Fog's Air box Mod - Page 3 - Ex-500.com - The home of the Kawasaki EX500 / Ninja 500R
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post #51 of 150 (permalink) Old 10-5-2010, 4:59 AM
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Re: Fog's Air box Mod

Quote:
Originally Posted by Ghostt
funny how just drilling a 1" hole in a piece of plastic causes so much drama
um... so if one were to drill the side instead of the back, that doesn't make a difference, yeah? Just to add to the drama...

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post #52 of 150 (permalink) Old 11-16-2010, 8:04 PM
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Re: Fog's Air box Mod

Quote:
Originally Posted by gbologna
Is the engine much louder after this mod?
My engine actually sounds louder at idle after doing the mod. I suspect it may be more due to the K&N filter, because covering the 1 inch hole doesn't have an effect, but it now has more of a metallic/echoing sound with each cyclider firing. Somewhat like if you were to hold a coffee can over the exhaust. Not a pinging noise or anything that sounds broken, but definitely a different note to it. Anyone else have this experience?
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post #53 of 150 (permalink) Old 11-16-2010, 8:05 PM
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Re: Fog's Air box Mod

It's your brain.
 
post #54 of 150 (permalink) Old 11-16-2010, 10:44 PM
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Re: Fog's Air box Mod

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Originally Posted by Pogo
It's your brain.
I'm with Pogo on this

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post #55 of 150 (permalink) Old 11-17-2010, 12:56 AM
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Re: Fog's Air box Mod

It didnt change my sound, what exhaust do u have? stock? modified? I did the mod on both my bikes and neither changed.





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post #56 of 150 (permalink) Old 11-17-2010, 2:33 PM
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Re: Fog's Air box Mod

Quote:
Originally Posted by VICIOINA
It didnt change my sound, what exhaust do u have? stock? modified? I did the mod on both my bikes and neither changed.
Stock exhaust. The only thing that was changed that day was adding a K&N, cutting the 1" hole, adding a fuel filter and replacing the fuel line from tank to carb. I guarantee you the sound has absolutely changed, so now I'm wondering if I didn't do something right. The new sound is just like the old sound, but like it was muffled previously and now it's been 'uncovered'. The sound comes more from the engine/carb area, and not so much the sound coming out the end of the pipes. The bike runs just as well as it did before, so I'm not terribly worried about it, but there is quite a noticeable change in the idle sound.
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post #57 of 150 (permalink) Old 11-17-2010, 2:39 PM
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Re: Fog's Air box Mod

Don't worry about it.
post #58 of 150 (permalink) Old 11-17-2010, 2:53 PM Thread Starter
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Re: Fog's Air box Mod

If you opened the airbox all the way the intake Honk would be louder than a Muzzy This is normal.

FOG

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post #59 of 150 (permalink) Old 11-18-2010, 11:30 PM
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Re: Fog's Air box Mod

I just put the bike in the garage for the winter, and I want to go ahead and do this mod. My only question is, I bought the bike brand new from a dealer and have a 3 year warranty. Should I buy new carbs for when I take it in for service, or should I not worry about it? This may have been talked about previously, but people make a FOG mod thread at least once a day..I noticed in another thread that FOG had said to replace the Pilot plugs, would that help keep the bike under warranty, and where can I find them? Thanks for the advice!
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post #60 of 150 (permalink) Old 11-18-2010, 11:36 PM
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Re: Fog's Air box Mod

\you can get it at any dealer... or online


http://fiche.ronayers.com/Index.cfm/...rburetor_Parts

I'm fairly sure it's part # 92066-1051... should only cost you a couple bucks per carb.
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post #61 of 150 (permalink) Old 11-19-2010, 1:15 PM
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Re: Fog's Air box Mod

Quote:
Originally Posted by Grims01GT
..I noticed in another thread that FOG had said to replace the Pilot plugs, would that help keep the bike under warranty, and where can I find them?
You know, I've been wondering.. why exactly do they go to such an extent to disable the adjustment of the pilot jets, especially given how poorly some come tuned from the factory (mine were 3 1/2, 3/4 turns)? Are they just set at factory to meet pollution regs then sealed up to appease the bureaucrats, or what?
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post #62 of 150 (permalink) Old 11-19-2010, 2:09 PM
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Re: Fog's Air box Mod

[size=10pt][size=10pt][size=10pt][size=10pt]BINGO!!!!!!![/size][/size][/size][/size]




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post #63 of 150 (permalink) Old 11-19-2010, 4:08 PM
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Re: Fog's Air box Mod

