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Thread: 250r rear brake mod

  1. #16
    Join Date
    Mar 2006
    Location
    PA
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    3,515
    well that line is whatever was on the bike probably newer r but other then the length any line will work

    i dont see why you cant just use the caliper.
    80s......185 atc, Yamaha tri-moto 200, 85 200x with tons of work
    90s......89 Suzuki quad racer 250 (raced 250 A class for 6 years, late 90s.. custom framed 250x with long travel shocks and a built 350x motor.... built Honda 110
    00s...... chomeoly framed 350 RX with all the goodies (thanks to my bro)
    2012.....Replaced the 350x motor for a 444cc YZ426
    WWW.HREATV.COM

  2. #17
    Join Date
    Nov 2005
    Location
    New Jersey
    --
    659
    Quote Originally Posted by SWIGIN
    well that line is whatever was on the bike probably newer r but other then the length any line will work

    i dont see why you cant just use the caliper.
    I want to use the caliper, it is the master I was referring too-I would like to keep it stock.Thanks for the reply
    http://www.pilotodyssey.com/PO/index.php

    88 TRX LRD,39MM pwk,Durablue+4.Nice rider
    85 250r West Coast +4,Durablue +4,Boyesen rad valve,Keihin 39mm,Rad double row carrier
    86 250R west coast +4,Durablue+4,Maier plasitcs, Keihin, Boyesen,Wiseco big bore kit
    85 350x-all new everthing,trailer queen,all OEM-NOT FOR SALE!!
    4-FL400R HONDA PILOTS.See my section on the page!
    2-85 T-3 Tecates all the bells and whistles
    85 T-3 project trike in works

  3. #18
    Join Date
    Sep 2003
    Location
    Elizabethtown PA
    --
    1,581
    it;s a stainless line for a trx250r. the trx's and yz's have the same ends at the caliper. SWIGINS my brother the 350RX is mostly mine.

    i have just the caliper on my 86 trx250r and it works great. you just have to egg out the holes a little like he described

    since you have a 85 atc you'll have to get a 86 caliper bracket that slides over the carrier. plus weld a stud on your swingarm
    JASON LISKEY

    1985 atc 250r ---- finsh line axle,.fmf exhaust and rictor privateer silencer, prm grab bar.
    2008 KTM 525xc quad ----- HMF exhaust, HRE chromoly stem,
    86 trx 250r --- with after market chromoly frame and everything else done to it
    01 400ex --- with 86 trx 250r motor
    87 250x + 93 300ex both 350x powered
    2 = 86 atc 350x's
    86 atc 250r
    83 atc 185s --- from retired guy not ridden since 87
    Bandito framed 110 with 85 motor and yellow us90 fenders + tank

  4. #19
    Join Date
    Jan 2005
    Location
    RI
    --
    2,530
    Quote Originally Posted by jason85atc250r
    since you have a 85 atc you'll have to get a 86 caliper bracket that slides over the carrier. plus weld a stud on your swingarm

    hey can you explain this jason?


    Mike
    1986 Tri-z
    1985 250r
    1985 200s
    1985 70[/SIZE]

  5. #20
    Join Date
    Sep 2003
    Location
    Elizabethtown PA
    --
    1,581
    Quote Originally Posted by DeePa
    hey can you explain this jason?


    Mike
    the 86-89 atc/trx's dont have the linkage they have the stud sticking out of the swingarm. it keeps the caliper in place like the linkage piece on 85 250r's
    JASON LISKEY

    1985 atc 250r ---- finsh line axle,.fmf exhaust and rictor privateer silencer, prm grab bar.
    2008 KTM 525xc quad ----- HMF exhaust, HRE chromoly stem,
    86 trx 250r --- with after market chromoly frame and everything else done to it
    01 400ex --- with 86 trx 250r motor
    87 250x + 93 300ex both 350x powered
    2 = 86 atc 350x's
    86 atc 250r
    83 atc 185s --- from retired guy not ridden since 87
    Bandito framed 110 with 85 motor and yellow us90 fenders + tank

  6. #21
    Join Date
    Jan 2005
    Location
    RI
    --
    2,530
    do you have to weld the stud?

    Mike
    1986 Tri-z
    1985 250r
    1985 200s
    1985 70[/SIZE]

  7. #22
    Join Date
    Sep 2003
    Location
    Elizabethtown PA
    --
    1,581
    yes you will have to weld it on. look on a site like bikebandit.com at the parts pictures and you'll see what it looks like.
    JASON LISKEY

    1985 atc 250r ---- finsh line axle,.fmf exhaust and rictor privateer silencer, prm grab bar.
    2008 KTM 525xc quad ----- HMF exhaust, HRE chromoly stem,
    86 trx 250r --- with after market chromoly frame and everything else done to it
    01 400ex --- with 86 trx 250r motor
    87 250x + 93 300ex both 350x powered
    2 = 86 atc 350x's
    86 atc 250r
    83 atc 185s --- from retired guy not ridden since 87
    Bandito framed 110 with 85 motor and yellow us90 fenders + tank

  8. #23
    Join Date
    Jan 2005
    Location
    RI
    --
    2,530
    well then what else do i need for this mod

    the linkage off of a 86 r? Will my 85r stuff work?

