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Thread: R90 /6 Gas Tank

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  1. #1
    Wave to motorcycle cops Jon's Avatar
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    R90 /6 Gas Tank

    I recently found myself bringing home a 1974 R90 /6. I have a 75 R90s and enjoy having a spare Airhead. It has the 4.3 gallon gas tank with a dent, motorcycle is running and riding very nice but I'm considering having the dent repaired over the winter. Do you think I should hunt down the 5.8 gallon tank? Not a big fan of the rubber knee pads...but I could get use to them. Anyway the Manza Blue is kinda nice.
    J C Hughes
    "When you play, play hard, when you work don't play at all".
    Colonel Theodore Roosevelt

  2. #2
    Registered User lmo1131's Avatar
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    I restored a big tank for my /5 toaster; it's long legs come in handy on road trips when you don't know where your next drink is coming from.

    You can always sell one ... which is a segue into what they're selling for. In good to very good condition I've seen $650 (with out gas cap, petcocks or knee pads). Lesser condition isn't that much less (people know what they have, and they're becoming fewer and farther between) $475. That isn't to say there aren't "deals" out there.

    There are a couple oneBay tonight in "less than" good condition - asking prices hover between $160 -250. All have what I would consider inoperable dents.

    Buy It Now > $259



    Best of the lot @ $499, and it isn't perfect > http://www.ebay.com/itm/BMW-AIRHEAD-...f43c48&vxp=mtr
    "It is what you discover, after you know it all, that counts." _ John Wooden

    Lew Morris
    1973 R75/5 - original owner

  3. #3
    advrider.com
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    Here's my Monza Blue 1974 R90/6 with a large tank. I think it looks nice. I have a small tank on the shelf.


  4. #4
    Wave to motorcycle cops Jon's Avatar
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    That does look very nice, I think I will try to find a larger tank. Thank you
    J C Hughes
    "When you play, play hard, when you work don't play at all".
    Colonel Theodore Roosevelt

  5. #5
    Hacker
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    You need a /6 tank. The pretty black tank for $499 was a /5 tank. It won't work on a /6 unless it's an R60/6 with front drum brakes. All the other /6's with disk brakes have a master cylinder under the tank and /6 tanks have a space for the MC. /5 tanks do not have the space for the MC.

    You can use a /7 tank if you also use a /7 seat.

    /6 tanks seem to be the hardest to find good deals on. They also hold their value.

    Back to the pretty /5 tank, it has decal stripes and not painted stripes. Paint also looks too shiny for most 40 year old bikes.

  6. #6
    advrider.com
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    I'd say there are better deals to be found on sites other than ebay. I got a decent large /6 tank off the advrider flea market for like $120 a couple years back.

    But, speaking of interchangeability, I saw an R60/6 with a /5 toaster tank in Pleasanton, CA that was quite lovely. No master cylinder, so no problemo.

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