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Seal, bearing advice
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KC1961
Central Scotland
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November 24, 2021 - 5:01 pm
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At some point in the future I intend to give my bike a bit of a rebuild / tidy-up. To keep the costs down come that time I'd like to start gathering together some bits and bobs just now. Looking at engine oil seal sets on ebay there are some that are sold as oil seals, some as nitrile and some as viton tipped, any recommendations on what type I should buy?

Engine bearing sets, priced from about £20 (various sellers) to about £90 (Rex Caunt).  Would I be right to dismiss the £20 sets and buy the £30 - £40 ones or should I bite the bullet and spend £90?

I don't want to have to re-do things because I bought "cheap rubbish" but I don't want to spend unnecessarily either.

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Sponge
Lancashire (A chip shop somewhere near Preston)
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November 24, 2021 - 7:00 pm
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To paraphrase the 'Pitmans book of the BSA Bantam". If you want to save money then scimp on cigarettes and booze but don't skimp on bearings and seals !!

Buying seals and bearings off ebay is frought with opportunities to get soaked. I always buy from a reputable dealer ....see the good blokes guide....in that way I have some comeback. Also having put so much time and effort into overhauling an engine I do not want to have to tear it all down once more because of dubious parts. 

But it is your engine, your choice mate. 

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sunny
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November 25, 2021 - 10:43 am
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parts  are  not coming  out  the  same  as  the old  ones    so  you can  expect   to have  to  return  some    so  go  for  someone  that   will  refund or swop parts     the  ones  in the  club   mag  are  the peaple  to go for     as  most  know  wot  thay  are  selling   but  most   have  not  had  the   job  of  fiting  so   have  fun  with  your  project    

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cocorico
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November 25, 2021 - 10:53 am
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Renew seals by all means - but don't pull out the bearings before checking them. Give them a good clean in-situ before checking their freedom. More bearings are damaged by removing or replacing than by normal use. Also, if you do replace them, check that their profiles are the same as the ones coming out, so you can be sure they will sit properly in their recesses.

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KC1961
Central Scotland
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November 25, 2021 - 5:01 pm
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Thanks for all replies.

Maybe buying bearings in advance isn't the thing to do as I've no idea when I'll get round to my rebuild (it's something I've planned on doing since buying the bike 3 1/2 years ago, I've been running it during that time and intend to run it throughout this coming winter). I will continue to buy some of the other bits and pieces that I think I'll need.

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cocorico
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November 25, 2021 - 7:40 pm
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KC1961 said
...I've no idea when I'll get round to my rebuild (it's something I've planned on doing since buying the bike 3 1/2 years ago...

That's good- if it's not broke don't fix it. wink

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