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Thread: intake boots for CRF hybrids?

  1. #1
    Join Date
    Mar 2001
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    San Diego, Ca. U.S.A.
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    intake boots for CRF hybrids?

    What type of intakes do all the CRF hybrids use here? I think I have the Suzuki lt250 one. It has such a gnarly curve in it to avoid the rear shock I'd be willing to bet it resticts airflow. I think I read somewhere that the Suzuki lt500 worked pretty good. I have a trx250r UM airbox. Needs to be 4" to accomadate the filter opening.

    Any help?
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    NEW RIDE.....
    Houser Framed '02 CRF450 Hybrid. Powdercoated gold, chrome Houser sub-frame, Houser +4 no-link swingarm, +2 houser a arms, Houser stem, Tag T2 bars, +4 Dominator2 axle, Elka rear shock, Fox Float front shocks, Hardkore hubs, Dream waterpump cover, Dream clutch cover, Fullbore plastic, AC Pro-pegs,braided brake lines, and more....

  2. #2
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    May 2004
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    just to let ya know the opening on the lt500 boot is 4 & 3/8''
    KX250F

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  3. #3
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    Mar 2001
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    Is it 4- 3/8 inside or outside diameter? If it'd 4" inside...it's all good. Do you have one?

    Glamis
    NEW RIDE.....
    Houser Framed '02 CRF450 Hybrid. Powdercoated gold, chrome Houser sub-frame, Houser +4 no-link swingarm, +2 houser a arms, Houser stem, Tag T2 bars, +4 Dominator2 axle, Elka rear shock, Fox Float front shocks, Hardkore hubs, Dream waterpump cover, Dream clutch cover, Fullbore plastic, AC Pro-pegs,braided brake lines, and more....

  4. #4
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    May 2004
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    my intake uses the 500 boot, its a 4 3/8'' ID
    KX250F

    WTB: Walsh CRF450R, Please PM!

    BCS Performance, Saunders Boat Livery & Package Store, Corliss Performance MXchine, MotoOption Clothing, Troy Lee Designs, Performance Engineered Products

  5. #5
    Join Date
    Nov 2006
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    Mansfield, Ohio
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    98
    Hey xrxmxcx could you post a pic of your intake?

  6. #6
    Join Date
    Nov 2005
    Location
    Latrobe, pa
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    968
    here is my intake on a crf with laeger frame
    Joe Byrds 450r, DASA,Walsh, Fox, Holz
    2013 can am outlander 800 xtp
    09 Crf250

  7. #7
    Join Date
    Feb 2005
    Location
    Phoenix, AZ
    Posts
    1,736

    intake boot

    He can't use that style of boot unless the tube was lengthend, because he is running a no link which has a much greater shock angle, the airbox needs to be shorter also, and or moved back, but usually both.

  8. #8
    Join Date
    Mar 2004
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    Tampa FL
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    My CR450F had a LSR airbox on it...didnt really like it..but heres a pic..
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    04 MX YFZ
    05 XC 450R

  9. #9
    Join Date
    Mar 2004
    Location
    Tampa FL
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    and on my YZ426 I used the stock 400ex boot and went over the frame...
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    04 MX YFZ
    05 XC 450R

  10. #10
    Join Date
    Oct 2002
    Location
    NW Ohio
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    932
    Originally posted by TampaBoy813
    and on my YZ426 I used the stock 400ex boot and went over the frame...
    that is the same set up as me but the frame has been cut and reformed so the boot goes pretty much through where the frame used to be
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