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  #1  
Old 04-01-2017
Marty MOOSE Marty MOOSE is online now
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SSS forks into a Beta 2016 350RR

Why I guess is the first question? Why not I like twin chamber forks and the SSS's on my Yamaha are great. The Sachs on my Beta are pretty good but they are open chamber and I prefer the feel of the twin chamber forks. So this is the start of another adventure and tinker. Hope it helps someone with the zook forks as they will fail eventually.


The two biggest issues that I see are the fork lug offset and the upper clamping surface on the fork outers. The Beta forks have a 35mm offset most of the SSS forks have a 32MM offset. I don't want to mess with the geometry of my bike its one the plus points of the Beta so am going with SSS with a 35mm offset. These forks are only off the 06 and 07 YZ's and YZF's and the later model WR450F's with the EFI 5 valve engine. They do vary in length from bike to bike by a small amount, I don't see this as an issue just adjust the height to suit. There are other issues like brakes and spacers but I will get to that as needed.

Below is a picture of the older style 35mm off set SSS forks



The next picture is from the 2014 Yz250f these are the later 32mm lugs, from 2010 on from what I can see they are anodised this colour the 2008-9 bikes they are the same design but bare aluminium in colour. Its easy to spot the difference with a picture.



The next major issue is the 56mm upper fork land on the pre 2010 bikes, the Beta is 54mm.

I can also post up my valving and spring and preload specs if people are interested, mine are nothing special a simple traditional starting point slightly adapted from the valving I changed in my 2014 YZ250f (sons now).

MM
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  #2  
Old 04-01-2017
Marty MOOSE Marty MOOSE is online now
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Well thinks are moving along 56mm upper now 54mm to suit the Beta clamps next is shim stacks, springs and preload. Should have a dummy fit buy the end of the week have wheel spacers ready to go.



Heaps of meat left just like the 54mm upper SSS.



Stacks I'm going to use are pretty traditional not sure how they are going to feel on the Beta. Feel free to comment I thought it was pretty std stuff. This is with a 0.48kgmm spring and no bleed stack.

Comp
32x0.11 (16)
24x0.11
30
28
26
24
22
20
18
16
14x0.25
14x0.25

Mid
20x0.11 (3)
18
16
14
12
10x0,2
11x0.25
12x0.1
15x0.3
17x0.3
Will fill and adjust to 0.3mm float.

Reb
20x0.12 (3)
11
20
18
14
13x0.2
12x0.2
11x0.2
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  #3  
Old 05-01-2017
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jT1 jT1 is offline
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Following with interest... I've never felt comfortable with the concept of Sachs components on the Betas, but I'll that out for what it is - prejudice. I'd rather see Beta hike prices $1500 over their current retail across the board and just run Ohlins as standard kit rather than an option.

Keen to read a ride report on the SSS conversion though!
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Old 08-01-2017
bowser bowser is offline
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I ran this on my husky 501

Comp
32x0.11 (14)
30
28
26
24
22
20
18
16
14x0.3


Bleed stack fitted
18x.11
14x.11
11x.25 (x6)
22x.11 (x2)

Mid
20x0.11 (3)
18
14
11x0.15
11.3 (2)
15x0.3
17x0.3
0.35mm float.
stock bleed hole

Reb
20x0.12 (3)
11
20
18
14
13
11x0.1 (3)

i stuffed around using base crossover for ages but like it better without it. This was the older style mid spring not the leaf style
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  #5  
Old 09-01-2017
Marty MOOSE Marty MOOSE is online now
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Quote:
Originally Posted by bowser View Post
I ran this on my husky 501

Comp
32x0.11 (14)
30
28
26
24
22
20
18
16
14x0.3


Bleed stack fitted
18x.11
14x.11
11x.25 (x6)
22x.11 (x2)

Mid
20x0.11 (3)
18
14
11x0.15
11.3 (2)
15x0.3
17x0.3
0.35mm float.
stock bleed hole

Reb
20x0.12 (3)
11
20
18
14
13
11x0.1 (3)

i stuffed around using base crossover for ages but like it better without it. This was the older style mid spring not the leaf style
Cheers Bowser I did notice lots of people on TT have gone round in circles from cross overs between face shims, two stage stacks and back to single stage stacks with soft active mids, softer than yours. Why do you perfer the feel with a straight stack ? Also how was the service life of the 14 in your mid did it bend over time?

I've fitted the above stacks to mine already so am just going to test them as is for now. Ride report coming just waiting on a brake adapter and few small parts I have to make.

MM
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  #6  
Old 09-01-2017
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Jakobi Jakobi is offline
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I've been running a low float setup in my set on my EC250R for some time now, with a soft-ish 2 stage BV, although my crossover is on the larger side. I think next service I will probably open up the float some more, and then close the clicker on the BV or possibly beef the BV up some more.

I like the sharp feeling and the fork works very well when being pushed hard, however as the kms rack up and ride fitness (or lack of) start to impact things, the rocks and roots start to take a bit more toll and the feedback through the bars is a bit more noticable. I'm running an Ohlins 888 shock though, which I've never been 100% happy with either..

Being that you've got the Sachs dialled in already you shouldn't have too much trouble hitting a decent baseline with the SSS and then refining it after a little seat time.
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  #7  
Old 05-01-2017
Marty MOOSE Marty MOOSE is online now
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Yeh will post up. Sachs to be honest once valved are pretty good. The shock is fantastic the forks are excellent once sorted but alas are not tc. Ohlins meh
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  #8  
Old 07-01-2017
DaoRadivo DaoRadivo is offline
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I've got a set of SSS forks I'm not using from a 2010 YZ250F sitting here. If you need any measurements, let me know!
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  #9  
Old 07-01-2017
Marty MOOSE Marty MOOSE is online now
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Quote:
Originally Posted by DaoRadivo View Post
I've got a set of SSS forks I'm not using from a 2010 YZ250F sitting here. If you need any measurements, let me know!

Cheers got it covered I think. Did a dummy fit the other day all good. Waiting on a brake adapter and brake line hose clamp.

MM
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  #10  
Old 09-01-2017
Marty MOOSE Marty MOOSE is online now
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Hope so Jakobi pretty hard to go wrong with Sss or at least was on my yzf. Had a chance to ride a few bikes of late good to feel other suspension. 2017 350 exc was a dog terrible suspension chassis ok engine rattled, vibrated revved up quick but had traction issues.

2017 450xcf was a hoot suspension much better the air fork was pretty good on the terain I rode on. Engine again rattled and on of throttle was abrupt. Least ktm had lost the twitchy front end. Still preferred the beta pretty much every where the sachs hold their head very high I think.
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