Gl1500 fuel mileage - Page 6 - Steve Saunders Goldwing Forums

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post #51 of 68 (permalink) Old 09-04-2017, 01:50 PM
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I just returned from Eureka Springs today, and used the 4 lanes and 80 mph when legal to do so, at 65 mph most of the way once out of the Arkansas twisties for the first 25 miles or so.

I was pulling my trailer, which is a square wooden box, and the windshield is an Optic Armor +4 and it pushes a lot of air in front of you.... that is evidenced by being almost impossible to hold your arm up straight above it at 80 mph....you have to push like hell to hold your arm in place.

On this one trip, which BTW was Pure Gas which I bought just for grins..... was the worst MPG that I have recorded this summer. That will be the last time I waste any money on Pure Gas for my 1800, it just does not compute with the wallet.

Result? 28.68 mpg as recorded by Fuelio

The trip going to Eureka Springs was on the rural roads and speeds of 55 usually and sometimes 60 or 65 in a few places. That one tank of gas returned 35.37 mpg.

I made it a point to always fill the tank to the very tip top of the filler neck, this takes a lot of little niggling clicks to do so, but it produces the most accurate fillup measurement.... ( disregarding different pumps and their readings )

Here is a list of this summer's tank reports:

28.68 pulling trailer at max speed possible

33.75 running twisties around ES.

35.37 w/ trailer going to ES

29.4 w/trailer going to ES

29.55 no trailer, just messing around locally, lots of 4 lanes

32.81 no trailer, just messing around locally, lots of 4 lanes

and that is all I have ridden the bike this year.

I pretty much agree with galaxyhunter, and I have commented on this several times, it is how fast you run, and how big is the sheet of plywood in front of you that we call a "windshield"

for a different reason, I am going to have to trim down, or change my windshield, the +4 version is about 6 inches too tall to go inside my Toy Hauler's garage... so changes are coming....

~ John
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post #52 of 68 (permalink) Old 09-04-2017, 01:57 PM
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Now, on the one tank of gas that we ran the twisties on, I was following DaveO430.

he has a shorter windshield, and he got 45 mpg on the same tank of fuel that I recorded 35.37

no trailers involved, just having fun at speeds of 15 mph up to 45 or 50 mph sometimes.

in a few places, we were able to get to 65 for a couple or three miles.

so, why the huge discrepancy between Dave's bike and my bike?
The only difference is mine is an '02 and his is a 2010 IIRC w/shorter windshield.

~ John
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post #53 of 68 (permalink) Old 09-04-2017, 02:49 PM
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Now, on the one tank of gas that we ran the twisties on, I was following DaveO430.

he has a shorter windshield, and he got 45 mpg on the same tank of fuel that I recorded 35.37

no trailers involved, just having fun at speeds of 15 mph up to 45 or 50 mph sometimes.

in a few places, we were able to get to 65 for a couple or three miles.

so, why the huge discrepancy between Dave's bike and my bike?
The only difference is mine is an '02 and his is a 2010 IIRC w/shorter windshield.
Going to Oark we were going mostly down hill and I was running pretty easy comparatively. Going back to ES we ran some harder (still easy compared to what I do usually) and going mostly up hill I got about 41. I did reach xxx speeds a couple times.

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post #54 of 68 (permalink) Old 09-04-2017, 03:12 PM
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It would be interesting to see what the fuel mileage results would be if Dave and John swapped bikes and rode a tank or two out. It might be that John's riding style is why he doesn't get much gas mileage. He said his previous 1500s didn't get up in the 40s either.

Larry

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post #55 of 68 (permalink) Old 09-04-2017, 04:29 PM
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if the road is straight, I set the cruise control and leave it alone at the speed limit +3

in the twisties, I probably am a bit lighter than most, as my "get up and go" done got up and went after my accident with the semi-truck.

~ John
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post #56 of 68 (permalink) Old 09-04-2017, 05:06 PM
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John,
Are your O2 sensors old. If they get old and lazy that will affect fuel mileage. Most cars have crosscounts but I don't think that info is available on your bikes. The more times O2 sensor voltage passes back and forth over perfect the better the fuel mileage. I know there are other possibilities but this is common for old sensors.

Mike

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post #57 of 68 (permalink) Old 09-04-2017, 05:48 PM
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John,
Are your O2 sensors old. If they get old and lazy that will affect fuel mileage

Hey, everything about John is old and lazy, but I doubt if he has any O2 sensors...


...oh, you meant his bike?

Okay, never mind.
.

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post #58 of 68 (permalink) Old 09-04-2017, 06:08 PM
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I asked DaveO430 about the O2 sensors, and he ruled them out.

~ John
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post #59 of 68 (permalink) Old 09-04-2017, 07:31 PM
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I asked DaveO430 about the O2 sensors, and he ruled them out.
Just thought I would throw that out there...
Dennis, I can't find a smilie with it's tongue sticking out.

Mike

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post #60 of 68 (permalink) Old 09-04-2017, 07:34 PM
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Just thought I would throw that out there...
Dennis, I can't find a smilie with it's tongue sticking out.
What about this?

Advise given here is free and comes with no warranty "Caveat emptor"

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