    DO you use the YZ mounting bracket for the caliper?

    Mike
    1986 Tri-z
    1985 250r
    1985 200s
    1985 70[/SIZE]

  9. #24
    Join Date
    Sep 2003
    Location
    Elizabethtown PA
    --
    1,581
    you'll need the caliper accentric piece that slides over the axle housing. and weld the stud like i explained.

    you'll need the yz caliper with the mounting bracket. just egg out the holes and stuff like my brother explained

    i'll pm you my number if you want to ask in person
    JASON LISKEY

    1985 atc 250r ---- finsh line axle,.fmf exhaust and rictor privateer silencer, prm grab bar.
    2008 KTM 525xc quad ----- HMF exhaust, HRE chromoly stem,
    86 trx 250r --- with after market chromoly frame and everything else done to it
    01 400ex --- with 86 trx 250r motor
    87 250x + 93 300ex both 350x powered
    2 = 86 atc 350x's
    86 atc 250r
    83 atc 185s --- from retired guy not ridden since 87
    Bandito framed 110 with 85 motor and yellow us90 fenders + tank

  10. #25
    Join Date
    Jan 2005
    Location
    RI
    --
    2,530
    OK...

    I have teh caliper and mounting bracket from teh YZ

    I am buying a 86 caliper stay (the one with teh ovaled out section, unlike the 85.)

    I dont get it, does that stud go on the swinger adn the egg shape goes over it? Can you get a picture of it?

    Mike
    1986 Tri-z
    1985 250r
    1985 200s
    1985 70[/SIZE]

  11. #26
    InPiEcEs's Avatar
    InPiEcEs is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Apr 2004
    Location
    Northeast Wisconsin
    --
    378
    Here are some pics for ya. The best I can do without taking things apart

    This one shows how the bracket goes on the swingarm.
    You can see that there is a pin with a nylon button on it.
    This what keeps the caliper from turning, like the linkage bar on the 85's
    On the bearing carrier, there is a clip that keeps the bracket in place.
    I don't know whether or not the 85 carrier had the groove in it for a clip.



    This one shows the caliper mounted on the bracket.
    You need to egg the holes out on the 250R mounting bracket just a little.
    The holes on the YZ bracket are just a hair off.
    Hopefully these help.
    Last edited by InPiEcEs; 04-19-2007 at 12:32 AM.
    One piece at a time. Status: The Beast is Done..06-23-07
    Back in the saddle again
    Currently owned rides:
    My sleds, and.........
    1995 CBR600F3
    1976 Kaw 400 triple-smoker......SOLD
    1986 250R...owned since 1990
    06-23-07........the R is finally done!!!
    ESR pipe, Aktive reeds/CR cage, 38mm PWK, +4 Dominator
    mild clean-up porting, an open K&N, CR and YZ calipers.......among other things

  12. #27
    Join Date
    Sep 2003
    Location
    Elizabethtown PA
    --
    1,581
    sykolin this is the thread
    JASON LISKEY

    1985 atc 250r ---- finsh line axle,.fmf exhaust and rictor privateer silencer, prm grab bar.
    2008 KTM 525xc quad ----- HMF exhaust, HRE chromoly stem,
    86 trx 250r --- with after market chromoly frame and everything else done to it
    01 400ex --- with 86 trx 250r motor
    87 250x + 93 300ex both 350x powered
    2 = 86 atc 350x's
    86 atc 250r
    83 atc 185s --- from retired guy not ridden since 87
    Bandito framed 110 with 85 motor and yellow us90 fenders + tank

  13. #28
    Join Date
    Jul 2006
    Location
    United States
    --
    7,765
    man, im so confuzed! jason what where we discussing?

  14. #29
    Join Date
    Jan 2005
    Location
    RI
    --
    2,530
    syko if you want the caliper that you need for this mod, i have one...50 shipped to your door...great shape, pads are great.

    Mike
    1986 Tri-z
    1985 250r
    1985 200s
    1985 70[/SIZE]

  15. #30
    Join Date
    Jul 2006
    Location
    United States
    --
    7,765
    pm me about that, im going to do a 450r conversion on my flat tracker but im building another machine I may still be interested in it deepa

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