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Thread: ATC 250r New pipe!

  1. #16
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,768



    Sent from my iPhone using Tapatalk
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Boyesen Rad Valve
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  2. #17
    TexFest's Avatar
    TexFest is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Aug 2002
    Location
    U.S.
    --
    339
    Sweet pipe


    Sent from my iPhone using Tapatalk
    TPC 450R

  3. #18
    HondaRidr's Avatar
    HondaRidr is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Sep 2010
    Location
    Salt Lake
    --
    330
    How do you like the pipe vs your old one?

  4. #19
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,768
    Quote Originally Posted by HondaRidr View Post
    How do you like the pipe vs your old one?
    Well I’ve only been able to ride around the parking lot at the place where it’s being dyno tuned. I don’t know how much the intake is making a difference but to me it feels like it’s much more snappy and the low bog I was feeling is finally gone. The dyno is having issues reading the top end so that will have to be dealt with first before I can take it out and ride it. But so far so good! And I love the
    Throaty sound it has now.
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Boyesen Rad Valve
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  5. #20
    Join Date
    Oct 2003
    Location
    Las Vegas, NV.
    --
    2,446
    It all looks good on there Fox. I'm curious as well, as to the pipe comparison. So, you switched from a Paul Turner to the CT, and added the intake at the same time? Which PT was it, the high-rev?
    Red Rider's Sand Machine Updated 07/23/14

  6. #21
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,768
    Quote Originally Posted by Red Rider View Post
    It all looks good on there Fox. I'm curious as well, as to the pipe comparison. So, you switched from a Paul Turner to the CT, and added the intake at the same time? Which PT was it, the high-rev?
    Yes it was the high rev. Only pipe I ever used for near 30 years now. And yes pipe and intake all at once.


    Sent from my iPhone using Tapatalk
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Boyesen Rad Valve
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  7. #22
    KASEY's Avatar
    KASEY is offline weee weeee weeeeeeeeeee ! ! ! The day begins with 3WW
    Join Date
    Jan 2003
    Location
    ARIZONAS BIGGEST TROUBLEMAKER
    --
    4,237
    ct pipe looks like

  8. #23
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,768
    Quote Originally Posted by KASEY View Post
    ct pipe looks like
    Hey man how you been? And yes it is Haven’t really had a true ride on it yet but so far so good!!!


    Sent from my iPhone using Tapatalk
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Boyesen Rad Valve
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  9. #24
    Join Date
    Jul 2010
    Location
    O.C., Oregon
    --
    921
    Quote Originally Posted by Fox250R View Post



    Sent from my iPhone using Tapatalk
    Got the same LED intake on my R, love it with the CR ignition
    1985 250r-LED Performance 4mm Stroker motor
    1978 ATC70 w/ Piranha 140cc
    1972 - K1 - CT70 w/lifan 125cc
    2017 YZ 250x- Braap

    Youtube channel = http://www.youtube.com/user/ter5678/videos

  10. #25
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,768
    Quote Originally Posted by 250rRoostmaster View Post
    Got the same LED intake on my R, love it with the CR ignition
    Are you able to run lights?


    Sent from my iPhone using Tapatalk
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Boyesen Rad Valve
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  11. #26
    Join Date
    Jul 2010
    Location
    O.C., Oregon
    --
    921
    Quote Originally Posted by Fox250R View Post
    Are you able to run lights?


    Sent from my iPhone using Tapatalk
    I run a LED light bar in the headlight housing now and LED tail light. Both run Lipo batteries
    1985 250r-LED Performance 4mm Stroker motor
    1978 ATC70 w/ Piranha 140cc
    1972 - K1 - CT70 w/lifan 125cc
    2017 YZ 250x- Braap

    Youtube channel = http://www.youtube.com/user/ter5678/videos

  12. #27
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,768
    Quote Originally Posted by Red Rider View Post
    It all looks good on there Fox. I'm curious as well, as to the pipe comparison. So, you switched from a Paul Turner to the CT, and added the intake at the same time? Which PT was it, the high-rev?
    So I tried the CT and it was a no go. Top end was horrible. So Paul turner is back on.


    Sent from my iPhone using Tapatalk
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Boyesen Rad Valve
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  13. #28
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,768
    Just installed an LED small bore exhaust and silencer. Will try it out next week!
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Boyesen Rad Valve
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  14. #29
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,768





    Sent from my iPhone using Tapatalk
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Boyesen Rad Valve
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  15. #30
    Join Date
    Apr 2011
    Location
    Mexico
    --
    9,003
    Looks great!
    It sucks to get old

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