Progressive springs, who has used them?

[pickleweasel_00]

I have a pair of 86 front forks for my Tri-Z and they prolly need re-built before I put them on. I saw a set of these:

http://www.denniskirk.com/jsp/product_catalog/Product.jsp;jsessionid=GHCSZ5QOQINRVLA0WTVSM4VMDK0 NCIV0?store=Main&skuId=58327

What do you guys think of these springs? What kind of change can I expect in handling? Pros and cons? Basically share your thoughts and ideas on these.

Also if anyone would be so kind, what else will be needed for a re-build such as seals (brand or part numbers) and what kind of fork oil should I use?

found these:

http://www.denniskirk.com/jsp/product_catalog/Product.jsp?skuId=14580&store=Main&catId=113&productId=p14154&leafCatId=11306&mmyId=13702

http://www.denniskirk.com/jsp/product_catalog/Product.jsp?skuId=14232&store=Main&catId=113&productId=p14235&leafCatId=11306&mmyId=13702

[Bryan Raffa]

probley the single best thing you could do too the front shocks on a Z . you can expect a stiffer front end..use 15wt PJ1 or belray oil at stock level

fork seals..I say there pretty mutch all the same ..but some will say diffrent

[evand]

sais they only fit 86 forks, does anyone make them for 85's? my forks are to soft for my fat ar$e

[pickleweasel_00]

Yep:

http://www.denniskirk.com/jsp/product_catalog/Product.jsp;jsessionid=GHCSZ5QOQINRVLA0WTVSM4VMDK0 NCIV0?store=Main&skuId=58326

Just a smaller diameter I beleive

So from the way it looks, they get slightly stiffer the more they are compressed?

[ATC-Eric]

Im rollin progressives on my 85. I like the way they handle. Great off the small jumps (dont bottom out) and great in the trails when you need more stability.

[Bryan Raffa]

the 85's springs are the same as the KTX250,83-84 250R,85-86 350X
and the 86 springs are the same as the 85-86250R:D

[Tri-ZNate]

the 85's springs are the same as the KTX250,83-84 250R,85-86 350X
and the 86 springs are the same as the 85-86250R:D

I'd be nice to hook your brain up to a hard drive and download the Z knowledge, I wouldn't want everything thats in there :lol;

[Bryan Raffa]

I'd be nice to hook your brain up to a hard drive and download the Z knowledge, I wouldn't want everything thats in there :lol;

probley not....:eek: :lol: :TrikesOwn

[Yamada]

the 85's springs are the same as the KTX250,83-84 250R,85-86 350X
and the 86 springs are the same as the 85-86250R:D

Is it listed in the tri-z parts interchangeability thread?

http://www.3wheelerworldforums.com/showthread.php?t=16277&highlight=tri-z+parts+thread

[350x'inNY]

I beleive in the Dennis Kirk catalog, it lists the different Tri-Z's with the different part numbers, else I knew that because I've put Progressive front springs in both of my 350X's and it had a compatibility sheet in it.

I have front and rear springs on my 82 250R. I also have a Progressive rear spring for a 83R that has never been mounted. Won't fit the 82R shock... and probably wont fit the 350X either. It's got the grey marble looking paint from Progressive. I love the front springs, but the rear one on my 82R is pretty stiff.

Bruce