Yamaha Thundercats
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Rear Shock

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Rear Shock Empty Rear Shock

Post  bigbazzaaaa on Wed Jul 09 2014, 14:01

Hi All
Im new to the forum and looking for advice and a replacement rear shock for my 1996 thundercat, Im actually hoping this is the issue and its not something more serious.
Its got 50k on it now and its probably due one anyway.
Any help or advice appreciated.

regards
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Rear Shock Empty Re: Rear Shock

Post  Snowcat on Wed Jul 09 2014, 14:10

They do tend to go. Some say they are very unreliable and don't tend to last long, I had mine serviced and rebuilt professionally and it lasted another two yrs but the present owner of my bike has just had to replace it. He, and many others on here have opted for the Hagon shock, it's a good all rounder, is fully adjustable and you get a decent warranty with it.

This is probably the most popular and economical option though you could opt for Ohlins but to buy new you're in the arena of buying a component worth nearly as much as your bike, Hagon is probably the way forward
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Post  bigbazzaaaa on Wed Jul 09 2014, 14:41

still to expensive for me Im afraid - Ill need to look for someone breaking a bike I think!
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Rear Shock Empty Re: Rear Shock

Post  SteveCat on Wed Jul 09 2014, 15:35

Hi and welcome, say hi in the new members section where you'll get a warm welcome.

What are the symptoms which is worrying you it may not be the shock?

Whilst the standard unit has been known to 'pack up' and been replaced at low mileages, I still have an original 1997 shock albeit with an uprated progressive spring on mine, wasn't able to refurbish the internals. I'm not sure of the distance it has covered, but it is over 130k miles.
If I need to replace mine, I'd be looking at a Hagon.
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Post  bigbazzaaaa on Thu Jul 10 2014, 09:20

it feels wobbly on bumpy corners and the exhaust has scraped the swingarm when two up. Ill strip it off soon and check it out but hey seems hard to come by from breakers.
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Post  SteveCat on Thu Jul 10 2014, 10:52

Might be worth trying to adjust the settings first. In my case I have 'grown' to a point where my weight boarders on the upper limit of the standard springs' spec, hence replaced with an uprated spring.

Have a look at this [You must be registered and logged in to see this link.], I linked to a site which describes the suspension setup.
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Post  bigbazzaaaa on Thu Jul 10 2014, 13:58

been great and all of a sudden feels rotten will haul it off for a look ne check bearings and linkages first. now just need a wet weekend to make me stay in the garage!!
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Post  SteveCat on Thu Jul 10 2014, 14:55

There's a wet weekend going spare down here, can swop you  Wink 
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Post  bigbazzaaaa on Thu Jul 10 2014, 16:03

tempting tempting ,,,,, ehhhhh naw your ok lol
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Post  bigbazzaaaa on Wed Aug 20 2014, 13:46

found the roller bearing is away too - new one ordered and will measure it and put sizes up here so others can just go to a bearing supplier for a roller bearing
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Post  stretchie_ on Thu Aug 21 2014, 16:27

How bored are you at work??? What you could do is look up the major manufacturers like this:

[You must be registered and logged in to see this link.]

Down load any fitment guides they may have (this one is a bad example as Thundercat is not on theirs HOWEVER) you may be able to get different information from these by looking at several and find a shock from another bike that is common in length (to see if it should provisionally fit), piston diameter (not sure if this is important TBH), mounting point diameter (to see if it will fit the mounting points without need for work) and then style, e.g. something with a rigid reservoir connected to the top of the shock may not fit, as the Thundercat reservoir is remote and located under the side fairing.
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Rear Shock Empty Re: Rear Shock

Post  past-it on Thu Aug 21 2014, 17:04

As far as I can find out the only shock units that fit with out any mods are for the Yam FZR600 and the Cat. Other than that various bits and pieces will need to be changed for any other shock units to fit.
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