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Thread: Barn find US90. Worth restoring?

  1. #1
    Join Date
    Apr 2026
    Location
    Ohio
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    1

    Barn find US90. Worth restoring?

    I have what looks to be a 1970 - 1971 US90. Serial is US90-1205XX. Front balloon tire holds air but the back two balloon tires are dry rotted, cracked and don't. The fender and gas tank appear to be pulled from a mid 80s ATC. This came with a house I bought. I have childhood memories of riding my uncle's three wheeler so there's a little nostalgia there but no attachment. I'd like to get it running but I'm looking for opinions on what others would do. Should I sell the front tire and use that to buy replacement tires and maintenance items to get it going again? Should I sell the whole thing to someone more interested in restoring it for collecting and just buy a newer user three wheeler? Click image for larger version. 

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  2. #2
    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
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    194
    Welcome!

    Personally, I'd restore it and then decide it's fate. But, as you say, no attachment and your plan to sell it to finance something newer is not a bad idea. A 200X for example, with suspension and better parts availability makes a lot of sense for a rider.

    I would expect a market for what you have- many guys restoring the old trikes.

    Pressure wash it and see what you have there- good pictures from all around and determining condition of engine (stuck, not stuck, compression test, or, it runs!)

  3. #3
    Join Date
    Jun 2013
    Location
    Oceanside, CA.
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    615
    Welcome to the board!

    As Jim says additional pictures would help. When I first saw the picture of the US90 several red flags popped up. The frame neck and front fork should be painted the same color. Granted other 90 pieces are missing but whats there could be used to make a rider. The rear axle/hubs present another problem with needed adapters and 3 bolt wheels. Depending on the actual condition of the front tire could be sold for a good profit. I say sell and buy a '75 or newer 3 wheeler.

    "HJ"
    ’84 YT60
    ’85 350x (423cc) with ’81 XL500 head conversion
    ’83 XR500 (628cc) converted 3 Wheel hybrid
    ’73 CB750 K3 converted 3 Wheel hybrid
    ’86 TRX250R chassis XR650L engine hybrid
    ’89 TRX250R (stock )
    ’90 LT500 Quadzilla
    ’85 FL350 Odysses ( water cooled head )
    Lost (sold) but not forgotten ’80 ATC 110 (205cc on alcohol ) ’83 200x ( 222cc ) ’83 200x ( 185s eng ) ’85 350x ( stock )
    added to the collection recently, (2) '70 US90 Aquarius Blue and '74 ATC90 Daytona Orange

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