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TOPIC: Another AIS question
#48738
VinceJE (User)
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Another AIS question 4 Years, 6 Months ago  
Got an 07 Midnight Star 1700 that I want to try the AIS bypass on to see the affect. I've searched the forums and haven't found what should be done with the larger hose that comes out & up from the front of the AIS pump. It's not the vacum line or one of the main lines.

Can someone point me to a thread that covers this or let me know if/what should be done with this 4th hose?

THANKS!!!
 
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#48743
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Re:Another AIS question 4 Years, 6 Months ago  
To disable the AIS pull the vacuum hose off, either at the AIS side or the maniflod side. Plug the AIS vacuum line with a golf tee and if you have pulled it off the manifold, put a rubber cap on the manifold nipple....Coug
 
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#48745
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Re:Another AIS question 4 Years, 6 Months ago  
Do you have a california model???
is it the charcoal canister to rollover hose item #5

http://roadstarclinic.com/content/view/48/105/

if so I think you would do nothing with it???
 
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Last Edit: 2007/11/01 04:02 By Pop Rivet.
 
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#48754
VinceJE (User)
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Re:Another AIS question 4 Years, 6 Months ago  
Geez... I don't know if it's a CA model or not.

Looks like the #5 hose in your diagram is in the right general location, mine doesn't run up that far. It's only about 3 or 4 inches that goes from the pump (where all the other hoses connect) up to another contraption just above the pump.

THANKS!!
 
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2007 Midnight Star Silverado
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Spring, TX
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#48756
Pop Rivet (User)
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Re:Another AIS question 4 Years, 6 Months ago  
firstly there is no actual "pump"

air is "sucked" in to and by the exhaust manifolds... not pumped in

and AIS stands for Air Induction System according to Yamaha

http://www.yamaha-motor.ca/technology/technology.php?group=M&tech=AIS

who makes up these definitions???

if it is the hose goin from the valve to the hose connection assembly
which is about 3 in long ..nothing is done...
 
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Last Edit: 2007/11/01 14:21 By Pop Rivet.
 
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#48758
Pop Rivet (User)
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Re:Another AIS question 4 Years, 6 Months ago  
Cougar wrote:
To disable the AIS pull the vacuum hose off, either at the AIS side or the maniflod side. Plug the AIS vacuum line with a golf tee and if you have pulled it off the manifold, put a rubber cap on the manifold nipple....Coug

Since the vacuum hose is connected to a vacuum shut off switch I am assuming when the vacuum is on... the switch is open and upon decel the switch closes ????when vacuum is off

So plugging and unhooking the vacuum line closes the vacuum switch... cutting off the air supply to the AIS manifold lines...
 
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Last Edit: 2007/11/01 08:24 By Pop Rivet.
 
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#48806
smhowse (Moderator)
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Re:Another AIS question 4 Years, 6 Months ago  
Just rip it all off and plug the cylinders you won't regret it
Steven
 
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#48870
charliez (User)
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Re:Another AIS question 4 Years, 6 Months ago  
Taking it off was the single best thing I have done to get better performance.Runs better ,cooler.Not to mention the sound with the baffels out .Just keep it all together.Looks much better also.-----later
 
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#48913
smhowse (Moderator)
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Re:Another AIS question 4 Years, 6 Months ago  
charliez wrote:
Just keep it all together.Looks much better also.-----later

Take it off or keep it together??
 
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#48916
Musky (User)
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Re:Another AIS question 4 Years, 6 Months ago  
smhowse wrote:
Take it off or keep it together??

Yes
 
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