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  #1  
Old 3 Weeks Ago
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05 EXC 300 rocks & roots shim stacks

Model is getting on in years but this is my snotty tracks bike & the suspension (mainly forks are horrible hard & deflect off anything).
I believe the mid valve needs attention to the shim stack this model. I've looked everywhere I know of for some stack configurations to start experimenting with in mid & rebound for single track type riding. Being computer illiterate doesn't help my cause. I've installed Gold valve in the base valve & got a 2 stage set up in there (yet to test ride) but looking for advice on the other stacks to try get a nice all-round fork for the type of riding this bike will do.

90kg rider no gear.
.40 springs (RT recommended)Have a set of .44 or .45 (Technik recommended) if needed.
Like it plush in initial stroke & firming as it compresses.
Not riding at a cracking pace.2nd & 3rd single mainly
RT rear spring for my weight sag 40-50/105

TIA
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Old 3 Weeks Ago
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0.40 springs are soft.

Share your current shim stacks and we'll build you something better.
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Old 3 Weeks Ago
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Quote:
Originally Posted by dwb79 View Post
0.40 springs are soft.

Share your current shim stacks and we'll build you something better.
Thanks for that. I'll give it a run sunday & come back to you.
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Old 2 Weeks Ago
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Quote:
Originally Posted by dwb79 View Post
0.40 springs are soft.

Share your current shim stacks and we'll build you something better.
I'll give you what I have in the BV currently. Mid & Rb are stock.

05 KTM 300
172cm 55 yo 85 -90kg rider no gear riding mainly tight single with rocks, roots & ledges (Ormeau & sunny coast)
This is the race tech set up in their DVS system which is in now.
5WT oil
.40 springs 4mm preload
New bushes & seals throughout.
110mm air gap
Gold valves
24 .10 x 7
16 .10
24 .10
22 .10
18 .10
16 .10
14 .10
13 .10
12 .10
11 .10
10 .10

Comp out 10
Reb out 18

This was a vast improvement over the .44 springs with over 10mm preload (how bike came) & std BV, MV + RB & std stacks.
Initial stroke is plush in first 3rd of stroke. Has a spike about mid stroke that causes the front to deflect off mid sized trail rocks (150mm dia). Its not bottoming out over the terrain its ridden in ATM but probably will hitting square edges with a bit more pace.

Question is would I be better off with the firmer .44 springs & adjusting valving
& oil level to suit? Giving me a bit more bottoming resistance over faster ground & square edges & holding the bike a little higher? I will also be swapping triples to 18mm offset too.

I prefer front a bit soft/plush in initial part of stroke crawling over the goulie type boulders

Rear shock is std valving but with a Race tech progressive spring to suit 85-95 kg rider I got off Brad Williscroft. Static set at 35 unsure of loaded.

Any guidance is very much appreciated. Only new to valving but like the technical aspect of it & having some direct input into getting it all working as best it can.
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Old 2 Weeks Ago
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I'd suggest these simple changes before any more valving changes.

- 0.44 springs with 4mm preload
- Oil height at 130mm
- Set rear rider sag to 120mm

After making these changes, ride it and report back. We can take the next step after that.
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Old 2 Weeks Ago
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Quote:
Originally Posted by dwb79 View Post
I'd suggest these simple changes before any more valving changes.

- 0.44 springs with 4mm preload
- Oil height at 130mm
- Set rear rider sag to 120mm

After making these changes, ride it and report back. We can take the next step after that.
Awesome. Thank you. Hopefully have the new triples to swap out too.
Cheers
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Old 1 Week Ago
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Quote:
Originally Posted by dwb79 View Post
I'd suggest these simple changes before any more valving changes.

- 0.44 springs with 4mm preload
- Oil height at 130mm
- Set rear rider sag to 120mm

After making these changes, ride it and report back. We can take the next step after that.
Ok. Tried out your settings & springs. First ride was deflecting terribly. Went out 3 more on comp(now 13 out) Different bike. Still not where i want to be. Will go another 2 out next ride. What I did notice was steering was not as sharp (slow) riding higher in stroke with heavier springs in front. However the mid stroke spike wasn't as noticeable. Just waiting on new bearings to install 18mm offset triples.
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Old 1 Week Ago
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Quote:
Originally Posted by dirtboy View Post
Ok. Tried out your settings & springs. First ride was deflecting terribly. Went out 3 more on comp(now 13 out) Different bike. Still not where i want to be. Will go another 2 out next ride. What I did notice was steering was not as sharp (slow) riding higher in stroke with heavier springs in front. However the mid stroke spike wasn't as noticeable. Just waiting on new bearings to install 18mm offset triples.
Generally, slower to steer can be a good thing on a KTM.

What is your rear static sag now with the rider sag set to 120mm?
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Quote:
Originally Posted by dwb79 View Post
Generally, slower to steer can be a good thing on a KTM.

What is your rear static sag now with the rider sag set to 120mm?
35-40 from memory.
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Old 5 Days Ago
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Quote:
Originally Posted by dwb79 View Post
Generally, slower to steer can be a good thing on a KTM.

What is your rear static sag now with the rider sag set to 120mm?
Checked again. 35mm static
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