Fuel Octane? - Suzuki GSX-R Motorcycle Forums Gixxer.com

 
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post #1 of 13 (permalink) Old 10-29-2009, 08:44 PM Thread Starter
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Fuel Octane?

So this may sound like a dumb question but i am concerned. So i was told when i first purchased my bike 93 only!! But this afternoon i went to the gas station and at this moment i can say i completely forgot what octane i used and i am afraid it was 83!?!? is there anything i should do this is my first time putting something other than 93.
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post #2 of 13 (permalink) Old 10-29-2009, 08:48 PM
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Re: Fuel Octane?

Quote:
Originally Posted by Jayhova View Post
So this may sound like a dumb question but i am concerned. So i was told when i first purchased my bike 93 only!! But this afternoon i went to the gas station and at this moment i can say i completely forgot what octane i used and i am afraid it was 83!?!? is there anything i should do this is my first time putting something other than 93.
your owners manual should state 87 or 89 only. i know 05s take 87. using a higher octane is not recomended not advised unless stated by the OEM. I dont think any of the zukis call for 93 unless its maybe a 1k?

and where the hell do they sell 83?
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post #3 of 13 (permalink) Old 10-29-2009, 08:49 PM
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Re: Fuel Octane?

I cant say I have ever seen 83 in florida

87 is fine. That is what the bike is made for. Anything more is a waste, and might make less power anyway.

The only places I have ever seen 83 is in higher elevation areas IIRC. Like Denver maybe, Montana somewhere I think, maybe North Dakota etc.




Last edited by Moto_Joe; 10-29-2009 at 08:52 PM.
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post #4 of 13 (permalink) Old 10-29-2009, 08:54 PM
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Re: Fuel Octane?

There is a misconception in the street-racing world that high octane fuel will make your car go faster or run better. This is simply not true. The octane rating essentially rates the fuel’s resistance to knocking.

Knocking or pinging is a sound that an engine makes when the air-fuel mixture in the combustion chambers ignites too early.

The octane level required by an engine is determined by its compression ratio: higher-compression engines require higher-octane fuel.
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post #5 of 13 (permalink) Old 10-30-2009, 09:03 PM Thread Starter
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Re: Fuel Octane?

Thanks for your replies i guess ill just ride it out and choose gas wisely next time. oh and lmao i was guessing on the 83 what ever is the lowest octane in fl maybe its 87 thats what i used.
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post #6 of 13 (permalink) Old 11-20-2009, 11:43 PM
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Re: Fuel Octane?

whoa! wait i've been dropping three bucks a gallon for jack shit?!?!?! omg i'm gonna bust some ass at the dealership.

really 87 is RECOMMENDED or just ok to use?
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post #7 of 13 (permalink) Old 11-21-2009, 08:56 AM
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Re: Fuel Octane?

on a 600, recommended by the manufacturer



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post #8 of 13 (permalink) Old 11-21-2009, 08:57 AM
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Re: Fuel Octane?

it should have said it on a sticker on top of your tank if you bought the bike new



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post #9 of 13 (permalink) Old 11-21-2009, 09:54 AM
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Re: Fuel Octane?

Quote:
Originally Posted by Chocolate_Rain View Post
There is a misconception in the street-racing world that high octane fuel will make your car go faster or run better. This is simply not true. The octane rating essentially rates the fuel’s resistance to knocking.

Knocking or pinging is a sound that an engine makes when the air-fuel mixture in the combustion chambers ignites too early.

The octane level required by an engine is determined by its compression ratio: higher-compression engines require higher-octane fuel.
Well said! I dont think higher octane will hurt the motor, just your pocket.

My 06 750 owners manual states premium unleaded only.... no less than 90
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post #10 of 13 (permalink) Old 11-21-2009, 11:41 AM
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Re: Fuel Octane?

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Originally Posted by bluegixx750 View Post
Well said! I dont think higher octane will hurt the motor, just your pocket.

My 06 750 owners manual states premium unleaded only.... no less than 90
And remember that fuel stabilizer lowers octane by a couple points.

So put 93 in with your Stabil before the winter to avoid pinging in the spring.
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post #11 of 13 (permalink) Old 11-21-2009, 11:43 AM
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Re: Fuel Octane?

If you're really worried you could pour some NOS Energy Drink into the tank to boost the octane.


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post #12 of 13 (permalink) Old 11-21-2009, 04:08 PM
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Re: Fuel Octane?

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Originally Posted by Moto_Joe View Post
it should have said it on a sticker on top of your tank if you bought the bike new
i wish i bought it new but no
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post #13 of 13 (permalink) Old 11-26-2009, 03:44 AM
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Re: Fuel Octane?

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Originally Posted by camshaftgsxr View Post
really 87 is RECOMMENDED or just ok to use?
The manual does not recommend 87 (91 RON) It says to use at least "87 or higher".

Some bikes will run a bit better on the higher octane fuels. This was a British bike mag test with different fuels on a K9 1000. (in RON)
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