1990 gl1500


Information and questions on GL1500 Goldwings (1988-2000)
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bridan
Posts: 4
Joined: Sat Mar 08, 2014 7:52 am
Location: lebanon, Maine
Motorcycle: 1990GL1500
Aspencade"

1990 gl1500

Postby bridan » Sun Apr 06, 2014 8:00 am



just bought a 1990 gl1500 aspencade and brought to the local shop for a tune up. . bike runs awesome, my any concern is that at 65 mph I'm doing 3 grand on my tach. is this normal. Second i'm only getting getting 150 miles a tank full.. the local shop told me that this is normal due to the age of my bike

ty inadvance



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Fatwing Chris
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Location: Ont.,Canada
Motorcycle: 2004 ABS Model Goldwing

Re: 1990 gl1500

Postby Fatwing Chris » Sun Apr 06, 2014 8:15 am

Yep the tach is reading about right.As far as the 150 miles to a tank,that's doubtful.The fuel guages on the 15's are famously inaccurate.My needle would go below the E at the bottom.No low fuel light and would still have more than a gallon of fuel in it.Some have pulled the sending unit and bent the float arm to make them read closer.I never bothered on mine I usually reset the odometer when I fueled up as I knew how far it would go on a tank.Good luck with the new bike and welcome to the forum.
PS You could fill it,drive it untill it says empty,fill it again and see how many gallons you can squeeze into it.Seems to me they hold approx 6 1/2 gallons.I'd have to check though.
If I'da known it would last this long,I'da taken better care of it.
Chris
Double Dark
Darkside # 1602

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Mag
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Location: Silverlake, WA
Motorcycle: 1982 Yamaha Venture (Crashed/Sold)
1982 1100 Silver Goldwing (sold)
1989 1500 Beige Goldwing (sold)
1988 1500 Beige Goldwing (current ride)

Re: 1990 gl1500

Postby Mag » Sun Apr 06, 2014 10:31 am

Ya, Fatwing is right, 6.6 gallons. I keep reading that the average published mpg is 32 mpg, so I am right on the button. I get paranoid when the needle hits empty and I keep running. I did try to push it and get to 190 miles on the tank, but decided to stay at that 150 range and fill up. Unfortunately it is 135 miles round trip for me at work so I am filling up each time I go.

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mikelens
Posts: 56
Joined: Mon Jun 10, 2013 9:48 pm
Location: Bay Shore, New York
Motorcycle: 1990 GL1500

Re: 1990 gl1500

Postby mikelens » Sun Apr 06, 2014 3:07 pm

I just finished a 500 mile trip on my '90 GL1500. Riding the back road twisties & some highway; I averaged 37 MPG. On the ride home we went strictly highway & got a lil over 41 MPG. My understanding is it's a 6.3 gl tank; making it a range of 230 - 260 miles.

bridan
Posts: 4
Joined: Sat Mar 08, 2014 7:52 am
Location: lebanon, Maine
Motorcycle: 1990GL1500
Aspencade"

Re: 1990 gl1500

Postby bridan » Sun Apr 06, 2014 7:08 pm

has anyone tried to do a gear reduction on the rear end?? change the gear ratio

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robb
Posts: 1040
Joined: Mon Jul 19, 2010 7:46 pm
Location: Lexington, North Carolina
Motorcycle: 1989 Honda GL1500 Aspencade

Re: 1990 gl1500

Postby robb » Sun Apr 06, 2014 7:22 pm

My bike hits red mark on gauge usually between 150-180 miles. Usually takes 3.2 to 3.8 gallons. Let it hit lower side of red mark once and it only took 4.5 gallons to fill. Could not see fuel but could hear it rocking bike. It's OK that way cause I want to stop at 150 mile intervals, 2 up she says 100 and I make a habit of stopping where filling tank is convenient.

By the way I have never seen the low fuel light come on. Don't even know it works.

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Mag
Posts: 1298
Joined: Sun Mar 25, 2012 11:58 am
Location: Silverlake, WA
Motorcycle: 1982 Yamaha Venture (Crashed/Sold)
1982 1100 Silver Goldwing (sold)
1989 1500 Beige Goldwing (sold)
1988 1500 Beige Goldwing (current ride)

Re: 1990 gl1500

Postby Mag » Sun Apr 06, 2014 11:31 pm

Ya, I do not know if my "low fuel" light works, but I look at it this way, I can not stay on a bike longer than 2 hours anway, so 150 miles is fine by me ;)

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ct1500
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Location: Glastonbury,CT
Motorcycle: 1988 GL1500
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Re: 1990 gl1500

Postby ct1500 » Mon Apr 07, 2014 2:38 am

mikelens wrote:I just finished a 500 mile trip on my '90 GL1500. Riding the back road twisties & some highway; I averaged 37 MPG. On the ride home we went strictly highway & got a lil over 41 MPG. My understanding is it's a 6.3 gl tank; making it a range of 230 - 260 miles.


About the exact same I get. 36-44 MPG with the usual being 40-42 taking it somewhat easy. The 44 was miles and miles of 45-50 MPH riding in top gear.
This is what I do
Local and need repair help with your 1500, Valkyrie or ST please PM

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robb
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Location: Lexington, North Carolina
Motorcycle: 1989 Honda GL1500 Aspencade

Re: 1990 gl1500

Postby robb » Mon Apr 07, 2014 9:05 am

With my wife on back the load is under 350 pounds but I get 40-44 mpg if speeds are 70 mph or less. My last 1300 mile trip solo was good for 49 mpg and it was not babied. Run the Dragon ( Dills Gap ) twice in 1 day and still got just over 38 mpg. My buddy rides a 88 GL1500 and is usually 5 mpg less solo and little less 2 up. He's taller than me, weigh 10 pounds less and his wife might weigh 100 with full riding gear.

