New to me 2004 GL1800 in the house! Wobble, pressure etc


Information and questions on GL1800 Goldwings (2001-Present)
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gof
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New to me 2004 GL1800 in the house! Wobble, pressure etc

Postby gof » Sat Sep 01, 2012 8:42 pm



Ok, I did my deal today at a dealer over in Illinois. 3 hour ride to get there on my Yamaha Warrior trade in! Now that was painful long ride.
I also had a nice ride in the rain coming home.

The 2004 is in great shape. I did notice the deceleration wobble, but I was somewhat aware that could exist on the GL1800's, so I did the deal.

One owner, recalls done, 46k, ABS,
Brand new rear tires,
sub new 3k front tire,
Road Sofa seat,
Traxxion suspension,
Kuryakan pegs front center and rear,
Kuryakan luggage rack,
CB, CD, heated grips, external GPS.

I spoke with the previous owner. He never had any issue except for alternator which was new last year. New fluids, brake pads this spring.

So...what tire pressures should I be running front and rear? I understand the wobble can be head bearings or tires. I will post pics and get tire information soon.



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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby seabee_ » Sat Sep 01, 2012 8:47 pm

40/41 is a good start. Check the front for any looseness in the bearings and steering stem.
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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby WingAdmin » Sun Sep 02, 2012 10:29 am

Yup, that's a good start. Put it up on the center stand, have someone (carefully) sit on the back seat to get the front wheel in the air, and try moving the front wheel from front to back and side to side to check for steering head bearing looseness. You can also spin the wheel and listen/feel for bearing grinding, as well as try to rotate the wheel sideways to check for hub bearing play.

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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby thrasherg » Sun Sep 02, 2012 10:38 am

Congrats on the bike, was it the full traction suspension or just fork springs? The rear traction shock lifts the back of the bike about an inch over stock ( when you are sat on the bike) and greatly improves the handling in the bends..mad stated 40 psi front, 42psi rear is a good starting point.nas you have the traction suspension, you should also consider disabling the front anti dive (if it hasn't already been done). Hope you like the bike.

Gary

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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby gof » Sun Sep 02, 2012 12:44 pm

seabee_ wrote:40/41 is a good start. Check the front for any looseness in the bearings and steering stem.


Looks like Honda had left it at 25F and 32 R - I pumped it up to 40 front and 41 rear. I also noticed my pre-load with one up feels best at 0 - It was about halfway up which was very harsh!

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gof
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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby gof » Sun Sep 02, 2012 12:46 pm

thrasherg wrote:Congrats on the bike, was it the full traction suspension or just fork springs? The rear traction shock lifts the back of the bike about an inch over stock ( when you are sat on the bike) and greatly improves the handling in the bends..mad stated 40 psi front, 42psi rear is a good starting point.nas you have the traction suspension, you should also consider disabling the front anti dive (if it hasn't already been done). Hope you like the bike.

Gary


I was told by the previous owner its the full monty - Traxxion front fork and rear spring - ANTI Dive is disabled. I checked today I do not see any fork brace. I intend to try the Centramatic balancers first and then a fork brace. I confirmed the wobble is between 47 and 42, not much under that. Will test more just so I know where it was if I get rid of it. I confirmed today I can live with it, it's just an annoyance. I am indeed Running Dunlop E3's front and rear.

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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby gof » Sun Sep 02, 2012 12:50 pm

WingAdmin wrote:Yup, that's a good start. Put it up on the center stand, have someone (carefully) sit on the back seat to get the front wheel in the air, and try moving the front wheel from front to back and side to side to check for steering head bearing looseness. You can also spin the wheel and listen/feel for bearing grinding, as well as try to rotate the wheel sideways to check for hub bearing play.
Exactly. I intend to do this. I thought I noticed more road noise almost "roaring" yesterday. But I also read the Dunlop E3's can be noisy. I was thinking wheel bearings or head bearing worst case. He was a heavier rider 300 lbs. But... today I don't think that noise was there with the air pressure correct and and pre-load at zero. It's worth a check for sure and also to check for headset looseness.

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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby thrasherg » Sun Sep 02, 2012 9:09 pm

As you have the full monty traxxion suspension, 0 preload is correct for 1 up riding, I bump it up to 10 with a passenger, and will probably go to 20 with a passenger and fully loaded panniers.. You definitely want a lot more air than 25/32 that Honda states, start with the recommended 41/42 and after a while you can let a bit of air out and see if you prefer the change or not.. I doubt you will but it's good to try and it will let you know what the bike feels like with low tyre pressures so you can recognize it in the future and know when you have to pump them up a bit..

