Author Topic: New fork seal holders ill fitting.  (Read 928 times)

Offline Padsta33

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New fork seal holders ill fitting.
« on: 09.08. 2016 09:46 »
Having just replaced the fork seal holders and seals, they are rubbing I believe on the springs..
Is this normal?
We're purchased from a reputable dealer and they say they've never had an issue with this.
Had to grind the tool also too fit them.
Also between 35-45mph it feels like my front wheel is egg shaped. Have new tires fitted also.
Any suggestions?

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Re: New fork seal holders ill fitting.
« Reply #1 on: 09.08. 2016 10:00 »
G'day Paddy.
You may have inadvertently twisted the yokes (triple clamps) a tad. A bit hard to see with the shrouds on but do the bars feel normal or off a bit one way?
Cheers
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Re: New fork seal holders ill fitting.
« Reply #2 on: 09.08. 2016 11:08 »
I'd check the bead line on the tyre as well.
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Re: New fork seal holders ill fitting.
« Reply #3 on: 09.08. 2016 11:34 »
I've read that (most, if not all) pattern/aftermarket  seal holders don't fit the standard BSA tool, so unfortunately it's not surprising if a shop bought tool made for oem holders does not fit. I made a rough tool to do the holder  removal job from a piece of water pipe with an angle grinder, it fits both BSA original and pattern holders, albeit it fits the pattern parts better.
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Offline chaterlea25

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Re: New fork seal holders ill fitting.
« Reply #4 on: 09.08. 2016 11:38 »
Hi,
Grease the springs with the stickiest grease you can find
The fork shrouds can be centeralised  to a degree by loosening the bottom yoke pinch bolts,
move the shroud to equal all round and carefully re tighten the pinchbolts
+1 on the other suggestions

John
1961 Super Rocket
1963 RGS (ongoing)

Offline Padsta33

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Re: New fork seal holders ill fitting.
« Reply #5 on: 10.08. 2016 18:10 »
I'd check the bead line on the tyre as well.
Yup your correct.  The bead line is certainly out, this is after have a shop fit the tyre for me (my excuse is no tyre irons)
Is this caused by a bad rim?
Cheers
Paddy.

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Offline Padsta33

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Re: New fork seal holders ill fitting.
« Reply #6 on: 10.08. 2016 18:13 »
Also the spindle doesn't lock tight either? Feels like it's cross threaded. The pinch bolt seems my only saviour.. hmm may need re-tapping or a new spindle....

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Offline Padsta33

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Re: New fork seal holders ill fitting.
« Reply #7 on: 10.08. 2016 18:15 »
G'day Paddy.
You may have inadvertently twisted the yokes (triple clamps) a tad. A bit hard to see with the shrouds on but do the bars feel normal or off a bit one way?
Cheers
Yeah the bars feel okay....

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Offline chaterlea25

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Re: New fork seal holders ill fitting.
« Reply #8 on: 10.08. 2016 19:10 »
Hi,
Quote
Also the spindle doesn't lock tight either? Feels like it's cross threaded. The pinch bolt seems my only saviour.. hmm may need re-tapping or a new spindle....

Presuming you are talking about the LH threaded spindle?
If the spindle is not tight  the wheel is not in a fixed position, it can drift to the left
 *warn* VERY RISKY  *warn*
You can find a 9/16LH tap from an older establishhed cycle shop,( they were used on pedal cranks)
to clean up the threads in the fork leg

Get the tyre reseated properly, its not a big job to get right, lazy bastard where you got it fitted *angry*

John
1961 Super Rocket
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Offline Padsta33

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Re: New fork seal holders ill fitting.
« Reply #9 on: 10.08. 2016 20:30 »
Hi,
Quote
Also the spindle doesn't lock tight either? Feels like it's cross threaded. The pinch bolt seems my only saviour.. hmm may need re-tapping or a new spindle....

Presuming you are talking about the LH threaded spindle?
If the spindle is not tight  the wheel is not in a fixed position, it can drift to the left
 *warn* VERY RISKY  *warn*
You can find a 9/16LH tap from an older establishhed cycle shop,( they were used on pedal cranks)
to clean up the threads in the fork leg

Get the tyre reseated properly, its not a big job to get right, lazy bastard where you got it fitted *angry*

John
Cheers John. Has confirmed my concern.
The thread does seat in, but as it starts showing through the other side, it just spins.
Is it just a case of getting the fork leg re cut, or is the spindle knackered?
Yeah I shall be having words with the shop regarding tyre fitting..grrrrr.

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Offline chaterlea25

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Re: New fork seal holders ill fitting.
« Reply #10 on: 10.08. 2016 20:40 »
Hi Padsta,
Dunno I cant see it from here *conf2*
It could be either or a combination of both?
Its getting hard to find those threaded legs in good condition now *sad2*
Start by posting a pic of the axle, its probably toast tho  *sad2*

John
1961 Super Rocket
1963 RGS (ongoing)

Offline Padsta33

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Re: New fork seal holders ill fitting.
« Reply #11 on: 10.08. 2016 21:00 »
Hi Padsta,
Dunno I cant see it from here *conf2*
It could be either or a combination of both?
Its getting hard to find those threaded legs in good condition now *sad2*
Start by posting a pic of the axle, its probably toast tho  *sad2*

John
Ha ha I'll get pics tomorrow.
Think I meant if the axel is harder steel than the fork cut? God don't say I need new fork legs..... this bloody a10 is having its fair share of front end issues...

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Offline Padsta33

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Re: New fork seal holders ill fitting.
« Reply #12 on: 11.08. 2016 12:54 »
Okay...update.
Managed to get the thread too bite tight now, and fitted a stainless pinch bolt with nut. Also re-seated tyre on rim and she runs a lot truer now, but still has slight "bump" think it's prob the rim that's shot. Mind you its nearly 60 years old now. 😲
Cheers
Paddy.

BSA crazy
1957 A10 ratlook!