from new and changed the stock ignition module for a Crane, to get better advance curves, but kept the VOES. I later stroked the same motor, changed carb, but kept the same ignition module plus VOES. Later on I changed to a third carb, still used the VOES!
Then one day, far from home, the bike started playing up, big time. It was fine while riding at a decent speed, but a bitch at slow speeds and pulling away. Proved to be a split in the VOES tube. Ran sweet as a nut after replacing it!
Then one day, far from home, the bike started playing up, big time. It was fine while riding at a decent speed, but a bitch at slow speeds and pulling away. Proved to be a split in the VOES tube. Ran sweet as a nut after replacing it!
Thread Starter
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Grand HDF Member
Joined: Jan 2006
Posts: 4,204
Likes: 1,192
From: Anywhere we stop
89 FLHS.....and theres no module anywhere, that I can fnd.
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
On my 1990 FLHS it's a large black thing about the size of a cigarette packet, strapped to the fork leg, out of sight behind the beautiful headlight fairing/nacelle/binnacle thing. Turn the forks to full lock and you should be able to see it (mine's on the right leg). If there is nothing there someone has changed to a different module. If you find it you'll wonder how you missed it!
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
Club Member
Joined: Apr 2011
Posts: 5,800
Likes: 7,828
From: SE Louisiana
You may have a internal nose cone ignition.
Follow the wire from the V.O.E.S., should lead you to the ignition module.
Follow the wire from the V.O.E.S., should lead you to the ignition module.
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Stellar HDF Member
Joined: May 2009
Posts: 2,856
Likes: 127
From: Middle of Kansas
If you just disconnect the VOES it will keep the timing retarded, unless you ground the wire that goes to the ign. module. But if you ground that wire, it will be in the advanced mode all the time, which is not good either. You can tell if it is working by pulling the vacuum line off at the carb when it is idling. If it drops rpm it is working. I have a switch wired in between the VOES and the module just for fun, so that at idle I can switch it off and drop my idle down to get a really nice potato potato out of it. I don't know what Sportster you ignition would be off of, but even my old 84 Iron Head Sporty had a VOES on it.
Having said all of that, I believe there are a few aftermarket ignitions that do not use a VOES.
Having said all of that, I believe there are a few aftermarket ignitions that do not use a VOES.
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Grand HDF Member
Joined: Jan 2006
Posts: 4,204
Likes: 1,192
From: Anywhere we stop
Nope....no module on the plate on the neck, will open the nose cone and see whats in there.