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Thread: the next rabbit hole. 350x

  1. #1
    Join Date
    Jul 2005
    Location
    az
    --
    2,020

    the next rabbit hole. 350x

    never look at marketplace when your bored. 350x for 1200 bucks, I had to go look. turns out to be a 85 with a 400ex motor adapted in there. not running. im trying to decide if finding a 350x motor and getting it back to stock or replacing the 400ex motor with the same and doing it nicer makes more sense, or trade it for some other trike project like a 200x because ive got spare 185s motors to make a auto easier.
    Does a 185s motor fit in a 350x chassis? jim
    Attached Thumbnails Attached Thumbnails Resized_Screenshot_20260325_165118_Facebook_375914977002951.jpeg  
    81 185s
    82 185s with 85 200s motor
    82 185s
    and a 72 ct70

  2. #2
    Join Date
    Jul 2005
    Location
    az
    --
    2,020
    unloading it.
    Attached Thumbnails Attached Thumbnails Resized_20260326_124146.jpeg  
    81 185s
    82 185s with 85 200s motor
    82 185s
    and a 72 ct70

  3. #3
    J!m's Avatar
    J!m is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Nov 2024
    Location
    New Haven, CT area
    --
    190
    85 engine parts are pretty plentiful.

    As long as the frame has not been cut, I'd go that route.

    My problem is I have an 86 and there are a lot fewer parts to select from in my case.

    I do have an 85 bottom end that I presume to be good internally, but I got it in parts along with my trike so I have no idea on it's condition.

  4. #4
    Join Date
    Jul 2005
    Location
    az
    --
    2,020
    it looks like the bottom back engine mounts been chopped. I put a couple ads out locally to see if theres a 350xotor available or another 400ex wrecked quad. Hopefully something comes along. jimClick image for larger version. 

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    81 185s
    82 185s with 85 200s motor
    82 185s
    and a 72 ct70

  5. #5
    Join Date
    Jul 2005
    Location
    az
    --
    2,020
    theres 2 250x quads local with 350x motors in them, one says not running and smoked when it did run, another just not running. prices are 1200 and 800 which is a bit much of a gamble for me. The seller told me he was told the topend was making noise per the person he got it from. After thinking about it, I think im going to try and figure out the wiring and see if I can get the 400ex motor running. carb and exhaust is already on there. it looks like it was all together at some time. Theres a little hackery on the frame. if i can get it running, ill order the adapter kit from atc adt and install it properly. it came with a oil cooler and custom oil tank. im thinking I tossed all my extra 350D parts like oil lines and coolers.
    I did find a guy with a 350x bottom end he might let go, ive got a extra cylinder, head, cam rockerbox intake etc.
    Hopefully I can find a simple diagram how to get this to start and charge when I get busy on it. jim
    81 185s
    82 185s with 85 200s motor
    82 185s
    and a 72 ct70

  6. #6
    Join Date
    Jul 2005
    Location
    az
    --
    2,020
    theres 2 250x quads local with 350x motors in them, one says not running and smoked when it did run, another just not running. prices are 1200 and 800 which is a bit much of a gamble for me. The seller told me he was told the topend was making noise per the person he got it from. After thinking about it, I think im going to try and figure out the wiring and see if I can get the 400ex motor running. carb and exhaust is already on there. it looks like it was all together at some time. Theres a little hackery on the frame. if i can get it running, ill order the adapter kit from atc adt and install it properly. it came with a oil cooler and custom oil tank. im thinking I tossed all my extra 350D parts like oil lines and coolers.
    I did find a guy with a 350x bottom end he might let go, ive got a extra cylinder, head, cam rockerbox intake etc.
    Hopefully I can find a simple diagram how to get this to start and charge when I get busy on it. jim
    81 185s
    82 185s with 85 200s motor
    82 185s
    and a 72 ct70

  7. #7
    Join Date
    Jul 2005
    Location
    az
    --
    2,020
    theres 2 250x quads local with 350x motors in them, one says not running and smoked when it did run, another just not running. prices are 1200 and 800 which is a bit much of a gamble for me. The seller told me he was told the topend was making noise per the person he got it from. After thinking about it, I think im going to try and figure out the wiring and see if I can get the 400ex motor running. carb and exhaust is already on there. it looks like it was all together at some time. Theres a little hackery on the frame. if i can get it running, ill order the adapter kit from atc adt and install it properly. it came with a oil cooler and custom oil tank. im thinking I tossed all my extra 350D parts like oil lines and coolers.
    I did find a guy with a 350x bottom end he might let go, ive got a extra cylinder, head, cam rockerbox intake etc.
    Hopefully I can find a simple diagram how to get this to start and charge when I get busy on it. jim
    81 185s
    82 185s with 85 200s motor
    82 185s
    and a 72 ct70

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