AIS Removal
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Thread: AIS Removal

  1. #1
    Senior Member scotti158's Avatar
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    AIS Removal

    Got the place to myself again today, wife is visiting a friend in the hospital, knee surgery. The only issue is that it is threatening rain, so no riding today. Out to the garage! Decided to remove the AIS from the Road Star today. An ingenious system that injects air into the exhaust to help burn off any un-burnt "stuff". Fancy talk for a smog control gadget. Anyhow, the system also promotes backfiring on decel, clutters up the engine, and I just wanted to get out the tools today. Found an article on the net on how to do this common mod. My only deviation from the directions was turning my own port plugs instead of buying them. Below is a pic of the system now laying on the garage floor. Test drive when the weather permits.

    AIS.JPG
    Dryden-Tdub and Purple like this.
    2013 Yamaha TW200

    1996 Yamaha TW200

    1995 Kawasaki KLR650

    2002 Yamaha RoadStar 1600 with sidecar

  2. #2
    Senior Member TWROG's Avatar
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    Yeah even if that contraption added horsepower to my engine I dont think Id want it on there
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    2009 TW200 "Cracker" - His fun ADV bike
    2006 TW200 "Blue" - Her fun ADV bike
    2011 XL1200X "48" - My cool bike
    1977 KZ650 - My vintage sport bike

  3. #3
    Senior Member scotti158's Avatar
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    Quote Originally Posted by TWROG View Post
    Yeah even if that contraption added horsepower to my engine I dont think Id want it on there
    I think it was a really ugly way to do what it did. Plumbing and canisters out in the open. My next mod will be re-locating the fuel pump. Another eyesore IMO.
    2013 Yamaha TW200

    1996 Yamaha TW200

    1995 Kawasaki KLR650

    2002 Yamaha RoadStar 1600 with sidecar

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