Also, removing them will not void your warranty. As a consumer you have a legal right to perform any and all maintenance on the motorcycle. As long as you do it correctly the dealer has to cover all warranty situations.
post #64 of 150 (permalink) Old 11-19-2010, 4:50 PM
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Re: Fog's Air box Mod

Quote:
Originally Posted by smith.p.sean
Also, removing them will not void your warranty. As a consumer you have a legal right to perform any and all maintenance on the motorcycle. As long as you do it correctly the dealer has to cover all warranty situations.
Or if the dealer gives you a hard time, play it the other way and state the plugs were defective and fell off, and demand they replace them under warranty.
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post #65 of 150 (permalink) Old 11-19-2010, 4:51 PM
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Re: Fog's Air box Mod

Quote:
Originally Posted by TwoTacoCombo
Quote:
Originally Posted by smith.p.sean
Also, removing them will not void your warranty. As a consumer you have a legal right to perform any and all maintenance on the motorcycle. As long as you do it correctly the dealer has to cover all warranty situations.
Or if the dealer gives you a hard time, play it the other way and state the plugs were defective and fell off, and demand they replace them under warranty.
LMFAO!!!! now that's something I should have thought of!




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post #66 of 150 (permalink) Old 11-24-2010, 12:23 AM
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Re: Fog's Air box Mod

I just did the FOG mod tonight, but I drilled four 3/8" holes on the right of the airbox.... I know I know... thats not the same as a one inch hole or 4 half inch holes... the point is to just let some more in. luckily for me the set point of the pilot screws was 2 1/2 turns. gave me great smooth acceleration. Thanks FOG

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post #67 of 150 (permalink) Old 11-24-2010, 10:15 AM
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Re: Fog's Air box Mod

I just realized that I put the holes in the right airbox, not left.... does this matter?

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post #68 of 150 (permalink) Old 12-11-2010, 3:24 PM
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Re: Fog's Air box Mod

Being a curious person, I want to know what adjusting the jet screw does. I did the mod, found my bike ran well at 2 turns out from fully screwed in.

But what exactly does unscrewing it out/in do. I am suspecting it adjusts fuel to air mixture. Because I live at sea level, so two screws out (which is less than most) means I am letting less air in.
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post #69 of 150 (permalink) Old 12-11-2010, 3:42 PM
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Re: Fog's Air box Mod

same air, more fuel.
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post #70 of 150 (permalink) Old 12-11-2010, 4:23 PM Thread Starter
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Re: Fog's Air box Mod

The Pilot Screws restrict a passage directly from the fuel puddle in the float bowl, through the pilot jets past those screes directly into a series of tiny hole in the main carb body just down stream of the throttle butterfly. The vacuum in that Manifold draws fuel. The screws control the flow .

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post #71 of 150 (permalink) Old 12-29-2010, 12:45 AM
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Re: Fog's Air box Mod

I did the FOG mod. The bike seems more responsive and it has a little bit more intake howl which I like very much. Id recommend this.
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post #72 of 150 (permalink) Old 2-7-2011, 5:39 PM
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Re: Fog's Air box Mod

Quote:
Originally Posted by Pango3001
I just realized that I put the holes in the right airbox, not left.... does this matter?
What about 2 in the left and 2 in the right just a thought lol

There are 2 types of riders: Those who have dropped their bikes, and those who haven't dropped their bikes yet...
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post #73 of 150 (permalink) Old 2-7-2011, 5:44 PM Thread Starter
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Re: Fog's Air box Mod

you don't read well:

"
No you can not substitute any thing else for this MOD. You of course can do anything you want . just don't call it the FOG Mod."

FOG

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post #74 of 150 (permalink) Old 2-7-2011, 9:44 PM
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Re: Fog's Air box Mod

Quote:
Originally Posted by FOG
you don't read well:

"
No you can not substitute any thing else for this MOD. You of course can do anything you want . just don't call it the FOG Mod."

FOG
I read it, it was just a joke...

There are 2 types of riders: Those who have dropped their bikes, and those who haven't dropped their bikes yet...
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post #75 of 150 (permalink) Old 2-7-2011, 10:20 PM
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Re: Fog's Air box Mod

So this is interesting, i crawled under my bike today to have a look at the carbs and I "discovered some things"

The cover over the screw has already been moved, so im assuming someone has already adjusted it before me, and i had a K&N filter when i bought the bike which is still in there.
And my carbs say CVK on the side, i did some research, and im assuming those are stock?
Quote:
The CVK carburetor is produced by Japanese manufacturer Keihin (whose name is derived from the second character of the word "Tokyo") for several motorcycle brands, including Kawasaki.

There are 2 types of riders: Those who have dropped their bikes, and those who haven't dropped their bikes yet...
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