I run a full synthetic fluid setup and the tall Tulsa shield yields better fuel economy in it's highest position. My buddy prefers a short shield and a full face helmet. Calls my shield a sail in the wind, but it is a smooth ride even on a windy day.

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truckindrummer
Posts: 48
Joined: Mon May 20, 2013 2:53 am
Location: Wabash, Indiana
Motorcycle: 1993 GL1500A Aspencade
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Re: 1990 gl1500

Postby truckindrummer » Mon Jul 07, 2014 9:34 pm

Manual says 6.1 gal. tank..think in terms of 5gal with 1.1 gal. reserve. My bike avgs. 40-42 on highway and about 37-38 otherwise. I proved to my bro-in-law that uses strictly premium gas in his 99 last year on an 800 mi. trip that me using reg. 87 octane got the same and in a few instances a little better mpg than he. I might run a 1/2 tank of premium once a month or so just to clean out the system but that's about it. Personal preference is what it is brother...
"Always protect yourself, your family, your Country, your Flag, your Rights, your Constitution. Calm down and carry.." Member Indiana Patriot Guard Riders

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WingAdmin
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Posts: 17045
Joined: Fri Oct 03, 2008 4:16 pm
Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: 1990 gl1500

Postby WingAdmin » Tue Jul 08, 2014 11:52 am

truckindrummer wrote:Manual says 6.1 gal. tank..think in terms of 5gal with 1.1 gal. reserve. My bike avgs. 40-42 on highway and about 37-38 otherwise. I proved to my bro-in-law that uses strictly premium gas in his 99 last year on an 800 mi. trip that me using reg. 87 octane got the same and in a few instances a little better mpg than he. I might run a 1/2 tank of premium once a month or so just to clean out the system but that's about it. Personal preference is what it is brother...


As you have discovered, you'll get a bit LESS power and mileage out of the higher octane fuel. Without being able to alter the compression to take advantage of the higher detonation threshold, the higher octane fuel will run normally (albeit producing slightly less power) and do no damage whatsoever except to your wallet. Using higher octane fuel in an engine designed for a lower octane fuel is an waste of money and makes your engine perform more poorly - despite what the oil company marketing departments would have you believe.

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truckindrummer
Posts: 48
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Location: Wabash, Indiana
Motorcycle: 1993 GL1500A Aspencade
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Re: 1990 gl1500

Postby truckindrummer » Wed Jul 09, 2014 12:20 pm

Thx for the feedback Admin...I never believe anything those meatheads say anyway. That's probably why I got a little better fuel mpg than my b-I-law on a few tanks. He's so delusioned about these bikes sometimes it just amazes me. By the way thx very much on the how-to article on the cruise and sub-air filters. I changed mine yesterday and found the sub filter exactly in the same condition as yours in the pic...crumble city!! It's probly never been changed since the bike was new in 93. Your pics and all were a big help to a guy fairly new to Wings and the fact we're getting ready for a 1200 mile trip to mountainous territory and going to ride the Dragon Tail so the bike will be pulling a little harder than usual. Thx to you and your site you probably saved me an engine!! One thing tho...I don't quite understand the function of the cruise filter, could you explain it's necessity?? Thx again..to you and everyone who contributes as well!!!
"Always protect yourself, your family, your Country, your Flag, your Rights, your Constitution. Calm down and carry.." Member Indiana Patriot Guard Riders

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WingAdmin
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Posts: 17045
Joined: Fri Oct 03, 2008 4:16 pm
Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: 1990 gl1500

Postby WingAdmin » Wed Jul 09, 2014 7:52 pm

truckindrummer wrote:Thx for the feedback Admin...I never believe anything those meatheads say anyway. That's probably why I got a little better fuel mpg than my b-I-law on a few tanks. He's so delusioned about these bikes sometimes it just amazes me. By the way thx very much on the how-to article on the cruise and sub-air filters. I changed mine yesterday and found the sub filter exactly in the same condition as yours in the pic...crumble city!! It's probly never been changed since the bike was new in 93. Your pics and all were a big help to a guy fairly new to Wings and the fact we're getting ready for a 1200 mile trip to mountainous territory and going to ride the Dragon Tail so the bike will be pulling a little harder than usual. Thx to you and your site you probably saved me an engine!! One thing tho...I don't quite understand the function of the cruise filter, could you explain it's necessity?? Thx again..to you and everyone who contributes as well!!!


The cruise control uses engine vacuum in order to operate the actuator that moves the throttle. There are solenoid valves that open and close to allow vacuum in and out of the actuator to move the throttle. When air is brought in to replace the vacuum when the actuator is moving, it has to come from somewhere, and it also has to go through a solenoid valve. You don't want dust and grit getting into all of that, so the air that is brought it is brought in through that cruise filter.

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truckindrummer
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Location: Wabash, Indiana
Motorcycle: 1993 GL1500A Aspencade
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Re: 1990 gl1500

Postby truckindrummer » Wed Jul 09, 2014 8:43 pm

Ahhhhh, I get it. Much appreciate the lesson brother...ride safe.


"Always protect yourself, your family, your Country, your Flag, your Rights, your Constitution. Calm down and carry.." Member Indiana Patriot Guard Riders


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