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Thread: Im considering buying this motor...

  1. #1
    Join Date
    May 2005
    Location
    Australia
    --
    1,047

    Im considering buying this motor...

    This guy here in Oz is converting his TRX250r to a 450 4 stroke for MX and is selling this R motor,here's what he has to say...what do you think ?

    -duncan powervalve barrel 300cc
    -extra dome for above
    -hinson clutch basket
    -new clutch plates (dec 06)
    -new counter balancer bearing holder
    -cr250 esr ignition
    -38mm tmx carb off 03 yz125
    -boyeson rad valve
    -fmf rad valve
    -original 250r barrel and head
    -+gaskets etc plus anything else ive got lying around.

    Downsides!
    -on last bore. has .006 wear until needs new sleeve. Has about 5 hones
    left in it about 2 years.
    -had water getting in the carb thru the cable, now fixed although the carb
    spring is rusty. (this has just happened)


    Keeping 3 Wheelers Alive Downunder !

  2. #2
    Join Date
    Feb 2004
    Location
    Columbiaville, MI.
    --
    1,508
    It looks pretty nice I gotta say that,and the package includes some nice goodies along with it..Looks like a new sleeve will be needed in the future for sure ahe',but i know you got the hookups to get that easy,I would say get it if in a fair price range for ya ..You always need an extra motor laying around incase you pinch a coolant line or something...LOL,just getting your goat!!!
    www.muddogs.org - My New Website

    MDR Racing

    Trikefest '06 '07 '08 '09 Survivor !!!!
    LONG LIVE SANCHEZ RACING

  3. #3
    Join Date
    May 2005
    Location
    Hobart, Oklahoma
    --
    570
    That's a good package. I think if he don't want an arm and leg for it, get it!

  4. #4
    Join Date
    Jul 2006
    Location
    United States
    --
    7,765
    anything duncan was big money!! but he's an idiot to take that motor out and put in a 450. but whatever if it means that you can get a dela on the motor then I say go for it!

  5. #5
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,688
    Aussie how much does he want for It? If you need to re-sleeve It let me know. I will have my buddy machine It & I will match the ports back up for ya.

    83 ATC 60-R Cr60 converted with Zinger parts.
    83 ATC 70.
    83 Tri zinger
    ATC 85-R Cr85 engine on shortened 86-R frame.
    ATC450AF
    86 310-R Drag racer
    440 snowmobile powered custom built.
    87 Cr 500 Converted to Drag racer

  6. #6
    Join Date
    May 2005
    Location
    Australia
    --
    1,047
    Quote Originally Posted by Jason Hall
    Aussie how much does he want for It? If you need to re-sleeve It let me know. I will have my buddy machine It & I will match the ports back up for ya.
    In US dollars,$1000 with all the spares ie extra barrel head and other stock items.
    Keeping 3 Wheelers Alive Downunder !

  7. #7
    tyman's Avatar
    tyman is offline Just Too Addicted Arm chair racerJust too addicted
    Join Date
    Jul 2006
    Location
    Bedford, Pennsylvania
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    458
    sounds pretty good i think... grant it, i have no way of knowing what it could possibly be worth..... but it looks like its got its moneys worth in upgrades and "goodies"
    86 200x
    72? US90
    79 ATC70
    83 ATC70
    84 ATC70

  8. #8
    Join Date
    Aug 2005
    Location
    HI
    --
    1,575
    Thats pretty cheap for a duncan motor. I have visited the Duncan Racing company and checkout some of their 250R's and 450R's. I saw some of their factory works stuff. 1000 is a STEAL.
    Rest in peace Rex Carlson

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