1290 Suspension

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Re: 1290 Suspension

Post by Rhino48 » Mon Oct 03, 2016 11:57 pm

New-ish 1290 Owner here (Bought in May 2016). Thought I'd provide some info on suspension mods that I did.

First the Shock:
I got an Eibach 1100lb/in spring, as I'm a thick individual, 275 lbs give or take a couple beers. This seems very good.

I removed the primary 18.0 x .30 clamp shim from the rebound stack, and replaced with a 20.0 x .35 (didn't have a .30, I would normally have gone that way had I had the part.Not a huge deal with this stack, though.) This makes for more high speed rebound damping. The stack is a 2 stage, so it still has similar low speed characteristics but the high speed kick it had is gone.

I also decreased the compression damping by replacing the 18.0 x .30mm clamp shim with a 17.0 x .30mm

Vacuum filled with Bel-Ray HVI 5WT, and 145lb nitrogen.

It works great for me now, albeit I have the high speed compression nearly maxed out now. A 17.5mm clamp shim might be the right choice on the compression side. Since I'm happy with where it ended up, I won't bother changing it.

I did a track day with it, and am very pleased with the performance. The high speed wallowing is all but gone, and had no other suspension related drama. (A trackday I did before the shock work found me having the rear step out in mid-turn bumps due to lack of HS rebound, it doesn't do that anymore.)

I had previously done the forks a bit too, improved, but less so with them. That's probably because I didn't get stiffer springs in there yet - more on that later (maybe, i'm kinda bored typing already..haha)

Cheers,

Dave

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Re: 1290 Suspension

Post by Turkishexpress » Sat Dec 17, 2016 11:37 pm

Can anyone verify the spring dimensions on the 1290 for me?

Front fork spring: 36.5mm OD - 250mm long (4.48mm wire gauge)
Rear 59mm ID 185mm long (Rate 17 kg/mm) (Also saw that someone said it tapers to 57mm on the low end, is this correct?)

Any verification would be appreciated. I'm getting new springs made through Cannon Racecraft. Thanks.

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Re: 1290 Suspension

Post by mochilo123 » Thu Dec 29, 2016 5:11 pm

Just leaving this here

Image

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Re: 1290 Suspension

Post by frankm1 » Thu Dec 29, 2016 6:14 pm

That looks like Ohlins cartridge for the 1290, stop teasing, what is it?

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Re: 1290 Suspension

Post by Scuba1290 » Fri Dec 30, 2016 12:39 am

frankm1 wrote:That looks like Ohlins cartridge for the 1290, stop teasing, what is it?
I have an AK-Gas cartridge kit in mine ;)


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Re: RE: Re: 1290 Suspension

Post by mochilo123 » Fri Dec 30, 2016 10:48 am

frankm1 wrote:That looks like Ohlins cartridge for the 1290, stop teasing, what is it?
Yes sir, it is a NIX30 adapted cartridge :)

I put some 10 N/mm springs with a heavy top-out spring to avoid wheelieing in every acceleration and rear Öhlins TTX with 180N/mm to see how it behaves. I'll give feedback. I rode it a few km with fog and wet road, feels much more compact and planted, and I would say tons more of traction. I'll let you know as soon as I take her for a proper ride

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Re: 1290 Suspension

Post by Akalnoky » Fri Dec 30, 2016 10:37 pm

I have fitted Andreani cartridges in the front and an Ohlins TTX GP shock in the rear. The bike rides over bumps far better and does not stand up cornering hard on rough roads like it used to. Suspension action is so much better I have backed off the Scott's damper as well.
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Re: RE: Re: 1290 Suspension

Post by mochilo123 » Fri Dec 30, 2016 10:39 pm

Akalnoky wrote:I have fitted Andreani cartridges in the front and an Ohlins TTX GP shock in the rear. The bike rides over bumps far better and does not stand up cornering hard on rough roads like it used to. Suspension action is so much better I have backed off the Scott's damper as well.
Yes exactly, I left the original steering damper to see how it behaves.

