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Thread: What is it? Honda dirt bike engine ID....

  1. #1
    Join Date
    Nov 2002
    Location
    Kirkville, NY
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    What is it? Honda dirt bike engine ID....

    So I bought an engine off ebay, itw as slisted as a Honda atc125 engine. I knew that it was from a dirtbike so I bought it hoping it was a XR200 engine but it isn't. I am guessing it is a XL125 or something like it, the nuber on the case is JD02E-5204155 and here is a picture. Anybody know what it is from?





    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

  2. #2
    Join Date
    Dec 2005
    Location
    new jersey
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    44
    that may just be a 125 motor mine looks exactly like that, that came in basket case with my bike my bikes an 85 xl 125s but my main shaft is stripped and my cases are split

  3. #3
    Howdy's Avatar
    Howdy is offline Putting Priorities in Order, Busier than ever. Catch me if you can
    Join Date
    Sep 2002
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    Celina, Ohio
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    10,079
    The serial number shows it as a 1981 XL 125S.
    Production code 437

    Howdy

  4. #4
    Join Date
    Nov 2002
    Location
    Kirkville, NY
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    Ok, thanks guys!
    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

  5. #5
    Join Date
    Sep 2003
    Location
    Elizabethtown PA
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    1,581
    some of the clutch parts are the same as a 200x.

    my brother swigin on here used the inner clutch hub with the 4 studs from one of them on his 85 200x back in the day.
    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

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