SHOWA 47 2004 VS 2001

I finally got today my showa 47 2004 and as I found no surprise in the rebound/mid section the BV surprised me as I found a total different stack compared the 2001. This is what I found

 

fork base valve 16 - 30.1  29.1  28.1  27.1  26.1  25.1  24.1  23.1  22.1  21.1  20.1  19.3 b  30.5 x 2.0 w  16.3 f  11.2 b  12.1  13.1  14.1  15.1  10 - 16.1

 

and this is the 2001

 

MAIN VALVE

 30 X 0.10 (10)

 30 X 0.20

 22 X 0.15

 30 X 0.10

 29 X 0.10

 28 X 0.10

 27 X 0.10

 26 X 0.10

 25 X 0.10

 24 X 0.10

 23 X 0.10

 22 X 0.10

 21 X 0.10

 20 X 0.10

 19 X 0.30 (4)

 22 X 0.30

 30.50 X 2.00

 

Those fork (2004) will be transplanted in a Beta 300 2t and as I found a good setting on 2001 for woods with this stack

 

30x10 (5)

 

28x10

26x10

24x10

22x10

20x10

18x10

16x10

14x10

12x10

16x30 (4)

22x30

 

I now feel myself in a deep hole as like a novice don't understand those 2004 stack.

Any volunteer ???

ciao

max

 

A 2001 showa 47mm USD SHOULD have a 23mm piston which means the face shims would be 20mm.  Your 2001 stacks don't look correct.

why I wrote 2001 ????? mah...2003 guys...sorry...anyway the question is the same ....

check on valvinglogic.com there are all stack

There is nothing to worry about.

The stack you found in the 2004 fork is a very common showa stack.

 

Just make sure that you remove the bleedstack and space the subvalve to ensure oilflow if you use that fork for woods.

BV is larger incase you didnt already notice.

Vietze...what u mean remove the bleedstack and space the subvalve ???? If I remove 16.3 f  11.2 b  12.1  13.1  14.1  15.1  10 - 16.1 what I have to use to ensure the oil flow ???

 

P.S. Remember I am a novice :rolleyes:

Vietze...what u mean remove the bleedstack and space the subvalve ???? If I remove 16.3 f  11.2 b  12.1  13.1  14.1  15.1  10 - 16.1 what I have to use to ensure the oil flow ???

 

P.S. Remember I am a novice :rolleyes:

 

Just reverse the stack

:rolleyes::banghead:

You can reverse the stack or you can use a standard washer which is available in any hardware store. They are around 1.6mm thick and will gain enough space for proper oilflow.

This gives you a handfull new shims to play with ;)

Edited by Vietze

Your woods setting is super light , you could go to a softer mid and a stiffer base to maintain pressure balance but it would involve lots of testing as its tricky to get right straight away

i said at telephone whit max he ride too soft stack . but say is harsh...i dont know , he live 150km far from me in italy

I know it's soft but actually it's the only setting that works...maybe cause it's a 2 stroke...maybe the main spring it's too hard 4.5....maybe the ICS spring it's too hard also...now I've ordered a merge progressive ICS spring just to see what gonna go to happen...if I'm riight in theory the fork should be harsh on the arms cause the piston rod enters too fast in the chamber and crashes againts the oil that still has to properly move the base valve piston...it is correct ???

Vietze...I knows Japs are really strange guys but I don't understand the bleedstack influence ..I mean if not necessary to put 2 or more hardware washers in there why they vaste at least 20 expensive shims ??? Please let me enter the sacred graal of tuning..:-) explaining this bleedstack...

Zucco if you will be available next Saturday I'll prob will offer a beer to you mate...

ciao max

Woods does not require a bleed stack MX does but not as stiff as std

Vietze...I knows Japs are really strange guys but I don't understand the bleedstack influence ..I mean if not necessary to put 2 or more hardware washers in there why they vaste at least 20 expensive shims ??? Please let me enter the sacred graal of tuning..:-) explaining this bleedstack...

Zucco if you will be available next Saturday I'll prob will offer a beer to you mate...

ciao max

 

Actually the Japanese Suspension guys are quite clever.

 

A bleedstack keeps the fork up on braking which is a good thing on MX. Even more for aggressive riders.

Downside: You lose compliance to the small stuff if you run a bleedstack.

 

This particular bleedstack is very strong. Too strong for most MX riders.

 

As mog said, woods riding does not require a bleedstack. I barely use bleedstacks on 2 stroke mx...

Its a thing for 4 strokes and fast or heavy riders.

You said that it's soft but it's the only setting that works.  What exactly have you tried in the past?  5 face shims with a 12 clamp sounds like a marsh mellow unless you're traversing large rock gardens at 5mph.

The mid is too stiff that's why the base is too soft

Mates...I don't think the mis is so soft as it's made by 20x0.10 17x0.10 and 15x0.10 with a float of 0.55....now the next move will be probably to lose a 30 on the base trying to balance the system...wrong ????

The bike is harsh on the rocks at high speed...not so bad or good at slow speed....now what I'm searching is a way not to be harsh on high speed ...I don't know if it's possible to have this setting or if it's only a dream...

ciao

max

I wanna have a sort of marsh mellow at low speed as my track are a sort of trial...river stones and single tracks full of big stones...I need a bike that doesn't deflects as I ride so technical...

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now