Servicing head bearings? - SV650.org

21-02-12, 02:22 PM

ok time to "service" them. nothing wrong so do i leave well alone, replace or just repack with grease? im thinking its just as easy to replace than repack?

any advice?

maviczap · 21-02-12, 02:35 PM

If they're ok, just pack them with grease.

Replacing them is quite a big job, especially if you're going to replace the cups in the headtube

rictus01 · 21-02-12, 04:41 PM

Quote:

Originally Posted by maviczap

If they're ok, just pack them with grease.

Replacing them is quite a big job, especially if you're going to replace the cups in the headtube

I'd agree if you have no issue currently, however it's not a big job to replace merely a question of technique to remove the part bearing fromthe stem, once the superduke is back on the road I have this as one of the jobs planned for the S4, as Andy rightly says once you've removed enough to repack with grease it's only another half hour to change the bearings.

Cheers Mark.

yorkie_chris · 21-02-12, 04:53 PM

There's absolutely no point replacing them if they're not notched. Remove the yokes and steering stem, give them a good wash out with solvent of your choice, fully pack with good quality grease. Reassemble and adjust, dead easy

Quote:

Originally Posted by maviczap

If they're ok, just pack them with grease.

Replacing them is quite a big job, especially if you're going to replace the cups in the headtube

Bloody bicyclists!
You mean the inner races in the headstock?

maviczap · 21-02-12, 05:51 PM

Quote:

Originally Posted by yorkie_chris

Bloody bicyclists!
You mean the inner races in the headstock?

Ha Ha, I just couldn't think of the term at the time I was typing

21-02-12, 08:47 PM

fair enough. im a replace kinda guy tho (i know, for eample ill be doing the front bearings because there on 24k now and i facy doing it

) ill add it to the list.

22-02-12, 04:11 PM

Replacing them is not a half hour job if you've never done it before and has potential for expensive c0ck ups.

maviczap · 22-02-12, 04:34 PM

Quote:

Originally Posted by monkey

Replacing them is not a half hour job if you've never done it before and has potential for expensive c0ck ups.

Agreed

rictus01 · 22-02-12, 04:36 PM

the right knowledge and tools can be borrowed, if you know the right people, but like anything else, if you've no idea how to do something then blindly swinging even such tools as torque wrenches and vernier calipers can of course stuff it up good time....

Cheers Mark.

22-02-12, 04:43 PM

Quote:

Originally Posted by yorkie_chris

There's absolutely no point replacing them if they're not notched. Remove the yokes and steering stem, give them a good wash out with solvent of your choice, fully pack with good quality grease. Reassemble and adjust, dead easy

Bloody bicyclists!
You mean the inner races in the headstock?

When you say notched you mean the races in the headstock?

Mine a loose you can hear them over bumps and was going re-pack them before I tighten them back up properly.

21-02-12, 02:22 PM	#1
AndyBrad Guest Posts: n/a	Servicing head bearings? ok time to "service" them. nothing wrong so do i leave well alone, replace or just repack with grease? im thinking its just as easy to replace than repack? any advice?

21-02-12, 02:35 PM	#2
maviczap Member Mega Poster Join Date: Mar 2007 Posts: 9,097	Re: head bearings If they're ok, just pack them with grease. Replacing them is quite a big job, especially if you're going to replace the cups in the headtube __________________ We're riding out tonight to case the promised land Make everyday count RIP Reeder - Jolly Green Giant and comedy genius

21-02-12, 08:47 PM	#6
AndyBrad Guest Posts: n/a	Re: Servicing head bearings? fair enough. im a replace kinda guy tho (i know, for eample ill be doing the front bearings because there on 24k now and i facy doing it ) ill add it to the list.

22-02-12, 04:11 PM	#7
monkey Guest Posts: n/a	Re: Servicing head bearings? Replacing them is not a half hour job if you've never done it before and has potential for expensive c0ck ups.

22-02-12, 04:36 PM	#9
rictus01 Member Mega Poster Join Date: Jul 2003 Location: South London Posts: 9,799	Re: Servicing head bearings? the right knowledge and tools can be borrowed, if you know the right people, but like anything else, if you've no idea how to do something then blindly swinging even such tools as torque wrenches and vernier calipers can of course stuff it up good time.... Cheers Mark. __________________ Life should not be a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming, 'Wow! What a Ride!

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