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Old 07-31-2013, 03:07 AM   #196
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Quote:
Originally Posted by montibank View Post
No metion of jetting ... Anyone run any of these 2-1 setups on a 950? If so did the manufacturer supply a starting point for jetting setup?
I have the 2-1 GPR Rally system on my otherwise stock 950, no mention of re-jetting anywhere (in fact they state it's not necessary).

That said, it's defenitely running a bit lean.
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Old 07-31-2013, 03:48 AM   #197
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Quote:
Originally Posted by Unruled View Post
I have the 2-1 GPR Rally system on my otherwise stock 950, no mention of re-jetting anywhere (in fact they state it's not necessary).

That said, it's defenitely running a bit lean.
160/165 for that one @sea level

mousitsas screwed with this post 07-31-2013 at 04:45 AM
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Old 07-31-2013, 05:23 PM   #198
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Any one got a left hand akro hexagon or ti oval muffler they want to sell
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Old 07-31-2013, 08:22 PM   #199
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Quote:
Originally Posted by mousitsas View Post
160/165 for that one @sea level
After many tears, bloody knuckles, and a thrown wrench or two my home made 2-1 FMFQ (modified) 2004 950 is finally running decent.

158
155
Alt: 328'
Temp: 100 F
RH: 30%
Clips @ 3
IMS @ 2.0 and 1.75
Pre-filter on and K&N style oil/cotton filter
EPC removed, SAS removed, cats gone otherwise stock :p

Feels like clips may need fine tuning but it runs

montibank screwed with this post 07-31-2013 at 08:29 PM
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Old 07-31-2013, 10:49 PM   #200
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Quote:
Originally Posted by montibank View Post
No metion of jetting ... Anyone run any of these 2-1 setups on a 950? If so did the manufacturer supply a starting point for jetting setup?
On my 05 950 I have a 2-1 with a ti Remus and a prefilter. Stock jetting and it runs great.
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Old 07-31-2013, 11:56 PM   #201
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Note

GPR and the typical moded 2-1 are quite different
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Old 08-01-2013, 01:53 AM   #202
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Originally Posted by mousitsas View Post
GPR and the typical moded 2-1 are quite different
Yes.

Mine started with 148 and 152 mains clips at 3.5 and was stupid rich. Had other issues too, but it got me from southern cali to central cali on one cylinder. Haha... That was the WORST ride over the grapevine @ 1 am I have ever been on.
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Old 10-05-2013, 05:58 PM   #203
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I didn't see anyone mention whether or not the FMF Q4 Ti cans will handle the heat and pressure from a 2 to 1 conversion.
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Old 10-05-2013, 10:23 PM   #204
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Quote:
Originally Posted by 556baller View Post
I didn't see anyone mention whether or not the FMF Q4 Ti cans will handle the heat and pressure from a 2 to 1 conversion.
The Q4 is a popular option for the 2-1
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Old 10-05-2013, 10:48 PM   #205
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Quote:
Originally Posted by 556baller View Post
I didn't see anyone mention whether or not the FMF Q4 Ti cans will handle the heat and pressure from a 2 to 1 conversion.
I have been running the FMF Q4 Ti and a 2-1 on my 950 SE-R for over 4,000 trouble free miles. Many miles were at highway speeds, no issues and running H2W Jetting (thanks Ken).
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Old 10-06-2013, 06:58 PM   #206
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Quote:
Originally Posted by NWMotohead View Post
I have been running the FMF Q4 Ti and a 2-1 on my 950 SE-R for over 4,000 trouble free miles. Many miles were at highway speeds, no issues and running H2W Jetting (thanks Ken).
thats good enough for me, thanks...
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Old 03-01-2015, 06:42 AM   #207
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Question HELP! - can't remove OEM manifold

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Originally Posted by Hodgo View Post
Anyone here change to a 2 into 1 and keep one of the Akro's ?
Firstly, apologies for resurrecting an old thread

Yes, that's exactly what I'm in the middle of doing. I have both a 950SE (with 2 Titanium Akro's) and a 990 ADV (with OEM silencers)

I've bought two 2-into-1 manifolds (from ebay) with the intention of putting 1 of the Akro's from the 950SE onto the 990 ADV. I'm a little concerned about those at the moment, because they look pretty much identical to me, and from reading comments in the thread they should be somewhat different between the two bikes... when I get further into it, I may get bitten by that

At this point, I should mention that I'm quite a mechanical novice...

I've currently got both bikes mostly stripped down, but I'm a little stuck. I can't seem to remove the old manifold from the SE.

Is there some kind of trick to freeing it up? all the clamps and bolts are removed, the silencers are removed, and I've also removed the rear mudguard and lower subframe bolts so I can get more access... but the manifold is pretty tightly stuck on to the engine side

Is the trick to completely flip up the subframe, so that the mountings for the manifold are no longer fouled by the subframe, and then start rotating back and forth?

I've got the 990 sitting with a load of penetrating fluid on the bolts for the silencers before I progress with that, but having read the comments in the thread it seems that the trick with that is to drop the subframe rather than raise it

Thanks in advance...
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Old 03-02-2015, 06:46 AM   #208
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It's been a while since I removed these from a 950 as that bike is slong gone.

You may need to pretty much remove the subframe to get the "H" pipe off.

Also the SE and ADV are definitely 2 different 2>1 manifolds.
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Old 03-03-2015, 03:54 AM   #209
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Quote:
Originally Posted by WIsixfitty View Post
It's been a while since I removed these from a 950 as that bike is slong gone.

You may need to pretty much remove the subframe to get the "H" pipe off.

Also the SE and ADV are definitely 2 different 2>1 manifolds.
Thanks

I managed to get the SE's H pipe off by fully taking off the subframe - with it in place, the mounts for the pipe kept fouling themselves on the pillion footpeg mounts. With the subframe removed it didn't take that much effort at all

Going to tackle the 990 in a few hours... penetrating fluid has been sitting on the silencer bolts for a few days now, so hopefully they'll come off without a problem, at which point I'll be able to get a good look at the H pipe

Sounds like I probably have two manifolds for the SE :-/
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Old 03-03-2015, 04:00 AM   #210
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Quote:
Originally Posted by WIsixfitty View Post
Also the SE and ADV are definitely 2 different 2>1 manifolds.
Hmm... I've just checked the Adventure Spec website for the 2>1 manifolds.. it's the same part for all bikes (http://www.adventure-spec.com/defaul...t-adapter.html). This is what mine look like (although not quite as shiny!)

If you click the technical info tab, it says "* Will work with any exhaust designed for the 950/990 except those requiring a different midpipe such as the Leo Vince."

I've checked the KTM fiche-finder, and yes - the OEM H pipes ARE different, and different part numbers. However, it seems that the 2>1 H pipe is the same for all bikes

If this turns out not to be true, then I'll be sure to update the thread... and to inform Adventure Spec
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