Twisted Forks ?


Information and questions on GL1100 Goldwings (1980-1983)
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jimschevey
Posts: 13
Joined: Thu Mar 31, 2011 11:04 am
Location: salem,wv
Motorcycle: 1982 GL1100A Aspencade

Twisted Forks ?

Postby jimschevey » Mon Apr 09, 2012 7:39 am



i came across a 1980 goldwing interstate over the weekend that was in great condition, low miles, but the fellow that owned it said that he ran into a loose berm, and lost control. the front wheel is facing towards the right but the handlebars are facing straight ahead. the forks are not bent.i have an 83 interstate but i can not tell what could have loosened up and twisted. i have done all sorts of maintenance on mine but have never worked on forks. any ideas what could be the cure for this bike. i want to buy this bike and use as a second ride. thanks



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thrasherg
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Re: Twisted Forks ?

Postby thrasherg » Mon Apr 09, 2012 11:46 am

If he didn't hit anything solid, then the forks are probably just twisted in the yokes. The best solution is to put the bike on its center stand, then either put weight on the pillion seat, or a jack under the engine, to get the front wheel in the air, then loosen the bolts in the upper and lower yokes that clamp the for upper tubes. Loosen any fork brace that is attached, often this alone will allow the forks to spring back straight, but if it doesn't you can just grip the front wheel between your knees and then with your hands pull on the handlebars to pull the front end back to straight, then tighten the clamps on the yokes (bottom and top).
It is a good idea to bounce the front end up and down a few times after this procedure to make sure everything is moving smoothly and correctly. But that is usually all that is needed.
The yokes could be twisted, but if he didn't hit anything solid, they are probably fine and its just the upper tubes twisted in the yokes..

Hope this helps.

Gary

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virgilmobile
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Re: Twisted Forks ?

Postby virgilmobile » Mon Apr 09, 2012 11:55 am

A more involved method is to do all that and remove the front wheel and tubes,leaving the forks hanging out.Use a 12" square piece of glass and lay it against the forks.this will quickly show if they are exactly true.It takes more time but is dead accurate.
You can get it close for a test and then this when it's time to change the seals.

jimschevey
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Motorcycle: 1982 GL1100A Aspencade

Re: Twisted Forks ?

Postby jimschevey » Fri Apr 13, 2012 7:46 pm

well i bought the goldwing. i loosened the clamps on the top and bottom and attempted to straighten the wheel but could not get it the way it should. i pulled both forks and yep, one of the forks was bent bad. i dont know why i could not see it while it was on the bike. does anyone know where i can buy a pair of forks reasonable. oh, and i guess i need a 19 inch wheel, it was busted in around the center. great looking bike. even with needing forks and a wheel i still believe i came out ahead. it will run the road again. thanks

jimschevey
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Motorcycle: 1982 GL1100A Aspencade

Re: Twisted Forks ?

Postby jimschevey » Fri Apr 13, 2012 7:56 pm

i just found a set of forks on e-bay for 80 dollars. just needs seals replaced. how hard is this to do. i do have a service manual. guess i need to do some reading

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RoadRogue
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Re: Twisted Forks ?

Postby RoadRogue » Sat Apr 14, 2012 9:52 pm

You might as well replace the bushings as well while you have the forks apart. If you are real serious about this bike you might as well add Progressive Suspension springs (about $100) to replace the sagged out 32 year old stock springs.Rebuilding the forks is really easy. You will be very pleased with the result. 8-)
Ride safe, Todd
Over night campers welcome

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thrasherg
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Re: Twisted Forks ?

Postby thrasherg » Sun Apr 15, 2012 12:13 am

You should also check the steering head bearings, if it hit something hard enough to bend the forks, the bearings probably dented the races and will give you an unpleasant handling bike!!

Gary

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virgilmobile
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Re: Twisted Forks ?

