GL1800 Odometer Error (HUGE)


Information and questions on GL1800 Goldwings (2001-Present)
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weightdn
Posts: 7
Joined: Sun Jul 12, 2015 11:32 am
Location: Celina, OH
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GL1800 Odometer Error (HUGE)

Postby weightdn » Mon Sep 05, 2016 11:15 am



Wondering if anyone has encountered a huge error in their odometer readings and, if so, what the solution was.

On a recent trip to Wisconsin and across the top of Lake Superior, I noticed that my odometer is gaining a significant amount. I can't remember the eexact amount (will have to check again) but it was on the order of about .2 per mile. I am running Elite III tires so would expect them to be reasonably close to stock diameter. Will check again soon and post my findings. Speedometer reading is the usual 4 or 5 mph fast at 60 or is that unusual too.

Thanks,
Mike



harvey01
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Motorcycle: 2004 GL1800

Re: GL1800 Odometer Error (HUGE)

Postby harvey01 » Mon Sep 05, 2016 2:01 pm

I would try to find a marked 10 mile ride where I do not have to do a lot of stopping and ride at a constant speed, say 60MPH and then do the math. If the odometer is going to fast, then off to the dealer. If out of warranty, I really would not worry too much about it unless you need accuracy for some reason.
harvey
Ride Safe and Ride Often

weightdn
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Re: GL1800 Odometer Error (HUGE)

Postby weightdn » Tue Sep 06, 2016 11:31 am

Thanks for the reply Harvey. The mile markers is how I checked the error in the first place but I will have to do it again to verify the error. I noticed it because the couple we were traveling with started from a different location than we did and we were periodically checking total miles and I kept gaining on them, even though we went pretty much the same places. I guess the good side of it all is, it sure makes my gas mileage look good! The bike is out of warranty but only has 52k on it and, while speedometer error is typical, I think the odometer error is way out of line.

Thanks,
Mike

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MikeB
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Motorcycle: 1998 - GL1500 Aspencade.
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Re: GL1800 Odometer Error (HUGE)

Postby MikeB » Tue Sep 06, 2016 12:34 pm

If the built in Honda Speedometer/Odometer error is a concern, use a speedometer healer. 12oclocklabs has a nice little device that sells for $74.95. It is plug and play.
http://shop.12oclocklabs.com/index.php?route=product/product&product_id=59
Simple set up.

I've been using one on my 2003 GL1800 for several years.
MikeB
Tacoma, WA, USA

weightdn
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Re: GL1800 Odometer Error (HUGE)

Postby weightdn » Tue Sep 06, 2016 12:43 pm

MikeB,
How large was the error you were seeing before the 'healer' and how close is everything now?

Mike

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MikeB
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Re: GL1800 Odometer Error (HUGE)

Postby MikeB » Tue Sep 06, 2016 1:08 pm

At 70, the speedo read 75 and the Odo was about .01 off per mile. After adding and calibrating Speedo DRD, the Speedo and Odometer very closely matches the Garmin GPS speed and odometer readings.

The SpeedoDRD can be calibrated to show extremely accurate readigs. The trouble is, the Honda speedo and the odo are not 100 % accurate to each other. You need to calibrate the healer to speedo or the odo or split the difference between the two.
MikeB
Tacoma, WA, USA

weightdn
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Re: GL1800 Odometer Error (HUGE)

Postby weightdn » Tue Sep 06, 2016 1:21 pm

.01 or .1 ? I am going out right now to re-test but am pretty sure my odometer is off by a good .2/mile. Will know for sure shortly.

Thanks,
Mike

Red Ron
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Re: GL1800 Odometer Error (HUGE)

Postby Red Ron » Tue Sep 06, 2016 2:19 pm

Supposedly they corrected it with the '12 or '13 model. I know than on my '13 I have just the opposite problem. With the 60 series tire I am running the gps says about 61.5mph when the bike says 60.

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MikeB
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Re: GL1800 Odometer Error (HUGE)

Postby MikeB » Tue Sep 06, 2016 2:36 pm

weightdn wrote:.01 or .1 ? I am going out right now to re-test but am pretty sure my odometer is off by a good .2/mile. Will know for sure shortly.

Thanks,
Mike

Mine was not off by one tenth (.1) of a mile off per mile, It may have been closer to five hundredths (.05) of a mile per mile off. I recall that after about 5 miles it was one to two tenths of a mile off. I have bot seen an odometer that was off by .2 per mile. That is a huge error as you say.

