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Thread: 185/200 200x parts interchange?

  1. #1
    Join Date
    Jul 2005
    Location
    az
    --
    1,949

    185/200 200x parts interchange?

    I've got a 85 200x with the dreaded slipping kick start. I've never split a case before. Ivery got a semi complete 185 or 200s motor sitting in the shed, it's missing the cdi and parts inside the cover, will the 200x stuff swap right over?
    basically I'm just trying to have a back up plan if I screw up the 200x motor trying to fix the kick start.
    does the cylinder, top end and piston just swap out too? the 200x doesnt smoke, runs great, just has a kick start issue. thx. jim
    81 185s
    82 185s with 85 200s motor
    suspended 185s
    85 atc70
    1984 200s
    85 350x 3rd owner
    and a 72 ct70

    projects coming along

    85 200s
    81 suspended 185s (can't believe I came across 2)
    1982? 185s

  2. #2
    Join Date
    Jul 2010
    Location
    Pekin IL
    --
    529
    All the top end stuff will swap between the two.

    Sent from my moto x4 using Tapatalk
    1985 250r
    1985 200s
    1984 200x
    bandito x2
    1979 atc70
    Trikefest 2012,13,14,15

  3. #3
    Join Date
    Jul 2005
    Location
    az
    --
    1,949
    will the 200x swap onto a 185 bottom end? jim
    81 185s
    82 185s with 85 200s motor
    suspended 185s
    85 atc70
    1984 200s
    85 350x 3rd owner
    and a 72 ct70

    projects coming along

    85 200s
    81 suspended 185s (can't believe I came across 2)
    1982? 185s

  4. #4
    Join Date
    Apr 2014
    Location
    Edmond, KS
    --
    2,531
    Yes it will. There's only 12 cc's difference between the two engines. Don't worry about the swap. I think that an AutoX is a great machine. I'd do it again in a heartbeat.

  5. #5
    Join Date
    Jul 2005
    Location
    az
    --
    1,949
    Sorry I should have clarified.will the 200x cylinder etc swap onto a 185 bottom end? Im not sure what engines I have in the shed. There's 2 complete and 1 with the top end unfolded.
    Will the 185/200 stator wires work with the 200x harness? Thanks again. Jim
    81 185s
    82 185s with 85 200s motor
    suspended 185s
    85 atc70
    1984 200s
    85 350x 3rd owner
    and a 72 ct70

    projects coming along

    85 200s
    81 suspended 185s (can't believe I came across 2)
    1982? 185s

  6. #6
    Join Date
    Jul 2010
    Location
    Pekin IL
    --
    529
    Yeah the 200x top end will fit a 185 or 200 bottom. they all have the same stroke it's just a different piston size. The 200x has a little hotter cam, larger cooling fins on the cylinder and no decompression lever. Other than that everything's pretty much the same.

    Sent from my moto x4 using Tapatalk
    1985 250r
    1985 200s
    1984 200x
    bandito x2
    1979 atc70
    Trikefest 2012,13,14,15

  7. #7
    Join Date
    Jul 2005
    Location
    az
    --
    1,949
    Great info, now to find some time to get this thing sorted out. Jim
    81 185s
    82 185s with 85 200s motor
    suspended 185s
    85 atc70
    1984 200s
    85 350x 3rd owner
    and a 72 ct70

    projects coming along

    85 200s
    81 suspended 185s (can't believe I came across 2)
    1982? 185s

  8. #8
    Join Date
    Apr 2014
    Location
    Edmond, KS
    --
    2,531
    Well the stator wires on my 1981 ATC200 engine won't work with the 200X harness. That's all the experience that I have with the 200X wiring. I used the 200 harness and put the 200X harness aside.

  9. #9
    Join Date
    Jul 2005
    Location
    az
    --
    1,949
    I dont think I've got the harness for theb185/200 motor
    I'll have to see what I have laying around. jim
    81 185s
    82 185s with 85 200s motor
    suspended 185s
    85 atc70
    1984 200s
    85 350x 3rd owner
    and a 72 ct70

    projects coming along

    85 200s
    81 suspended 185s (can't believe I came across 2)
    1982? 185s

  10. #10
    Join Date
    Apr 2014
    Location
    Edmond, KS
    --
    2,531
    At one time, Corey (ps2fixer) talked about possibly making an adapter to use the 200X harness with the 185/200 engine. I just never did it.

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