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07 fork spec.

VIKING

VIKING

Joined Jun 2004
380 Posts | 0+
Sandpoint ID
Well it was time for some fork service and I was curious what the different is besides the
12mm cartridge rod
oil level 130mm and the oil was different than in years past, the oil had green appearance
rebound stack
(4) 24x,1 (1) 12x,1 (1) 20x,1 (1) 18x,1 (1)16x,1 (1)8,5x,1 (1) 16x,25
MV stack
(4) 24x,1 (1) 22x,1 (1) 20x,1 (1) 18x,1 float 2,5 mm
comp, stack
(2) 24x,1 (1) 16x,1 (8)24x,1 (2) 22x,1 (1)20x,1 (1) 18x,1 (1) 16x,1 (1) 14x,1 (1) 8,5x,1
(1) 18x,25
what surprise me was the rather large float I would have thought max 2mm
there was nothing revolutionary in the fork must be that the 12 mm rod made all the
difference

VIKING
 
Re: 07 frok spec.

VIKING said:
Well it was time for some fork service and I was curious what the different is besides the
12mm cartridge rod
oil level 130mm and the oil was different than in years past, the oil had green appearance
rebound stack
(4) 24x,1 (1) 12x,1 (1) 20x,1 (1) 18x,1 (1)16x,1 (1)8,5x,1 (1) 16x,25
MV stack
(4) 24x,1 (1) 22x,1 (1) 20x,1 (1) 18x,1 float 2,5 mm
comp, stack
(2) 24x,1 (1) 16x,1 (8)24x,1 (2) 22x,1 (1)20x,1 (1) 18x,1 (1) 16x,1 (1) 14x,1 (1) 8,5x,1
(1) 18x,25
what surprise me was the rather large float I would have thought max 2mm
there was nothing revolutionary in the fork must be that the 12 mm rod made all the
difference

VIKING
Click to expand...

so they deffinately went to 12mm rods this year then? presumably everything is different inside and there would be no point in trying to upgrade the 14's?
i'm amazed there are so few rebound shims and yet they do the job? i have about 5 more in my set up.
apparently the katoom competition fork has gone to 0.8mm float so figure that one out?
"(2) 24x,1 (1) 16x,1 (8)24x,1........". also like ktm they seem to want to put loads of 24s in. the first two are for light work as i know you like it like that Per and it works for me too.

nice one mate and thanksd for sharing!

regards

Taffy
 
Did the 12 mm lead to that the mid velocity and high velocity stacks changed place? Or is the MV just a checkvalve now? The 4) 24x,1 in the rebound stack were triangular ones?
Is the 12mm a great leap for man kind?
Any interest for a conversion kit?
:?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?:
 
Smorgasbord said:
Did the 12 mm lead to that the mid velocity and high velocity stacks changed place?

YES! More oil flow makes a given stack "feel" stiffer/more effective at control.

Or is the MV just a checkvalve now?

Same as the KTM "EXC" has been since 03.

The 4) 24x,1 in the rebound stack were triangular ones?

YES!

:?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?:
Click to expand...
 
Lew:
MV=high velocity stack. (Doubles as a checkvalve for the rebound.) On KTM since -03.
BV=low velocity stack and mid velocity stack.

Taf:
"the katoom competition fork has gone to 0.8mm float"
MV=mid velocity stack. (Doubles as a checkvalve for the rebound.)
BV=low velocity stack and high velocity stack.

:twisted:




Anyway, thanks for the data VIKING.

Regards you lot :)
 
well fry I did some tinkering but that was before I changed the oil I increased the
oil level but I am going to change things around, testing is secondary at the moment, right now it is trail clearing season and it is ugly, 3 tanks of chain saw gas = 4 miles of cleared trail
I was curious to know what it would take to change to a 12mm cartridge here is the list
2/ 48600557S hydraulic stop $29,99 each
2/ 48600559 adjust tube $33,99 each
2/48600568 rod cartridge $88,50 each
2/48600277 needle $6,20 each
2/48600298 o ring $2,99 each
2/48600444 reb. spring $2,99 each
2/48600525 guide spring $02,99 each
2/48600556S cartr. top $30,95 each
2/48600299 o ring $ 2,99 each
2/48600511 reb. spring $ 5,06 each
2/48600513 tap reb. $ 12,30 each
2/ 48600586S tap comp, $ 40,50 each
1/4860004S9 pre load adj, $154,99 set
grand total $710,49
that was more than I thought it would be, there are some parts that wonder what is the
difference, the 48600586S tap comp, I did not see anything that was different than the
older comp, taps I guess I would have to them side by side to know, also I dont know
what the regular top reb, adj. is as opposed to the SXS part 4860004S9

VIKING
 
Re: 07 frok spec.

