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Xb9 headrace bearing advice
http://www.ukbeg.com/forum/viewtopic.php?f=8&t=22107
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Author:  Wobblyone [ Thu Jan 19, 2017 9:18 pm ]
Post subject:  Xb9 headrace bearing advice

Hi guys any advice on headrace bearing replacement ...is this a known issue with these things ? Mine according to the old mot data etc has already had one set of headrace bearings and I noticed on my last ride they have play in them again. The bike has only done 3000 miles from new ...I've done a 1000 on it since I bought it and converted it a few months ago and no wheelies so honestly I'm amazed and slightly alarmed by this (. Any aftermarket high quality bearings available or what are my options and why would this happen twice at such low miles ...all I can think is the fact it hasn't hardly been ridden in the 13 years it's been alive and it's corrosion? Is this a east enough job to do or do I need any special gear ?

Cheers wobb

Author:  Kiwi [ Thu Jan 19, 2017 9:34 pm ]
Post subject:  Re: Xb9 headrace bearing advice

Maz just did mine at 14k and they were totally ducked...1000 mile sounds rough... :askmaz:

N

Author:  pash [ Thu Jan 19, 2017 9:34 pm ]
Post subject:  Re: Xb9 headrace bearing advice

My experience is that they don't get play in them, they just feel like gravel.

How are you ascertaining that there is play? A knocking sound (from your brake pads moving in the caliper)?

10k is about the life of headraces...

Author:  kevmean [ Thu Jan 19, 2017 9:35 pm ]
Post subject:  Re: Xb9 headrace bearing advice

They are prone to needing replacing but not that often , maybe they just need readjusting if they weren't seated correctly when last done.

Author:  Maz [ Thu Jan 19, 2017 9:38 pm ]
Post subject:  Re: Xb9 headrace bearing advice

What Pash said and there's no alternative to OEM bearing.......whatever Willybuell sez lOl

Author:  paulastbury [ Thu Jan 19, 2017 10:42 pm ]
Post subject:  Re: Xb9 headrace bearing advice

Had to change mine on uly..Dont bother with cheap tappered, it'll either be too stiff or too loose and movement in headstock. .oem only . £60 odd from riders.. :shock: ..Also you dont need to undo cluster, just tap off top yolk..Stick with the torque settings..Job done.. :)

Author:  Wobblyone [ Fri Jan 20, 2017 4:18 am ]
Post subject:  Re: Xb9 headrace bearing advice

Cool thanks for the advice guys ...I'll read the manual re adjustment etc...yea definitely not the pads altho they float a bit but it's a definite clonk and bang coming from the headrace yoke area haven't had chance to jack the front up and have a proper investigation as yet but definitely has the feel of headrace bearing play ...I can only think it's incorrect figment adjustment of the last bearings or something as like u say 3k is really low miles for wear

Author:  DaveH [ Fri Jan 20, 2017 1:12 pm ]
Post subject:  Re: Xb9 headrace bearing advice

With a fine pick fish out one of the blue seals and put plenty of a good quality grease in them. Its a bit scarce from the factory. As they're not fully rotational bearings they have a habit in indexing. (wearing in only one place) refit the seal and fit to bike. They're somewhat undersized for the job they do. My mountain bike headset bearings are not much smaller

Author:  Wobblyone [ Sat Jan 21, 2017 1:14 am ]
Post subject:  Re: Xb9 headrace bearing advice

Thanks Dave ). I'll pull her apart as soon as I get chance ..any advice on what time of grease ? I've got some really good quality marine waterproof grease I use on outboard steering yokes...a good option ?

Author:  DaveH [ Sat Jan 21, 2017 5:17 pm ]
Post subject:  Re: Xb9 headrace bearing advice

That marine grease will do just fine :yup:

Author:  WILLYBUELL [ Sun Jan 22, 2017 6:32 pm ]
Post subject:  Re: Xb9 headrace bearing advice

Maz wrote:
What Pash said and there's no alternative to OEM bearing.......whatever Willybuell sez lOl

:shock: :ner: :rotfl:

Author:  WILLYBUELL [ Sun Jan 22, 2017 6:34 pm ]
Post subject:  Re: Xb9 headrace bearing advice

Maz wrote:
What Pash said and there's no alternative to OEM bearing.......whatever Willybuell sez lOl

OOOOooooooo yeessss there is :D

Author:  Wobblyone [ Sun Jan 22, 2017 7:46 pm ]
Post subject:  Re: Xb9 headrace bearing advice

WILLYBUELL wrote:
Maz wrote:
What Pash said and there's no alternative to OEM bearing.......whatever Willybuell sez lOl

OOOOooooooo yeessss there is :D


Yea there's a listing for headrace bearings on eBay ...skf or some good brand can't remember which ..they no good ?

Author:  Maz [ Sun Jan 22, 2017 8:02 pm ]
Post subject:  Re: Xb9 headrace bearing advice

Nope.

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