Your andreani cartridges have 25mm piston, anyway, do you know what spring rate you have on the front?

Cheers!

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Re: 1290 Suspension

Post by Akalnoky » Mon Jan 02, 2017 7:58 am

Sprung for my riding weight of 77kg.

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Re: 1290 Suspension

Post by JDS1290SDr » Sun Jan 22, 2017 5:10 pm

So. I have explored the Andreani cartridge kit. I ordered it sprung for my weight. They appear to be the right springs. I read on the FZ forums some buyers were just getting the standard spring.
These are 25 mm cartridges.
Reading this gives a very in depth look & possible improvements for the Kit. http://www.fz09.org/forum/14-fz-09-perf ... post270818

It makes sence the way he describes the piston order.
Question is. Are the cartridges for the 1290 SDR the same as the FZ, just slightly modded to fit our larger forks?
Last edited by JDS1290SDr on Sun Jan 22, 2017 9:23 pm, edited 1 time in total.
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Re: 1290 Suspension

Post by kevxtx » Sun Jan 22, 2017 8:18 pm

JDS1290SDr wrote:So. I have explored the Andreani cartridge kit. I ordered it sprung for my weight. They appear to be the right springs. I read on the FZ forums some buyers were just getting the standard spring.
These are 25 mm cartridges.
Reading this gives a very in depth looks & possible improvements for the Kit. http://www.fz09.org/forum/14-fz-09-perf ... post270818

It makes sence the way he describes the piston order.
Question is. Are the cartridges for the 1290 SDR the same as the FZ, just slightly modded to fit our larger forks?
I am one of those MT09 riders that rebuilt my Andreani inserts, as far as I know there are only 2 of us so far that have these high flow valves, I had my forks apart quite a few times before I was happy with the new valving shim stacks, the new valving kit it is not a buy & slap together mod kit it comes with an assortment of shims & you need adjust the pack to suite your ride, I also played quite a bit with different oil heights.

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Re: 1290 Suspension

Post by JDS1290SDr » Sun Jan 22, 2017 9:22 pm

Thx Kev. I seen your name associated with these on the FZ/MT forum.
Glad U piped in with your knowledge.
I just installed mine. I used 7wt Belray fork oil. Its to heavy. Or as stated in the FZ thread, these cartridges need different valving shims.
I see where U used 2.5 weight. Im going to try that on both the Compression & Rebound legs.
When I pulled the OEM forks off I did the pogo stick test. I was quite impressed with the the OEM rebound side. The adjustment actually worked.
Then I checked the compression side. I felt no changed from fully open to fully closed. It was just like a pogo stick.
Theres only 1400 ish kms on these forks. Oil was clear.

I installed the kits with 6 complete turns available(not 4) on the R & C valves(as U had done)
When I close the C valve fully its very slow to compress. When open its definitely better, but to restricted, I believe. When I close the R valve fully the rebound is extremely slow. Fully open on rebound is a lot better, but still seems slow compared to other forks Ive had with Ohlins cart kits.
I hope the 2.5 weight does the trick. With your experience on these, do U think we will have to buy the valving kits,,,, are these the same cartridges that the FZs are using? This one is 25 mm OD.
Thx. John

Edited. I thought the Belray was synthetic.
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Re: 1290 Suspension

Post by kevxtx » Mon Jan 23, 2017 7:15 am

If you speak to Matt Patton in the US he can custom make some needles for you with a lessor tapper & more turns, I also found the tapered angle on the Andreani needles for my 2016 MT09 to be very steep with limited adjustment, I will look into these less tapered needles later when I swap the Andreani's in to my 2017 MT09.

