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Thread: Installed a K&N filter on the - '85 Tri Z 250 ATC ... Problems

  1. 08-23-2006, 04:17 PM #1
    ceaserthethird's Avatar
    ceaserthethird
    ceaserthethird is offline Power User Got the holeshot
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    Installed a K&N filter on the - '85 Tri Z 250 ATC ... Problems

    Nothing but problem's with my ATC's i got ...

    Well i order a K&N Filter and Outerwear PRe-filter for the Tri Z 250 '85 .... look's nice.

    Removed the Old STOCK Filter ( full of oil ) and Installed the K&N Filter with outer wear pre-filter ...

    Started up fine but Doesn't Run the same ... Mid to Full throttle just doesn't Pull any more on all gears ...

    I check on the needle clip it was at it's highest setting 5 ... but it ran good with the OLD Oily FILTER .

    so i changed the needle clip to 3 middle setting and now it kinda pop's but it did help .

    it has a PIPE on it DG Performance , Running 92 octane and mix at 32.1 on HP2 Honda oil synthetic 100% .

    Should i go up in jetting ?

    or can i just Adjust it with the needle clip position ?
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  2. 08-23-2006, 04:30 PM #2
    Dammit!'s Avatar
    Dammit!
    Dammit! is offline Power User The day begins with 3WW
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    Going to a new K&N versus an old, soiled OEM one, you're flowing way more air now and need to richen up your jetting across the board.
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  3. 08-23-2006, 05:56 PM #3
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    Mr. Sandman
    Mr. Sandman is offline Just Too Addicted Arm chair racerJust too addicted
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    What said, plus calling a Tri-Z an ATC doesn't help either. ATC's are made by Honda (the best) and Tri-Z's by Yamaha.
    Current Ride (Purchased new in Oct. 84) - 1985 Honda ATC 250R w/ ESR 310cc big bore kit
    Wife's Ride - 2009 Polaris RZR 800
    Kid's Rides - 2009 Yamaha Raptor 700, 2008 Yamaha Raptor 250
    Former Rides - 1975 Honda XR 75, 1979 Yamaha IT 175, 1978 Honda ATC 90, 1980 Honda ATC 110

    got sand?
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  4. 08-23-2006, 06:00 PM #4
    Yamahondaman's Avatar
    3WW Star-Yamahondaman
    Yamahondaman is offline R.I.P. Hey Ron Racing-GIT IT RAG! Got the holeshot
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    DANG HONDA'S Patented the word........"ATC" !!!!
    That's why "all the rest" are ............... ATV's ......
    "07" DR650 Suzuki Dual Sport
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  5. 08-23-2006, 06:38 PM #5
    ceaserthethird's Avatar
    ceaserthethird
    ceaserthethird is offline Power User Got the holeshot
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    Hey true on that , i have 1 tri z and 2 atc's 250R ...

    Still a rookie here ...
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  6. 08-23-2006, 06:39 PM #6
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    thefox
    thefox is offline Power User Lord of the trike
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    hey it has honda blood (oil) running through it = ATC
    1984 Yamaha YT 60 Tri Zinger(current project)
    1983 Yamaha YTM 200 (rear suspension kit)..... long term project
    2004 BMW R1150R
    1972 Honda CT 70
    2007 Lifan 110
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