Gary

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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby phils » Mon Sep 03, 2012 4:30 am

Hi all
I have fork brace and centramattics and head races but the wobble stayed.
I switched to Pirelli tyres, the snake ones, and it went away, ironically not when I did the front but when the rear was done!
I have since tried and tried to get it to wobble but it will not.
Only issue was wheel balance is slightly out, not enough to get me to check but I assume the shop balanced the front wheel, ie with centralmattics on board, sooner or later will check and pull weights off!
Phil

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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby gof » Tue Sep 04, 2012 10:11 pm

thrasherg wrote:As you have the full monty traxxion suspension, 0 preload is correct for 1 up riding, I bump it up to 10 with a passenger, and will probably go to 20 with a passenger and fully loaded panniers.. You definitely want a lot more air than 25/32 that Honda states, start with the recommended 41/42 and after a while you can let a bit of air out and see if you prefer the change or not.. I doubt you will but it's good to try and it will let you know what the bike feels like with low tyre pressures so you can recognize it in the future and know when you have to pump them up a bit..

Gary


40/41 seemed awful harsh on road cracks. Traxxion suggested 36/38 and that seems a bit better. I was hoping to run at this lower pressure and possibly try Centramatics to extend tire life running at this pressure. I don't understand why the GL1800 has these lower profile type tires on it. What happened to the balloon like tires from the 80's? Wouldn't those be more suitable to a heavy bike?

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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby DLCwing » Sat Dec 01, 2012 12:36 am

My 1000 and 1200 cc Goldwings had the wobble between 32 and 43 mph. My 2002 1800 had it at any speed, when I had it on cruise and took my hands off of the grips the wobble would start immediately. Like you I did a lot of reading on the internet. Installed a brace between the tubes, changed type of fluid in the forks, changed the springs in the forks, installed the tapered bearings in the triple tree. Next I replaced the fork tubes, upper and lower and still had the wobble. As an aircraft mechanic I have inspected a lot of bearing so finally removed the wheel bearings, rotated them in my hands, they felt good. Still, I went to a local motorcycle dealer but he did not have the bearings supplied by Honda, said an after market bearing was all he had so I bought 4 bearings, I had the wheel off and he only charged me $15. to install the new ones. I reinstalled the wheel and now after about 25,000 miles I still have no wobble at any speed.

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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby Timma04 » Sat Dec 01, 2012 10:50 am

Congrats on your purchase! I also have an '04, bought in 8/11 with a Harley trade in (they still have it!). You will really enjoy the scoot, as my wife and I have. Went to Estes Park this year and was blown away by the superior performance and ride of this 'cadillac crotch rocket'!

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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby PastoT » Tue Jun 04, 2013 12:38 am

I have an 02 with E-3s on and failed to check tire pressure fisrt ride after the snow cleared. From tire was low and when I checked it kicked myself; at 30 psi I put 100 miles on and cupped the tire bad enough that the minor wobble increased 100%. It never got our of control but I replaced front and all was good immediately. I replaced the rear also a month later and I also lost the humming I heard in turns. I have 50K plus miles and head bearings were fine but retorqign them would be my next test. Being its new to you I'd also check that any recalls for your machine have been attended to.
Tom, in Mountain Home, Idaho
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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby Buckskin » Wed Aug 07, 2013 7:29 pm

You list the accessories as having Traxxion suspension. You need to find out if you have just the forks or those and the billet aluminum triple tree. If that is the case, you should have the tapered bearings and they should be torqued to 30 ft lbs.
Something is missing here.
How did they tell you about the Traxxion suspension? I have a feeling you don't have the tapered bearings if you still shake.
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Re: New to me 2004 GL1800 in the house! Wobble, pressure et

Postby Buckskin » Wed Aug 07, 2013 7:45 pm

Shop should not balance wheels with Centramatics on. Will skew the balance process. Remove weights now. Have been installing Centramatics on my exchange chrome wheels for 3 years now. Over 100 sets now.
Do you have All Balls? If not, get them and torque to 30 ft lbs.
Have done 165 installs over 10 years.
Buckskin


phils wrote:Hi all
I have fork brace and centramattics and head races but the wobble stayed.
I switched to Pirelli tyres, the snake ones, and it went away, ironically not when I did the front but when the rear was done!
I have since tried and tried to get it to wobble but it will not.
Only issue was wheel balance is slightly out, not enough to get me to check but I assume the shop balanced the front wheel, ie with centralmattics on board, sooner or later will check and pull weights off!
Phil




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