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Old 10-10-2008, 08:26 AM   #241
Karel
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Location: Georgia
Oddometer: 115
Gasoline question??

I asked my dealer what grade gasoline I should be using for the 800 and he told me 89 octane, but I believe that the manual says 93. What grade of gasoline do run on your bike?
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Old 10-10-2008, 09:51 AM   #242
DolphinJohn
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Always run the highest you can get.
(I'm no expert)
Just seems logicalal
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Old 10-10-2008, 11:23 AM   #243
SS in Vzla.
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I'm no expert either, but I'd run the lowest octane I could get away without any pinging from the engine. Anything else looks like wasting money to me. OTOH what do I know, cheap fuel is the only good thing we have here...
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Old 10-10-2008, 11:39 AM   #244
WoodWorks
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Quote:
Originally Posted by SS in Vzla.
OTOH what do I know, cheap fuel is the only good thing we have here...
Oh? What about all your beautiful women?

David
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Old 10-10-2008, 12:31 PM   #245
stevets
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Handguards

What Handguards did you use? The photos look like Cycra ProBend

Were they easy to install?
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Old 10-10-2008, 12:32 PM   #246
SS in Vzla.
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Quote:
Originally Posted by WoodWorks
Oh? What about all your beautiful women?

David
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Old 10-10-2008, 03:04 PM   #247
DolphinJohn
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Quote:
Originally Posted by SS in Vzla.
I'm no expert either, but I'd run the lowest octane I could get away without any pinging from the engine. Anything else looks like wasting money to me. OTOH what do I know, cheap fuel is the only good thing we have here...
Higher octane= more hp and better mileage.
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Old 10-10-2008, 04:39 PM   #248
Gillies
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Quote:
Originally Posted by DolphinJohn
Higher octane= more hp and better mileage.
Fraid not. Pinging only.
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Old 10-10-2008, 04:50 PM   #249
Orpheus
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Use the specific octane rating recommended for your engine in the manual. Going higher or lower has deleterious effects on both power and mileage. The only exceptions are if the engine mapping is specifically programmed to respond to a different octane rating.

Seriously.
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Old 10-10-2008, 06:03 PM   #250
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Yeah, deleterious effects

that's what I meant

deleterious
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Old 10-11-2008, 08:29 AM   #251
Deans BMW
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Quote:
Originally Posted by DolphinJohn
Higher octane= more hp and better mileage.
Wrong,

You get the best milege and power running the lowest octain that you can use with out pinging or detonation.

With all things being equal, the higher the elevation that you ride at, the lower octane that you can use.

Higher octane pump gas is not a higher quality or better gas, it has a slower flame front (burns slower) and is harder to ignite,ie requires a higher temp to ignite.

You are doing your bike or yourselves no favors when running premimum when not needed.
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Old 10-11-2008, 11:14 AM   #252
PackMule
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Sticker on my filler cap says "Intermediate" Premium, minimum 89 octane.
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Old 10-11-2008, 12:14 PM   #253
cba191
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Quote:
Originally Posted by Deans BMW
Wrong,

You get the best milege and power running the lowest octain that you can use with out pinging or detonation.

With all things being equal, the higher the elevation that you ride at, the lower octane that you can use.

Higher octane pump gas is not a higher quality or better gas, it has a slower flame front (burns slower) and is harder to ignite,ie requires a higher temp to ignite.

You are doing your bike or yourselves no favors when running premimum when not needed.
so what octane are you saying to use? 91 or 89?
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Old 10-11-2008, 06:03 PM   #254
Dave92029
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F650GS say 87 AKI Regular on the fuel cap

Here is an interesting article they may help or confuse.

http://www.ibmwr.org/otech/octane.html
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Old 10-11-2008, 06:12 PM   #255
Deans BMW
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Quote:
Originally Posted by cba191
so what octane are you saying to use? 91 or 89?
Prolly down in your area, esp in the summer, premimum, up here regular.
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