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  1. #1
    Lost Texan LostTexan's Avatar
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    Fuel Question

    I just got a new 2008 K1200GT. My owners manual says to use "98 ROZ/RON Super Unleaded or 95 ROZ/RON Super unleaded (fuel type can be used with reduced performance and consumption)". I recently found a link to Minnesota stations that sell non-oxygenated (ethanol-free) fuel. Should I use the non-oxegenated fuel?
    http://www.msra.com/NonOxygenatedFue...2008.27.08.pdf
    Last edited by LostTexan; 01-04-2009 at 04:00 AM.
    LostTexan #146556
    2008 K1200GT

  2. #2
    A wandering Bird Vagabird's Avatar
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    I'd go with the best fuel you can find. My bikes run fine on almost anything, but I've noticed I don't get the mileage if I use regular or gas with ethanol. Some places that's all you can get, but if you can get 93 or 94 octane with no ethanol, it's worth the extra expense.
    '12 K1600 GT

    What is it you intend to do with your one wild and precious life? - Mary Oliver

  3. #3
    Pusser's Pyrate Society Zygmund's Avatar
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    Lost Texan,
    I keep that list from the MSRA in the tank bag, nice to have when you are out and about and want non ethanol fuel.
    '02 R1150RT

  4. #4
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    Quote Originally Posted by Vagabird View Post
    I'd go with the best fuel you can find.
    nope. you run the lowest that the bike will burn without pinging (detonation), anything beynd that is a waste of money. period. that may be 93, or it might be 89. i'd start with a tank of the best stuff, then at about a half tank down, refill with the next lower grade. keep experimenting till you find what works, even under hard demands (uphill, loaded, hard acceleration).
    Ride Safe, Ride Lots

  5. #5
    Lost Texan LostTexan's Avatar
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    Thanks for all the input. Appreciate the coaching.
    LostTexan #146556
    2008 K1200GT

  6. #6
    A wandering Bird Vagabird's Avatar
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    Quote Originally Posted by bikerfish1100 View Post
    nope. you run the lowest that the bike will burn without pinging (detonation), anything beynd that is a waste of money. period. that may be 93, or it might be 89. i'd start with a tank of the best stuff, then at about a half tank down, refill with the next lower grade. keep experimenting till you find what works, even under hard demands (uphill, loaded, hard acceleration).
    I've never experienced pinging on either R12, regardless of what I put in. But I get 47-51 mpg on my RT if I use 91 octane and 39-43 if I use 87 octane. It doesn't seem to me like I'm saving any money with the cheaper gas.
    '12 K1600 GT

    What is it you intend to do with your one wild and precious life? - Mary Oliver

  7. #7
    Registered User texanrt's Avatar
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    Do additives make super unleaded worth the cost?

    Quote Originally Posted by Vagabird View Post
    I've never experienced pinging on either R12, regardless of what I put in. But I get 47-51 mpg on my RT if I use 91 octane and 39-43 if I use 87 octane. It doesn't seem to me like I'm saving any money with the cheaper gas.
    What about additives? In addition to fuel-economy and ping-reducing qualities of super unleaded fuels, don't they contain additives helpful in maintaining the operating efficiency of the fuel delivery system and the cleanliness of the combustion chamber? And -- can your dealer tell if you've been burning lower octane fuel? Like the question on oil & oil filters, does this have implications for warranty service?

    I've seen pictures of valves taken out of motors burning regular and premium fuels and could see the difference -- but are those claims real? If you've taken apart a motor -- did you know whether the motor was run on regular or premium fuel?
    Texan RT | Houston | IBA
    BMW R1200RT | HD Road Glide

  8. #8
    A wandering Bird Vagabird's Avatar
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    Now you're getting out of the my area of experience. I think that premium and regular will have the same additives. Gas from the same refinery sent to 7-Eleven and sent to an Exxon station will have different additives, depending on the specifications of the chain. Whether that makes any difference, I don't know.

    I do know that my bikes will not pull nearly as well when running regular as they do when running premium. With modern computer-driven fuel injection, pinging is rare. But the manufacturer sets it all up to run on a certain octane, and the engine will not be as efficient on less. Whether that results in sooty valves, I don't know.

    Meanwhile, I can burn anything in my car and it doesn't seem to make any difference, so I just get the cheapest gas for that. I buy brand-name premium for my bikes because they seem to run better on it. After all, a car is just transportation, but a bike is Life.
    '12 K1600 GT

    What is it you intend to do with your one wild and precious life? - Mary Oliver

  9. #9
    bobbobtar
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    fuel question

    Lost Texan,
    The non-oxygenated fuel is only available in premium( 91 octane ) in Minnesota,It's the only fuel I use in the RT,lawn mower, wood splitter and chain saw.

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