Refurbishing Stock Shock.

[johnsmith222]

Hi guys.

I am well up on my options of aftermarket shocks and other mods to fit shocks from other bikes (most notably the zzr1200 shock mod).

What I am really wanting to know is the options I have with the stock shock from a ZZR600E and attempting to refurbishing it myself?

I have access to a workbench, vice, and a reasonable variety of tools such as coil compressors. I will have plenty of time free after my exams and have a couple of bikes on the road so i could really take my time with it.

What I am wanting to know is what my options are, if any to extending the life and improving performance of the stock shock.

I'm not talking about adjusting it. I have been down that road already. I'm just asking if there's anything I can do to improve it as I will have plenty of free time after my exams.

Thank you for any help.

[Kickstart]

Hi

Don't think there is much you can do to the ZZR shock. You can't easily strip them down (and if you manage it you will need a supply of compressed nitrogen to recharge it).

There are people who can rebuild stock shocks though.

All the best

Keith
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[DrDonnyBrago]

As Keith said, if the shock is anything like my CBR then they are sealed units containing compressed nitrogen and cannot be serviced at home. The manufacturer will suggest they are unserviceable however there are several companies that will open them up, service them and improve them for you.

[johnsmith222]

Thanks for your help guys.

I was wondering if it would be possible to give your opinions on what has been done in this video using air?

https://www.youtube.com/watch?v=xFTxmQzyY2Y

To sum it up, he uses a tool that is like a bicycle pump but is designed for use on shocks and pumps it up to 150psi.

Thanks.

[Kickstart]

Hi

You may have a valve (plenty of shocks don't).

However just using a pump means you are using air rather than nitrogen. Air will have a load of other stuff in it (such as water) which will likely mean it behaves differently as it heats up.

I would also be very dubious about putting a random amount of oil into the shock. More oil means less air, and as the shock compresses the air has to compress. Less air will make the suspension harder, behaving like a load more preload on the spring. Too little air and you stand more chance of blowing the seals.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[DrDonnyBrago]

Just spent ages fecking ages looking for this thread but found it in the end;

https://www.bikechatforums.com/viewtopic.php?t=201438&highlight=hornet+shock

Noxious had his CBR rear shock serviced - more details in the thread but I reckon the same guys would do your shock too .

[Ichy]

Revs suspension https://www.revsracing.co.uk/ have rebuilt my CBR shock.

Gas, oil, seals and a new spring better matched to my weight for around £120. I think the shock rebuild without the spring was about £60-70.
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