VIKING said:
Well it was time for some fork service and I was curious what the different is besides the
12mm cartridge rod
oil level 130mm and the oil was different than in years past, the oil had green appearance
rebound stack
(4) 24x,1 (1) 12x,1 (1) 20x,1 (1) 18x,1 (1)16x,1 (1)8,5x,1 (1) 16x,25
MV stack
(4) 24x,1 (1) 22x,1 (1) 20x,1 (1) 18x,1 float 2,5 mm
comp, stack
(2) 24x,1 (1) 16x,1 (8)24x,1 (2) 22x,1 (1)20x,1 (1) 18x,1 (1) 16x,1 (1) 14x,1 (1) 8,5x,1
(1) 18x,25
what surprise me was the rather large float I would have thought max 2mm
there was nothing revolutionary in the fork must be that the 12 mm rod made all the
difference

VIKING
Click to expand...

Found the same stacks but float measured 1.7mm. Also the clamp on the comp stack was .30 thick. Oil level was 105/110. Also lots of metal in the bushes :bugeyes:
 
VIKING said:
well fry I did some tinkering but that was before I changed the oil I increased the
oil level but I am going to change things around, testing is secondary at the moment, right now it is trail clearing season and it is ugly, 3 tanks of chain saw gas = 4 miles of cleared trail
I was curious to know what it would take to change to a 12mm cartridge here is the list
2/ 48600557S hydraulic stop $29,99 each
2/ 48600559 adjust tube $33,99 each
2/48600568 rod cartridge $88,50 each
2/48600277 needle $6,20 each
2/48600298 o ring $2,99 each
2/48600444 reb. spring $2,99 each
2/48600525 guide spring $02,99 each
2/48600556S cartr. top $30,95 each
2/48600299 o ring $ 2,99 each
2/48600511 reb. spring $ 5,06 each
2/48600513 tap reb. $ 12,30 each
2/ 48600586S tap comp, $ 40,50 each
1/4860004S9 pre load adj, $154,99 set
grand total $710,49
that was more than I thought it would be, there are some parts that wonder what is the
difference, the 48600586S tap comp, I did not see anything that was different than the
older comp, taps I guess I would have to them side by side to know, also I dont know
what the regular top reb, adj. is as opposed to the SXS part 4860004S9

VIKING
Click to expand...

Thanks Viking. The costs do add up for just production replacement parts.
 
Aaarrrgh! A grand total of $710,49! The improvement must be absolutely unbelievably fantastic to justify that money.

Then again, if you had to build cars from spare parts then we'd all use horses instead, exept for the filthy rich.

The idea here is to keep and use everything possible that you already have got and have payed for once.
The rod would be a stepped one at 14 mm in the hydr. stop and what sticks out is at 12mm. The connecting adapter to the reb. tap would be no longer than the top out spring fully compressed, if that is enough. Then add a 12mm DU Bushing, a more thick walled one or the original one in an adapter bushing. That's the rod bit. The stacks would then like some tinkering with, but that's another story.

Remove:
1. Bottoming cone bushing.
2. 14 mm WP rod.

Kit consisting of new parts replacing the above two items:
1. Bushing (+adapter ring?).
2. 12 mm Conversion rod.
3. Adapter. (Connecting new rod to old tap.)

BTW, when we are talking about Slow/Mid/Fast velocity stacks, this is only relative, right? Even if it was Slow/Fast/Very fast indeed, you'd still call it Slow/Mid/Fast?...
Suppose that the new fork just went from Slow/Mid/Fast to Slow/Fast/Very fast indeed?, in other words: stacks tuned over a wider velocity range.

Are forks tuned differently for different markets?

I do not know what I'm taking about really, if you ever wondered.

Regards
 
Danger wrote
Also lots of metal in the bushes
I consider that normal WP don't shed to much metal, some KYB that I have seen sheds
a lot more metal, it is all part of break in

smorgasbord wrote
Kit consisting of new parts replacing the above two items:
1. Bushing (+adapter ring?).
2. 12 mm Conversion rod.
3. Adapter. (Connecting new rod to old tap.)
the parts that was on the list is marked new for 07, I don't know if old parts are interchangeble with new part so its unknown

BTW, when we are talking about Slow/Mid/Fast velocity stacks, this is only relative, right? Even if it was Slow/Fast/Very fast indeed, you'd still call it Slow/Mid/Fast?...
Suppose that the new fork just went from Slow/Mid/Fast to Slow/Fast/Very fast indeed?, in other words: stacks tuned over a wider velocity range.
the 07 midvalve flows more oil compared to 06 and older that is also true for the rebound as for the comp valve 07 flows less than 06 and older
sometimes it is easier to control larger flow spanning wider range of shaft speed
there are no velocity stacks only shim stacks in this application and the shim stack are
responsible to slow down shaft speed, hopefully this makes sense

later VIKING
 

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