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  • O rings

    I've removed my oil radiator to refurbish the radiator and pipes. I'm not sure if many people have these in the US. The pipes which connect to the oil cooler plate have O rings in them. Mine are old, squashed and very soft, so I want to replace them.

    Does anyone know what the 'official' dimensions of these O rings please? I think the ID is 15mm but they seem thinner than any O rings which I have already. I think the thickness is important so that the pipe flanges bolts flush to the engine, with the O rings forming a seal without being squashed too much.....
    XS1100F 1980 European model. Standard. Dyna coils. Iridium plugs. XS750 final drive (sometimes). Micron fork brace. Progressive front springs. Geezer regulator/rectifier. Stainless 4 into 2 exhaust. Auto CCT (Venturer 1300) SOLD. New project now on the go. 1980 European model.

  • #2
    Is it possible just to get rid of the o-ring setup and thread in a compression fitting or a flare type fitting instead? Not sure of your setup but I would trust those more than something with an o-ring.
    Nathan
    KD9ARL

    μολὼν λαβέ

    1978 XS1100E
    K&N Filter
    #45 pilot Jet, #137.5 Main Jet
    OEM Exhaust
    ATK Fork Brace
    LED Dash lights
    Ammeter, Oil Pressure, Oil Temp, and Volt Meters

    Green Monster Coils
    SS Brake Lines
    Vision 550 Auto Tensioner

    In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

    Theodore Roosevelt

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    • #3
      Generally, I just go to the local hardware or auto parts store with the old o-ring and say, "I need a new one of these." They pull out the bin and rifle through it until they come up with a match.
      1980 XS850SG - Sold
      1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
      Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
      Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).

      Whether you think you can, or you think you cannot - You're right.
      -H. Ford

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