smog system removal

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  #21  
Old 11-12-2008, 11:25 PM
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Originally Posted by horizonod
Mine "popped" while backing down, especially downhill, WITH the reburner. It's torn up now so I don't know if the reburner mod helps or not. I guess I'll never know since I'm throwing a bunch of stuff into it while it's taken down.
Right that's what I'm saying. That fuel is getting burned up so the condition inside the exhaust is lean. From what I've read, popping and bubbing is the result of a lean air/fuel mixture.

I've got my autozone plugs and clamps (just in case it's not snug enough for me).

I'm going out to remove it now.
 
  #22  
Old 11-12-2008, 11:37 PM
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Glad we didn't get that "tree hugger" crap down here. I more piece of s*#t for the parts bin. It's 250 cc, how much f#$kin' pollution can it produce. I bet that Dodge Ram you have parked in the garage doesn't have a "smog" circuit, LOL, and I bet it chokes out more co2 than the little green beast too. Just by a little bit. Crazy !
 
  #23  
Old 11-12-2008, 11:46 PM
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AND....I'm done.

That was easy. Like 09KLX said, you don't really need to clamp the caps. They feel VERY snug. However I'm going to clamp them anyway. Redundancy never hurt anyone when it takes 2 seconds to do.

I would start with the airbox hose first, then the carb, then pull of the round rubbery bit out of it's mount. Snake all the hoses out of the frame, and that will give you some leverage to pull the crank case hose in the front. That one's the hardest.

Seriously that was really easy. If it cures my valve cover gasket leaking and decleration popping I'll be ecstatic.

Just go for it OP. Autozone has the vacuum caps.
 
  #24  
Old 11-13-2008, 12:02 AM
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Originally Posted by buffalony
The smog system takes unburned hot exhaust and recycles them back into your carb, which why you have the hose on your carb. the recycle is to make sure that all unburned gasses are burnt before they go out the tailpipe and into the world. It is all about clean air and less pollution.

Here is the deal with horse power and the reason why cold air intakes work. Colder air better atomizes the air/fuel mixture which means you get better more thorough burn which is why you get more horse power. With colder more dense air you can add more fuel which is the real reason for more power. The ONLY way to make more power is add more fuel. Inorder to burn the fuel you need more air.

Hot air=
Cold air=

If you want to make the bike look real pretty after you pull it off Bill blue sells a alluminum plug for the fitting on the front of the bike for 5.00.
That makes sense Buff. Re-burning exhaust gasses via the air box it's taking HOT air and mixing it with ambient air which can only raise the temp of intake air. Plus I can't see exhaust gasses helping cumbustion.

The whole smog thing seems stupid. It can only "reburn" a tiny tiny percent of the exhaust gasses and with the warming of intake air combustion suffers. Would'nt slightly less efficient combustion actually create more unburned fuel??

Sounds like a net ZERO proposition to me.

To go overboard. There's the pollution from the manufacturing of the parts and the added burden on the landfills when we throw them away.
 
  #25  
Old 11-13-2008, 12:32 AM
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Originally Posted by ZX1100F1
Be careful not to confuse Kawasaki's KCAS (air injection) system with an EGR (exhaust gas recirculation) system, the KCAS system injects fresh air into the exhaust stream during deceleration to more completely burn the gasses that leave the engine before they exit the tailpipe.
The hose on the carb tells the actuator to open during high vacuum (decelerating) conditions.


I was about to say that. I think we have just the regular air injection (well, most of us). That puts fresh air into the pipe so when the machine backfires (all 4 strokes backfire, you just may not hear it) it completely burns the fuel up instead of blowing it out the pipe. The other system reburns exhaust. Two totally different things by the way I understand it. I'm not 100% on this though being I'm use to machines without this technology. I think the CA model might have the KCAS but the rest of us just have the fresh air injection.
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Last edited by JasonFMX; 03-29-2011 at 08:24 AM.
  #26  
Old 11-13-2008, 12:33 AM
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LOL I just noticed a few of you guys are saying about a reburner. LOL..sounds like we're running F18's here or something.
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Last edited by JasonFMX; 03-29-2011 at 08:24 AM.
  #27  
Old 11-13-2008, 07:04 AM
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Originally Posted by horizonod
LISTEN UP!!

Ultra endearing way to begin a post. Especially when berating a group of, mostly, adults.

As far as the smog and crank breather mods, if YOU think they are a waste of time:

#1. Why did YOU do it ?

#2. Why did YOU do it a SECOND TIME??

(If somebody told you to jump off a bridge, would you do it??)....(not AGAIN)

#3. Why should you care. Has somebody somehow wasted YOUR time while doing THEIR mods??

Many people have suggested the mod. About as many people have said it's no HP maker but might help exhaust temp. That doesn't sound like a waste of time. It sounds like some modder trying to make his ride just a tiny bit better. Alot of tiny bits add up plus, I'm having FUN farting around with my KLX.

We're all here to BS, learn, provide advice or in one way or another be friendly and HELP OUT.

You sound like your berating a child. Nobody here is a child and it's not your job to "correct" people that feel like wasting their own phuquing time!

I was warned about you in my first post. I replied that I gave everybody the benefit of the doubt until they proved they didn't deserve it.

Congratulations....YOUR #1 !!!

Sorry for the newbi rant but JEEZ!!
LISTEN UP ROOKIE!!
I never said the mod itself is a waste of time- READING COMPREHENSION. Don't be so quick to jump on the IG hater bandwagon.
I said running a tube and filter to the airbox itself is a waste of time. The mod, when done with a red hot drill bit and some vise-grips is very quick, easy, and neat and it benefits you with a seat of the pants quicker rev. This mod has nothing to do with the smog system removal mod to clarify you.
When I referred to the "first ds bike owner", I was talking about jasonfmd. He has never even had his carb off his bike and I doubt has any idea of what this cc or smog removal mod entails. He posts with the "I've read, or I've heard this" when he is talking about mod steps or processes.
I've been there with each mod. I'm not perfect but I can at least say I've done every mod talked about here by myself.

As far as the 1.9L for engine oil, my mistake. I was thinking of my DRZSM I had between KLX's. It's 1.4 or 1.5L depending on if the engine is completely dry and filter is removed as well.

I wasn't looking for trouble from you, but hey, if you want to be a dick I can be a bigger one. It's up to you. You're the one coming on here asking for help, not me. I'm trying to help with raw experience, not from something I read in the search function with reassurance seeking tendencies like some other member who posts in every thread does daily.
 
  #28  
Old 11-13-2008, 12:03 PM
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Originally Posted by JasonFMX
all 4 strokes backfire, you just may not hear it
Really? u talking bikes? not ALL 4 stroke motors...? And some have cut the back fire screen out.....
 
  #29  
Old 11-13-2008, 02:29 PM
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How did you manage all of the other mods on your bike? all u do is disconnect 3 hoses and plug the outlets with with an assortment of different sized vacuum caps from the local autosupply.
 
  #30  
Old 11-13-2008, 04:53 PM
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Originally Posted by 09KLXowner
I was talking about jasonfmd. He has never even had his carb off his bike and I doubt has any idea of what this cc or smog removal mod entails. He posts with the "I've read, or I've heard this" when he is talking about mod steps or processes.
Do you sit in my garage with your voyer cam? I've had my carb off twice on this bike. And have taken carbs off more bikes than i can count. Your the rookie here if anything. And I've personally done all these "free" mods to my bike. Including removing the air injection on this bike.
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Last edited by JasonFMX; 03-29-2011 at 08:24 AM.


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