What fuel Octane are you using? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 19 Old 06-18-2007, 09:13 PM Thread Starter
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What fuel Octane are you using?

I have a 2006 DL1000 with about 12,000 km. I have noticed a pinging sound durring moderate to hard acceleration from about 4000 rpm. It only pings a few times. I normally use 87 octane but have tried 89 & 91 octane and have noticed the noise is gone.The motor seems to run better as well. When I went back to 87 octane the ping came back.
The manual says to use 91 but there is a section for Canada that says to use 87.
I don't know if they measure octane differently between the U.S and Canada or weather there is something done differently in the ignition module.
Has anyone had any similar experiance?
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post #2 of 19 Old 06-18-2007, 09:47 PM Thread Starter
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Thanks for the info
I'll stick with the 91 (in Canada) since it seems to fix the problem.
It's about 15 cents a litre more which is about $3.00 extra for a full tank. Not a high price to pay for better performance.
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post #3 of 19 Old 06-18-2007, 09:58 PM
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a mechanic friend recommended the mid range octane over the 87. my bike didn't like to pull from 2000 rpm very much. so i put it in and it seems like a new bike now, pulling comfortably from 2000, and the 3200 rpm "chudder" seems less also.
i have a feeling if everything was tuned properly i wouldn't need the better gas, but i just got it and haven't done any work on it yet.
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post #4 of 19 Old 06-18-2007, 10:05 PM Thread Starter
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Quote:
Originally Posted by savvy View Post
a mechanic friend recommended the mid range octane over the 87. my bike didn't like to pull from 2000 rpm very much. so i put it in and it seems like a new bike now, pulling comfortably from 2000, and the 3200 rpm "chudder" seems less also.
i have a feeling if everything was tuned properly i wouldn't need the better gas, but i just got it and haven't done any work on it yet.
mike
It ran fine on the 89 Octane as well. I have 12k on it and should probably change the plugs but I figured I would wait until the end of the season.
That front plug is pain to get to.
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post #5 of 19 Old 06-18-2007, 10:27 PM
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My Vee is corn-fed with 89 octane gasohol. So far, after 1200 miles, it's getting 44 mpg at average speeds of 65 to 75 mph. And no pinging that I've heard.

I did run one tankful of 87 octane non-gasohol (regular swill) and the mileage dropped to 39 mpg. Could have been higher revs or fighting wind as well as this has been the windiest spring in many years in Iowa.

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post #6 of 19 Old 06-18-2007, 10:29 PM
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Quote:
Originally Posted by greywolf View Post
87 in the US is 91 in Canada. US uses (R+M)/2 whereas Canada uses R only.
Actually that is incorrect. Canada and the US both use the (R+M)/2 value for octane rating. As such the standard gasolines available in Ontario are 87, 89, and either 91 or 94 depending on which brand is available. Minor variations may exist in different regions due to elevations etc, but as I haven't been to BC I haven't had the opportunity to verify that yet.

Incidentally, my 650 runs just fine on regular grade 87 octane fuel.

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post #7 of 19 Old 06-18-2007, 10:49 PM
 
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Quote:
Originally Posted by Super Dave View Post
Thanks for the info
I'll stick with the 91 (in Canada) since it seems to fix the problem.
It's about 15 cents a litre more which is about $3.00 extra for a full tank. Not a high price to pay for better performance.

Hey SuperDave, how did you fit a 6 gallon tank on your DL? That must be some sight!

Math = $3.00 / 0.15 = 20 litres = 5.2 gallons

Also, do you run your tank dry before filling up?
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post #8 of 19 Old 06-18-2007, 10:53 PM
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I did notice recently that the 1000 was pinging ever so lightly with the 87. I think I will go up to the 89 next tank and see if that cures it a bit.

Jim
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post #9 of 19 Old 06-18-2007, 11:01 PM
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I run 87 when it is mild or Winter, but I sometimes run 89 in the Summer heat.

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post #10 of 19 Old 06-18-2007, 11:14 PM
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Quote:
Originally Posted by sbdep View Post
Actually that is incorrect. Canada and the US both use the (R+M)/2 value for octane rating.
Sorry. Thanks. I deleted the erroneous message. I was thinking about a recent Australian post. Too many mostly English speaking countries. I should have realized it when the availability of 87 was mentioned.

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