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AIS Removal Instructions (99-03) |
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Written by NoPork.com
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Thursday, 10 June 2004 |
Preparation for AIS
- Place the plugs in the Freezer overnight, this will shrink the material for an easier install.
- Optional parts removal. Gas tank, left side cover, also you may want to MOVE (It is not necessary to unplug rectifier/regulator from wire harness) the ignition rectifier for easier access to the smog equipment (zip tie the unbolted rectifier out of the way)
- You'll be removing all these smog parts, including elbows and hoses off the bike. 1. Leave the vacuum tube intact, and insert a golf tee into the open end. -OR- 2. Remove the vacuum tube from the manifold vacuum tap, and use some sort of rubber cap to plug the tap. more on this later

Removing the elbows.
Locate the elbow fittings that have hoses connected to them. Disconnect the hoses from the elbows and let them hang until you get the elbows out. (excluding the one from the manifold that will be plugged with a golf tee )
If possible, spray the elbows with Freon. If not possible, grab with vise grips or automotive dent puller and slowly work back and forth until they come out. some people have recommended using screwdriver or wooden dowel along with a hammer to pound the elbow out from the right side of the bike. Personally, I used a 3 foot long, 1" diameter wooden dowel to get the elbows moving... I then used some vise grips to twist them around and finally yank them out... they weren't budging though before I whacked them from the right side of the bike.

Removing the Hoses and Smog Canister.
Finish removing the hoses including the black canister that the other end of the hoses are connected to.
- To install the plugs:
- Cut a one foot long piece of a 1 inch diameter wooden dowel.
- Remove the plugs out of the freezer.
- Push the small end of the plug into the front hole and the back hole with your hand.
- Rest the end of the cut wooden dowel on the plug and hammer the wood until the plug is flush with the cylinder. (easy taps until all the way in)

- Temporarily remove the regulator for easier access to the AIS System.
- Remove the rest of the plumbing and AIS system.
- After all of the smog equipment has been removed, notice there is a tube (vacuum line) that was attached to the black canister. YOU MUST PLUG THAT TUBE WITH A SCREW or GOLF TEE (or your motor will not run properly). Either will work perfect
- Tuck the vacuum line under the gas tank.
- Congratulations! You are finished! Don't forget to reinstall the rectifier if you moved it out of the way.
Mail comments suggestions and or pictures to Nopork.com Staff
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DISCLAIMER:
This information and procedure is provided
as a courtesy and is for informational purposes only.
Neither the publishers nor the authors
accept any responsibility for the accuracy, applicability, or
suitability of this procedure. You assume all risks associated
with the use of this information. NEITHER THE PUBLISHERs NOR THE AUTHORs
SHALL IN ANY EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, PUNITIVE, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OF ANY NATURE ARISING OUT OF OR IN ANY WAY
CONNECTED WITH THE USE OR MISUSE OF THIS INFORMATION OR LACK OF INFORMATION.
Any type of modification or service work on your motorcycle should
always
be performed by a
professional mechanic.
If performed incorrectly,
this procedure may
endanger the safety of you and others
on your motorcycle and possibly
invalidate your manufacturer’s warranty.
Quote this article on your site | Views: 19945
Successful AIS removal... Written by kdlaz1, on 06-30-2008 12:49 Just did the remocal on my '02n Roadie, and it went easy as can be. Had to use a sawed-off broom handle to tap the elboys out from the right side, but no worries. I used a couple spent .45 ACP casings to plug the holes, and was completely please at how well they fit (and look pretty cool, too). I was able tog et rid of the "downshift/backpressure chirp" that I had up to now, and it looks cleaner too. Thanks to all for your advice and insight, Kimball |
AIS Removal Written by fastjohnny, on 09-10-2007 19:16 At 200 rpm & under my 2005 Road Star Siloverado seems to "miss" - at least that's what it sounds like & feels like. Above that rpm I have no problem. Could the AIS be causing this? |
chirping Written by narmandt, on 04-21-2007 14:12 I just bought a 2003 Road Star. Previous owner had taken out the AIS system. Plugs are put in. Now there is an annoying chirp every time I decelerate. Sounds like it is coming from the front. I'm thinking that the front plug is leaking. Any thoughts? How would I get the plug out? |
Written by klowry, on 02-14-2007 13:22 I am a new owner of an 06 Silverado, this may sound like a dumb question but why does everyone remove the AIS system |
AIS Removal - Quick Question Written by tamaule, on 06-03-2005 12:41 As a quick test of the removal would it hurt anything to simply remove the vacuum at the AIS end and plug it. If I like the results I can then purchase the Barons kit and remove it. Tom Maule |
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