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Thread: REmoving AIS

  1. #1
    Newbie
    My Bike(s)
    2002 Yamaha V-Star 1100 Classic
    Location
    Ironton, OH
    Posts
    4

    REmoving AIS

    I was reading some other threads on removing the AIS and how that may eliminate popping. I have a 2002 V-Star 1100 Classic with Cobra pipes, and baffles removed. I notice during deceleration ther is sometimes a lot of poppig coming from the pipes. Just wondering if removal of the AIS would help this and how involved is it to do so. The bike runs great, no other issues that I know of other than very loud pipes. I'm new to the forum and any advise would be appreciated.

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  3. #2
    M-J Master Poster
    My Bike(s)
    M50
    Location
    1060 West Addison, Chicago
    Posts
    3,790
    My buddies V-Star 1100 does the same thing with his hard Kromes.

    Has the bike been jetted yet?

    BTW Thanks for posting
    Gone to Mexico brb

  4. #3
    Newbie
    My Bike(s)
    2002 Yamaha V-Star 1100 Classic
    Location
    Ironton, OH
    Posts
    4
    Yes, the previous owner told me it was jetted when the cobra pipes were installed.

  5. #4
    Where Am I ?
    Posts
    30
    you can either disable the AIS or remove it. it takes about 2 minutes to disable it. the directions on how to disable it are at the very bottom. it is on the left side of the bike. you will need to remove the side panel with your key to get to it. StarCruiser©: The Official Newsletter Of the International Star Riders Association

  6. #5
    Newbie
    My Bike(s)
    2002 Yamaha V-Star 1100 Classic
    Location
    Ironton, OH
    Posts
    4
    Thanks for the link, I think I will disable it first to see if that helps.

  7. #6
    In Training
    My Bike(s)
    2003 Yamaha 1100 Silverado
    Location
    Pittsburgh, PA area
    Posts
    146

    Popping

    I don't understand what the problem is? I have Cobra pipes too & I kind of like that popping sound slowing down or coming down a hill & letting the engine do some breaking for me.

  8. #7
    In Training
    My Bike(s)
    2003 Yamaha 1100 Silverado
    Location
    Pittsburgh, PA area
    Posts
    146

    Red face popping sound

    I was typing too fast for my fingers. Should be braking - not - breaking. Doesn't matter too much - I can't spell worth a hoot anyhow.

  9. #8
    Seat Tester
    My Bike(s)
    V-Star 1300 Galaxy Blue
    Location
    WY
    Posts
    92
    the popping sound you're hearing is the result of unburned fuel traveling down the exhaust pipes and mixing with the air from the AIS(the AIS is the bike's way of passing emissions). Once the mixture reaches it's Upper Explosive Limit(firefighter speak for lean enough to iginte) it ignites from the heat of the exhaust. A re-jet is nessesary or, disable the AIS. There is a kit available and I think it costs around $80 or I think there is a way to do it on your own with clamps and tape.
    Is it possiable to have a mid-life crisis at 28?

  10. #9
    Where Am I ?
    My Bike(s)
    vstar 1100
    Location
    cambridge on
    Posts
    26
    did the lazy mans way and the poping is now 99% gone and it only took 5 MINs

  11. #10
    Where Am I ?
    My Bike(s)
    vstar 1100
    Location
    cambridge on
    Posts
    26
    is their any harm such as your carbs running too lean etc that could hurt the motor by disabling the ais as i said earlier i did the lazy mans way no popping sound from my cobra slip on"s . i herd that the engine runs lean without the ais system

  12. #11
    Puddle Runner
    My Bike(s)
    '01 Yamaha V-Star 1100
    Location
    Longmont Colorado
    Posts
    399
    The AIS system adds fresh air into the exhaust to reduce emissions. Since it is in the exhaust, and does not affect flow, there is minimal effect on fuel mixture.


 

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