Postby virgilmobile » Sun Apr 15, 2012 9:55 am

One more thing.when sliding the forks back onto the triple tree,they should align perfect . My 83 would slide one fork in and the other one would not align in the top,I found the triple tree was also bent along with one fork.

jimschevey
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Re: Twisted Forks ?

Postby jimschevey » Sun Apr 15, 2012 7:29 pm

i hope the triple tree is not bent. i will definately check. thanks to all for the help

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RoadRogue
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Re: Twisted Forks ?

Postby RoadRogue » Wed Apr 18, 2012 12:23 am

If the triple tree is bent ,give me a shout . I have a set or two around here . I could let one go cheap, shipping will be the biggest expense from this far north. 8-)
Ride safe, Todd
Over night campers welcome

jimschevey
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Re: Twisted Forks ?

Postby jimschevey » Mon Apr 30, 2012 8:13 am

i finally had the time to put the forks on. both forks are in. the handlebars are about 1/2 inch off from being straight with the wheel. a relative wants to remove the handlebars and the slotted nut under the handlebars. i believe all that is under it is a bearing. is there any splines on this shaft so that the top tripletree can be turned a little?

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virgilmobile
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Re: Twisted Forks ?

Postby virgilmobile » Mon Apr 30, 2012 8:59 am

No splines but you may be chasing a ghost.it is possible that the handlebars are bent that far.Remove them from the bike and get them on a level surface to see.

jimschevey
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Motorcycle: 1982 GL1100A Aspencade

Re: Twisted Forks ?

Postby jimschevey » Mon Apr 30, 2012 2:16 pm

thanks, i will take the handlebars off and look to see if that is whats bent. i appreciate all the help

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lbman
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Re: Twisted Forks ?

Postby lbman » Thu May 03, 2012 6:00 pm

I had a buddy straiten my forks. the left one was bent 1/2 " wow did that bike handle funny.. i cleaned up the sleeves and replaced seals , added the Progressive springs..
I recommend progressive to any one with an older wing. No more diving on your nose and cornering is a lot better also..way more stable ride.
fronts are easy to work on compared to the rear shocks...
lb

jimschevey
Posts: 13
Joined: Thu Mar 31, 2011 11:04 am
Location: salem,wv
Motorcycle: 1982 GL1100A Aspencade

Re: Twisted Forks ?

Postby jimschevey » Sun May 06, 2012 10:21 am

RoadRoague, you were right. disassembled the front again and found the lower triple tree was bent. it does not fit flush when layed on a flat surface. from looking at this piece i can not believe this can bend but it is not flat. Well on my way to looking for a triple tree. should this be replaced in sets, upper and lower together. thanks

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thrasherg
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Re: Twisted Forks ?

Postby thrasherg » Sun May 06, 2012 10:49 am

The triples do NOT need to be replaced as a pair.. Good luck getting it fixed, sounds like you are almost there..

Gary

jimschevey
Posts: 13
Joined: Thu Mar 31, 2011 11:04 am
Location: salem,wv
Motorcycle: 1982 GL1100A Aspencade

Re: Twisted Forks ?

Postby jimschevey » Mon May 14, 2012 6:44 am

finally had the time to put the lower triple tree on and reassemble the bike. took it for a ride, handles great, and looks and feels straight. thanks for all the input and help. now for my free time i can clean a year of dust off this bike

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thrasherg
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Location: Plano, TX
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Re: Twisted Forks ?

Postby thrasherg » Mon May 14, 2012 10:01 am

I am told that cleaning and polishing my bike is half the fun of owning it! I don't know what moron told me that as I hate cleaning the thing (too many small crevices to clean) just like to ride it! Good luck with the cleaning and post a few pics of the bike and any rides you take it on.. :D

Gary

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wdwillis
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Re: Twisted Forks ?

Postby wdwillis » Sun Jun 09, 2013 7:26 pm

@thrashberg... would there be any way you could show exactly which bolts i have to loosen? i have a similar sounding issue with my gl1000 and am hoping this would resolve it. the only thing is i am not confident on which bolts to loosen, and don't want to make things worse.


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