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Old 01-31-2013, 08:58 AM   #1
buzybraza OP
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airbox deleted 950SE

So, I decided to get rid of the airbox on my 2008 950SE with about 7k miles.
This is what I removed:
airbox2 photo preairbox2_zps8556ea86.jpg

An inmate here sent me an aluminum base plate, which I used as a template to make my own:
baseplates2 photo baseplates1_zps0bf2757a.jpg

Then I cut the trumpets to fit inside the “sausage” JC30 from ITG. I probably cut too much off…
 photo cutstacks1_zpsd203cc94.jpg

Plate mounted on the bike:
baseon1 photo baseonbike1_zps4bbfcde0.jpg

Filter on:
itg1 photo filteron1_zps415c3dff.jpg

Ready to run:
itgskin1 photo filteronwskin2_zps1a93b395.jpg

How does it run? Like a bat out of hell !!! It is a kick ass setup for power! Not as good for dust protection or submarine capabilities!

Jetting:
Factory Pro needles in the second position.
175 mains
Mixture screws at 2.5 turns out
The rest is stock.

buzybraza screwed with this post 01-31-2013 at 12:30 PM Reason: more info
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Old 01-31-2013, 10:08 AM   #2
mousitsas
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Correct me if wrong, but in the way you have cut the trumpets, their tops will be pressed against the underside of the filter. Maybe this reduces a fair bit the breathing?
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Old 01-31-2013, 10:52 AM   #3
buzybraza OP
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No, the reason I cut the trumpets is so they don't touch the filter.
At the closest spot to the inside of the filter cage there is about 15mm clearance between the trumpet and the filter.
And trust me on this one, the bike is not breathing any less than it was before with the airbox!

buzybraza screwed with this post 01-31-2013 at 12:31 PM Reason: more info
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Old 01-31-2013, 11:43 AM   #4
mousitsas
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Quote:
Originally Posted by buzybraza View Post
No, the reason I cut the trumpets is so they don't touch the filter.
At the closest spot to the inside of the filter cage there is about 15mm clearance between the trumpet and the filter.
According to my measurements, the clearance between the trumpets and the seat pan on the SE is about 25mm, the filter itself is about 20mm thick, so how is this possible?

I am also thinking that maybe a bigger plate (wider and longer) would help to totally eliminate the flow of hot air from the engine underneath (if any).

mousitsas screwed with this post 01-31-2013 at 11:52 AM
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Old 01-31-2013, 11:53 AM   #5
buzybraza OP
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Your measurements could be wrong, as mine could also be wrong. I did not do any kind of precisely scientific measurements I did it "by feel". I am happy with my setup. My trumpets do not contact the airfilter and there is space between the two. Thanks for your opinion!
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Old 01-31-2013, 11:55 AM   #6
mousitsas
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Quote:
Originally Posted by buzybraza View Post
Your measurements could be wrong, as mine could also be wrong. I did not do any kind of precisely scientific measurements I did it "by feel". I am happy with my setup. My trumpets do not contact the airfilter and there is space between the two. Thanks for your opinion!
You are welcome! I am also thinking to do the same, but this trumpet thing has put me off so far...
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Old 01-31-2013, 12:02 PM   #7
buzybraza OP
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Yes, I did not like the idea of cutting mine either. That is why I tried to cut as little as possible. Some other folks have done the cut differently, just a straight cut at 1 inch measured from the bottom of the trumpets. This way both trumpets are the same. I don't know... if I eventually feel anything funky I can always cut more and even it out. I only have a couple days riding this new setup. Time will tell....
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Old 01-31-2013, 12:03 PM   #8
bigkuri
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Looks really good!

What would happen if you built up a plastic "curtain wall" around the whole thing, that goes up a few inches in order to preserve some wading depth of the bike?
If deep fording then the bike is moving; bow wave, so most of the water height is on that leading edge, and I think there is plenty of clearance, so the plastic wall could theoretically be similar height to the snorkel?
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Old 01-31-2013, 12:13 PM   #9
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Looks really good!

What would happen if you built up a plastic "curtain wall" around the whole thing, that goes up a few inches in order to preserve some wading depth of the bike?
If deep fording then the bike is moving; bow wave, so most of the water height is on that leading edge, and I think there is plenty of clearance, so the plastic wall could theoretically be similar height to the snorkel?
Obviously, there are lots of things that can be done, but at that point I would just put the stock airbox back on. I only did this mod because it was easy to do, just a flat piece of 3mm thick aluminum.

Also I live in southern California, mostly desert. Even if I were to do deep water crossings, I still think my setup is going to be more "waterproof" than most dirt bikes anyways......
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Old 02-01-2013, 04:42 AM   #10
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Quote:
Originally Posted by buzybraza View Post
Obviously, there are lots of things that can be done, but at that point I would just put the stock airbox back on. I only did this mod because it was easy to do, just a flat piece of 3mm thick aluminum.

Also I live in southern California, mostly desert. Even if I were to do deep water crossings, I still think my setup is going to be more "waterproof" than most dirt bikes anyways......
Congrats
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Old 02-01-2013, 04:57 AM   #11
charlie264
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I've got a feeling that the RC8 and S Duke velocity stacks are shorter than stock SE, seem to remember someone upgraded the Adv/SE for RC8 ones.

Might be worth a look,
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Old 02-01-2013, 05:54 AM   #12
KarimADV
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What about if you find some kind of water? I mean a river crossing or a offroad dirt?

Won't you kill your engine with this setup?
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Old 02-01-2013, 08:43 AM   #13
buzybraza OP
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What about if you find some kind of water? I mean a river crossing or a offroad dirt?

Won't you kill your engine with this setup?
I don't think so. I believe my intake is still higher up than most dirt bikes with airboxes under your butt. Plus as I said in post #9 river crossing are not my concern.

As for off-road dirt (I think you mean dust) you are right, I am not as protected against dust. That is why I will be running an oiled filter skin over the air filter even though I use my 950 on the asphalt.

If water or dust were a big concern for me I would NOT have done this modification.
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Old 02-01-2013, 08:44 AM   #14
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Congrats
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Old 02-01-2013, 08:48 AM   #15
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I was meaning mud ( sorry but english is not my motherlanguage ) but you answered anyhow :)
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