OzVMX Forum

Clubroom => Tech Talk => Topic started by: Nathan S on February 26, 2013, 09:51:33 pm

Title: 84 CR shock guts.
Post by: Nathan S on February 26, 2013, 09:51:33 pm
 >:( x100.

Had the shock apart on the bench at work, my ever-helpful workmate shoved it all into a pile... I thought I might be able to figure it out, but the one-way-valve-piston has got me entirely confused.

Has anyone got a photo or a parts diagram of the valve piston/shim stacks?

This is the best pic I've found so far - it doesn't have enough detail between the two part #21s:
(http://images.cmsnl.com/img/partslists/honda-cr250r-1984-usa-shock-absorber-84_bighu0262f1700a_979f.gif)
Title: Re: 84 CR shock guts.
Post by: motomaniac on February 26, 2013, 10:06:09 pm
the 125's are old style kayaba , have the oneway valve , except its two way , the 250/500 have modern style piston /valves  ,either way the big schimms are compression .ie go one first with the large port side of the piston facing the shaft.
Title: Re: 84 CR shock guts.
Post by: Nathan S on February 26, 2013, 11:25:10 pm
It's a 250, but (as I've just discovered) it has the wrong valve piston in there and/or something missing: 40mm bore with a 36mm piston...

No wonder the old bush in the seal head was buggered...

Did you sell that Ohlins you had, motom?
Title: Re: 84 CR shock guts.
Post by: motomaniac on February 27, 2013, 07:55:45 am
Actually on second thought the 84 250 still has the non progressive rebound stack.
Yer I still have it , I got an offer to consider but I want to test ride again first .Might keep it.