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Re: 1290 Suspension

Post by JDS1290SDr » Mon Jan 23, 2017 4:32 pm

^^^ Do U have a email address associated with "Forks by Matt" I cant seem to find one & I don't really want to join FZ09 just to PM him.
Im going to try 2.5 weight today. Hopefully that resolves this possible issue. I wont get to ride the bike for a few more months.
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Re: 1290 Suspension

Post by kevxtx » Mon Jan 23, 2017 8:02 pm

JDS1290SDr wrote:^^^ Do U have a email address associated with "Forks by Matt" I cant seem to find one & I don't really want to join FZ09 just to PM him.
Im going to try 2.5 weight today. Hopefully that resolves this possible issue. I wont get to ride the bike for a few more months.
Just PM you Matts email address.

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Re: 1290 Suspension

Post by JDS1290SDr » Mon Jan 23, 2017 11:19 pm

Thx Kev. Ill pm Matt to see what he suggests.


I couldn't get any 2.5 weight today.
I did remove the 7 wt Belray from the compression side today & put the OEM oil back in. AS,,,, it seemed thinner. It must be thinner. The fork compresses easier. Still restricted with damping valve fully open.
I hope the 2.5 does the trick.
On a side note. I seem to have acquired a abundance of used fork oil this yr. :)
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Re: 1290 Suspension

Post by kevxtx » Tue Jan 24, 2017 7:20 am

JDS1290SDr wrote:Thx Kev. Ill pm Matt to see what he suggests.


I couldn't get any 2.5 weight today.
I did remove the 7 wt Belray from the compression side today & put the OEM oil back in. AS,,,, it seemed thinner. It must be thinner. The fork compresses easier. Still restricted with damping valve fully open.
I hope the 2.5 does the trick.
On a side note. I seem to have acquired a abundance of used fork oil this yr. :)
Same as me I have bottles & bottles of different grade fork oils at home.

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Re: 1290 Suspension

Post by JDS1290SDr » Tue Jan 24, 2017 5:10 pm

Ok. I sent Matt a email last night.
Heres a link he sent me.
https://dl.dropboxusercontent.com/u/180 ... ights.html
Ive seen that B4 but never really paid much attention to it.
The Ohlins 01309 oil that is recommended for these Andreani Kit is a 2.5 weight. (according to the chart) On the Ohlins bottle that I looked at B4 I bought the Belray 7wt it states that it is a 19 wt. WTF ?
That ohlins oil is priced like gold. Over $50 for a litre. The Belray was $24. Easy for me to go with what I thought was a less VIS oil when it was 1/2 the price. :)

I hope the 2.5 wt does the trick. If not I will pull these cartridges apart & take some measurements & send them to Matt..
Heres Matts contact info in case anyone has some questions. info@forks-by-matt.com
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Re: 1290 Suspension

Post by kevxtx » Tue Jan 24, 2017 7:52 pm

Matt also gave me the same oil spec sheet, very handy. Lucky we can get a few different blends of 2.5w for around $20.00 in Oz.

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Re: 1290 Suspension

Post by JDS1290SDr » Fri Jan 27, 2017 12:35 am

I finally picked up some 2.5 wt. Motul Very light SAE 2.5W. 100% Syn.(less then 1/2 the price of Ohlins oil) Its like water. I thought this might be too light. The compression side still feels a little to restrictive for road riding. I wont know until April. Someone stated that they are a RACE cartridge. It does have "Race use only" stamped in the side of the cartridge. More adjustability would have been nice.
I don't think Matt has pistons for the Cart. The rebound side piston was a 20 mm.

Edit: More adjustability may be a incorrect term. I opened them up again this morning. Ive been puzting with these things quite abit. Ive went back to 6 full turns on the damping valves.
Fully closed on either C or R would be unusable. It takes 3 seconds for the rebound to uncompress when fully closed. The C side is the same. Unusable.
Preload adjustment is nice.

Another thing. Most of the Ohlins cart kits I worked with have have C - R in both legs. So I will assume they would feel less restrictive being as its x 2 ? Time will tell on these babies for me. As I wont get to put them to a real test until the snow melts.

On another note. Next time one of U guys take your OEM fork off. Check the compression side. Mine had no difference in feeling when the valve was fully close or fully open.
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