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  1. #1
    Skylardog123 (OP)
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    CO tuning help please

    Hey , so new fz6 owner here, its an 04, i bought it with anaftermarket yoshimura eexhaust on it, and it has a ton of power, but i feel like it should have a bit more or at least idle smoother, not that its bad, but my main concern is thay it pops alot on decel, no matter what when im not on the throttle it pops, and i read thag it means its running too rich. And that you can ground the wire and adjust fuel ratio through the dash, this is the first bike ive owned and not very good when it comes to these type of mods, but once i get to the menu. To make it run leaner do i increase the value, or deacrease it, and by how much, and do i do both C01 and C02 the same , like if i add 10 to C01, do i at 10 to C02 as well? Any help is appreciated

  2. #2
    Junior Member Gary in NJ's Avatar
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    Re: CO tuning help please

    Quote Originally Posted by Skylardog123 View Post
    Hey , so new fz6 owner here, its an 04, i bought it with anaftermarket yoshimura eexhaust on it, and it has a ton of power, but i feel like it should have a bit more
    Quote Originally Posted by Skylardog123 View Post
    Hi, i am a new owner of an 04 fz6, it has 42k miles on it with a yoshimure exhaust, it runs amazing, has all the power i think it should
    Which is it?
    Lifelong student of motorcycling. Current bikes: Custom Naked '05 FZ6, LS650 Caf Racer, DRZ400 Street Tracker

  3. #3
    Vrrroooooom! CO tuning help please Motogiro's Avatar
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    Re: CO tuning help please

    You might use a sniffer to monitor your air to fuel ratio. After you know your valve lash has been checked you can do a compression check and a throttle body sync. to confirm the engine will respond correctly to further adjustments.
    If you can't fix it by hitting it with a hammer, it's electrical!

    Clif
    SoCal Hoon

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  5. #4
    Skylardog123 (OP)
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    Re: CO tuning help please

    I thought you could check the fuel air ratio from the diag menu. And not sure how to sync throttle bodies?

  6. #5
    Vrrroooooom! CO tuning help please Motogiro's Avatar
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    Re: CO tuning help please

    Quote Originally Posted by Skylardog123 View Post
    I thought you could check the fuel air ratio from the diag menu. And not sure how to sync throttle bodies?
    You can adjust CO values but you won't know A/F ratio without a sniffer. There are a lot of threads on TB adjustments here on the forum. I always find the forum search gives me good results on any info and experience for the FZ6.
    If you can't fix it by hitting it with a hammer, it's electrical!

    Clif
    SoCal Hoon

  7. #6
    2007 FZ6 TownsendsFJR1300's Avatar
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    Re: CO tuning help please

    Do a search for syncing or better yet a shop manual for the proper way.
    Scott
    2007 Yamaha FZ6- BD43 headlight mod, PIAA bulbs, Stebal air horn, Scorpion SS pipes-(no DB killers), Speedohealer, HEL SS brake lines, Fenda Extenda, K&P SS re-usable oil filter, custom mounted BMW style electrical outlet(L.S.), Techmount GPS mount with handlebar bar risers/set backs, additional helmet lock, custom mod'ed seat(Spencers), Hyper light-rear running/brake light, custom radiator/fan protector, Techspec tank pads, Grip Puppies, Yamaha rear rack with custom aluminum flat rack.

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