Spacing between forks and disks?


Information and questions on GL1500 Goldwings (1988-2000)
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millerized
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Spacing between forks and disks?

Postby millerized » Wed Jul 13, 2016 8:30 pm



Anyone tell me if their disks are perfectly centered between the front forks, or are they slightly off with more on the throttle side than the clutch side?
I'm running maybe .030 on the clutch side, and about 1/8" on the throttle side. Is this what others have? Just swapped bearings, things driven in per the manual to the depths per the manual, but I don't remember there being a clearance issue before.

Anyone?



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MikeB
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Re: Spacing between forks and disks?

Postby MikeB » Wed Jul 13, 2016 10:35 pm

I've got .132 per side between the fork tube and the face of the disk. Equidistant.
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Tacoma, WA, USA

gford
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Re: Spacing between forks and disks?

Postby gford » Thu Jul 14, 2016 5:02 pm

Mine look even on both sizes

millerized
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Re: Spacing between forks and disks?

Postby millerized » Fri Jul 15, 2016 6:25 pm

Best I can come up with is that there's a fork tube bent.
A slight push of the axle in from the right side (while pulling the fork out a bit) evens it out if you tighten the pinch bolts quickly, but not on it's own. I'm at about 1/8" both sides at the rotors, about 1/16th at the bolts on the rotors. More in line with 'hitting something' damage as evident on the bent rim. She'll run, she'll stop, she might even glide without hopping when I'm done.

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MikeB
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Re: Spacing between forks and disks?

Postby MikeB » Fri Jul 15, 2016 6:56 pm

millerized wrote:I'm running maybe .030 on the clutch side, and about 1/8" on the throttle side. Is this what others have? Just swapped bearings, things driven in per the manual to the depths per the manual, but I don't remember there being a clearance issue before.

Anyone?


.030" and .125" is a big difference.

What is the clearance when the axle nut and pinch bolts are tightened? That is the configuration of my front wheel/forks when my measurements where taken.
A bent tube should manifest itself by difficulty in installing or removing the axle, with or without a wheel.
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Tacoma, WA, USA

CrystalPistol
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Re: Spacing between forks and disks?

Postby CrystalPistol » Sat Jul 16, 2016 10:30 am

I'm running maybe .030 on the clutch side, and about 1/8" on the throttle side. Is this what others have? Just swapped bearings, things driven in per the manual to the depths per the manual, but I don't remember there being a clearance issue before.


Ain't no bent fork tube. You're talking about a slider on the end of a long tube held by two triple trees way up top.
That right side is not adjustable as you know.

The left ..... the Honda shop book, 1997 edition .... page 15-9 says .....
Measure the distance between each surface of the left
brake disc and the left brake caliper bracket with a
0.70 mm (0.028 in) feeler gage.

If the feeler gage cannot be inserted easily, loosen the
front axle pinch bolts and move the left fork slider out
until the gage can be inserted. Then retighten the left
axle pinch bolts.


If you move it out to 0.40" ..... OK. It's a check to make for a mechanic so he doesn't finish a job and then have a scraping noise as the rotor rubs the caliper bracket.


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