I do not see it in your other posts but are you using OEM spec tires rtight? Same size? You are not running a car tire are you? Tire size make a huge difference. Even tires that are of the same size will make a difference in odometer and speed readings. My rear tire is an Avon 180/60R16.
MikeB
Tacoma, WA, USA

weightdn
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RED FACE: Was GL1800 Odometer Error (HUGE)

Postby weightdn » Tue Sep 06, 2016 5:49 pm

Well, I just got back from about a 50 mile ride to test my odometer. I used I75 mile markers, my Garmin GPS, and my 03 GL1800 gages. I came up with between .03 and .04 miles per mile high on the odometer, not .2 to .4 like I had thought. That still ends up being a good bit over a 2000 mile trip but not nearly what I thought. And - here is the red face part :oops: - I THINK I know where I came up with that screwy number - which would have been .4 per mile. Ring any bells? I THINK I was using 'mile markers' while we were in Canada. Hmmm, 1km, about .6 miles. OOPS!!!

So, thanks to all who read and thought about or responded to my "issue". Unfortunately, I don't think I can purchase something to correct the problem - MY problem that is. I may still look into that electronic device to bring the mileage into line. Now I wish I knew how accurate the odometer was on my Kawasaki Voyager XII that this Wing replaced. Guess that will just have to remain a mystery.

Thanks again,
Mike
03 GL1800

weightdn
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Re: GL1800 Odometer Error (HUGE)

Postby weightdn » Wed Sep 07, 2016 7:31 am

MikeB,
What was the installation of the healer like? Where is the connector you hook it to and how hard was it to get at? A couple hours work?

Mike

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MikeB
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Re: GL1800 Odometer Error (HUGE)

Postby MikeB » Wed Sep 07, 2016 11:21 am

I installed SpeedoDRD Model: H1

The device is installed in the electronic speed sensor line on the right hand side of the bike just behind the right side cowling. The device works great and does indeed correct the speedometer. I have been using mine for several years now and have been very satisfied with it.

Look at the picture below for the plug - this is on the right hand side of the bike. The black rubber boot where the plug is located was just to the left of my lower air vent when I took the top shelter off.

It can be accessed without taking off the shelter but it is pretty tight. I installed them on four different wings without having to remove the shelter.


Mike
MikeB
Tacoma, WA, USA

hondapotamus
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Location: Cambridge, Ontario, Canada
Motorcycle: 2001 GL1800A Goldwing

Re: GL1800 Odometer Error (HUGE)

Postby hondapotamus » Wed Sep 07, 2016 11:51 am

I have an '01. The speedometer (therefore odometer) with the stock 60 series tire is about 5% off. My experience with other folks of similar vintage - they are all the same (4-7% off).

If you switch a 70 series tire on the back (0.5 in taller, 1" more in diameter) (the Valkyrie tire), the speedometer is virtually exact with the added benefit of making it easier to put it up on the centre stand. No added electronics required - just switch when you need a new tire.

TC

weightdn
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Re: GL1800 Odometer Error (HUGE)

Postby weightdn » Thu Sep 08, 2016 11:55 am

Hondapotamus,
Thanks for the rear tire suggestion. However, I am already vertically challenged and that extra 1/2 inch just might be my undoing. I have been considering a sheepskin cover for my seat but am holding off for the same reason.

Thanks again,
Mike

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waituntilthebeep
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Re: GL1800 Odometer Error (HUGE)

Postby waituntilthebeep » Thu Sep 08, 2016 2:09 pm

Just because I have not had a creative outlet for my sarcasm today... sorry in advance (but it was the first thing to pop into my head while reading your post).

The sheepskin seat cover won't have any effect on the speedo... but it will make you feel taller :roll: :P

WHEEEEW! I feel better now. Thank you....

Grant

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PastoT
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Re: GL1800 Odometer Error (HUGE)

Postby PastoT » Thu Sep 08, 2016 3:55 pm

You're not alone, some use a 70 series rear wheel, some refer to GPS for speed, many use an electronic converter. I installed a Speed Healer and mounted it in the right glove box. Works like a champ and installed in maybe 30 minutes, hardest part is accessing the wire boot under the right shelter side. It will correct speed and that pretty much fixes odometer too (there is some difference for what ever reason, but its much closer also). My speedo is dead on accurate now. There are several companies that make such devices.

http://www.healtech-electronics.com/products/sh/


Tom, in Mountain Home, Idaho
2002 GL1800 (Illusion Red) Non-ABS, 108k miles
Retired Air Force

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