YZ250 shock revalve

[Vintage Not Pimpage]

Im in the middle of revalving the shock on my 01 YZ250 here. It was completely stock before and I found it to be a bit harsh for me trailriding on the tree roots, rocks etc. I also found it a bit harsh at the MX track over braking and acceleration bumps (mostly acceleration bumps) I just want to soften it up a little so its a bit more comfortable on the trails but can still do some decent sized jumps at the MX track. Im only a novice MXer but I find the shock works great at the track besides the acceleration bumps..

I had the compression 17 clicks out (from 22)

rebound 8 clicks out

HS 1/2 turn in from all open

sag 100mm

(when I trail ride I have LS and HS all the way out)

This is the stock stack

40 .2 (11)

34 .1

30 .1

40 .15

38 .25

36 .25

34 .25

32 .25

30 .25

28 .25

24 .25

22 .2

And this is what I was thinking of changing it to with the changes in bold

40 .2 (8)

30 .1

30 .1

40 .15 <-- remove

38 .25

36 .25

34 .1

32 .25

30 .25

28 .1

24 .1

21 .25

Do these changes look in the ball park? too subtle? too much? Is it gonna be too soft for MX?

any comments at all or any reccomendations appreciated!!!

Cheers

Vintage

[Vintage Not Pimpage]

I have also done the forks by replacing all the .15 shims with .1 in the BV and found a great improvement (just bottems out at the track sometimes when I stuff up!)

[kawamaha]

And this is what I was thinking of changing it to with the changes in bold

40 .2 (8)

30 .1

30 .1

40 .15 <-- remove

38 .25

36 .25

34 .1

32 .25

30 .25

28 .1

24 .1

21 .25

Do these changes look in the ball park? too subtle? too much? Is it gonna be too soft for MX?

any comments at all or any reccomendations appreciated!!!

Cheers

Vintage

i would give it a try - doesn't look bad

[Trick188]

Im in the middle of revalving the shock on my 01 YZ250 here. It was completely stock before and I found it to be a bit harsh for me trailriding on the tree roots, rocks etc. I also found it a bit harsh at the MX track over braking and acceleration bumps (mostly acceleration bumps) I just want to soften it up a little so its a bit more comfortable on the trails but can still do some decent sized jumps at the MX track. Im only a novice MXer but I find the shock works great at the track besides the acceleration bumps..

I had the compression 17 clicks out (from 22)

rebound 8 clicks out

HS 1/2 turn in from all open

sag 100mm

(when I trail ride I have LS and HS all the way out)

This is the stock stack

40 .2 (11)

34 .1

30 .1

40 .15

38 .25

36 .25

34 .25

32 .25

30 .25

28 .25

24 .25

22 .2

And this is what I was thinking of changing it to with the changes in bold

40 .2 (8)

30 .1

30 .1

40 .15 <-- remove

38 .25

36 .25

34 .1

32 .25

30 .25

28 .1

24 .1

21 .25

Do these changes look in the ball park? too subtle? too much? Is it gonna be too soft for MX?

any comments at all or any reccomendations appreciated!!!

Cheers

Vintage

are you doing your forks too?

It looks like that should help quite a bit- it will definetely soften up the slow speed damping but by taking out the first shim after the crossover it MIGHT be a little to light- might blow though the travel and bottom on g-outs pretty easy.

[frezno]

40 .2 (8)

30 .1

30 .1

40 .15 <-- remove

38 .25

36 .25

34 .1

32 .25

30 .25

28 .1

24 .1

21 .25

Do these changes look in the ball park?

Doesn't make too much sense to me.

imho those 10s are way off...

i'd rather try something like that:

40 .2 (8)

34 .1

30 .1

40 .15

38 .20

36 .20

34 .20

32 .20

30 .20

28 .25

24 .25

22 .25

20 .20

[kawamaha]

thats what i expected - ask 1000 people and get 1000 different answers...

i wouldn't do that stack for myself but i am shure it will be ok. but probably it will be as always - discuss this 10 hours instead of spending 2 hours to revalve the shock and test it - just my opinion;)

[Vintage Not Pimpage]

Yea I know... the reason it looks a little strange is because Im trying to use shims I have on hand from an old WR250 shock. Not the best way to go about it Im sure.. thought those .1 would soften up the high speed a bit

How about taking a few face shims off and removing a couple of shims from the bottem of the stack to soften the high speed like...

40 .2 (8)

34 .1

30 .1

40 .15

38 .25

36 .25

34 .25 <remove

32 .25

30 .25 <-- remove

28 .25

24 .25

22 .2 <--- maybe use the smaller 21 .25 clamp shim?

once again any advice is welcomed!!

[Vintage Not Pimpage]

Well in the end I went for

40 .2 (8)

34 .1

30 .1

40 .15

38 .25

36 .25

34 .25

32 .25

30 .1

28 .25

24 .25

21 .25

30 .25

40 .2 (3)

I noticed the rebound adjuster has almost as much affect on compression damping as it does rebound. I assume this is normal as it is a bleed around the piston and it works both ways?

Kinda wish I had stiffened up the rebound as I was running it 8 out before which makes compression feel stiff.

Cheers

[huskie]

Well, ok now at least you know what to do for the next time, ....like tomorrow:thumbsup:

I am in for the same deal, only i am trying to figure out my pds.

I am full out on rebound, so i want that clicker more into the middle-range, to get more oil tru the shims at compression and rebound. I have to conquer that with less compression shims, and also less rebound shims.

[mog]

i think your final stack looks good, dont forget you are loosing high speed when you remove low speed shims as the high speed is the total shim stack all added together.

I bet it rides nice.

[Vintage Not Pimpage]

Thats what I wanted to hear LOL!

Will test on the weekend, gotta get the shock pressurised and lube up the linkage

Cheers