I want to get rid of the airbox !!! - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 23 (permalink) Old 08-20-2008, 08:59 AM Thread Starter
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I want to get rid of the airbox !!!

Hello all. I was wanting to completely remove my ears and just install some K&N's directly on the carbs. My bike is already coastered so I don't need to worry about that, however, what in the world does the small air hose going from the bottom front of the air box to the front cylinder do. More importantly what must I do with this if I remove the box completely. Has anyone done something like this. I am assuming I am going to have rig something to actually get air filters to fit.
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post #2 of 23 (permalink) Old 08-20-2008, 09:15 AM
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Here's the thread in the Vulcan Verses on doing the ear shave. You can also use the search function ("ear shave") and find lots of existing threads on this.

The hose from the left air box is a crank case breather. The right one is the carb breather. EMGO filters for these. K&N's or UNI pod filters directly on the carbs. You'll need to rejet and shim the needle. It's all in the Vulcan verses.

2001 VN750
16k miles
Ear Shave & Coastered
EMGO & UNI Filters
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post #3 of 23 (permalink) Old 08-20-2008, 11:02 AM
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It is and engine vent or breather. We use a small pod filter on that one.

02 honda sabre 1100
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post #4 of 23 (permalink) Old 08-20-2008, 02:24 PM
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I've shaved & have not rejetted. I would not really suggest this to everyone though. The possibility of engine damage is quite real. So, I bought a "colortune" spark plug. It is a tool! You don't leave it in all the time. It has a quartz ring around the base wich allows you to see the color of the combustion. Alowing you to tune by color of the combustion. Orangy, too rich. Whitish, to lean. Bunsen burner blue, just right. Through a hard acceleration it will appear rich but through a controlled accel it will show blue & you've got it. It is really easy to use & I keep my mileage with a shaved bike. By the way, if your lucky you'll find one for as little as $65. If you buy it directly from Gunson it will easily run $120 shipped. If you look into one our bike uses the 12mm version. If I can find my video I'll post it later under it's own thread. It is really kinda cool!

Added note, even if you rejet. You'll know your dead on & no guess work with it!

Last edited by kanuck69; 08-20-2008 at 02:26 PM. Reason: Forgot something.
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post #5 of 23 (permalink) Old 08-21-2008, 12:52 AM
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Just an added note:
It will be sooner than later that the Feds and the EPA will require stock intake / exhaust on all vehicles to buy / renew a license. Next carb engines will have 'end of service life' (8-10 years) and our bikes will be dead.

Bad news, but it's coming.

DT

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post #6 of 23 (permalink) Old 08-21-2008, 12:59 AM
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Quote:
Originally Posted by dirtrack650 View Post
Just an added note:
It will be sooner than later that the Feds and the EPA will require stock intake / exhaust on all vehicles to buy / renew a license. Next carb engines will have 'end of service life' (8-10 years) and our bikes will be dead.

Bad news, but it's coming.

DT
Yes my bike will be dead by then.

02 honda sabre 1100
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post #7 of 23 (permalink) Old 08-21-2008, 09:14 AM Thread Starter
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about the feds and EPA further stepping upon my rights.... Well lets just say there is an armory between them and me, and I am about 100% sure I shoot better (I was sniper in the 3rd BN 75th Ranger RGT) As far as I am concerned I can ride whatever I want whenever I want and as long as I want. I also have a 65 Mustang, I love to drive it, and I have no plans of stopping until I am dead


on a lighter note, I am wanting to remove my ears and airbox simply because they get in the way of working on anything on these bikes.
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post #8 of 23 (permalink) Old 08-21-2008, 09:31 AM
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I agree with everything you said and to add to that: They can have my modified, carbureted bikes when they pull them from my cold, dead, fingers.

I took my ears off because I think they look stupid. I removed my air box on a hot day when the plastic was more flexible and was able to squeeze it out w/o too much of a problem.

DT

95 VN750 (eBay)31k+
GL1100 front fender
OEM engine guard
OEM high back rest
'V-Twin' HWY pegs
Black 750 Spectre handlebars
SunPro Volt Meter (Amazon)
Maier bug shield (JCW)
Bar Ends anti-vibe (JCW)
Emgo air filters
Tank bag-Eclipse
Tail bag-FroZone Cooler
Back Rest-Igloo 6 pak cooler
WalMart Saddle Bags
R/R Relocate
Dry Splines Lubed
AGM DieHard-Sears
Gutted Goat
Sporster XL Mufflers
LED's-stop,tail,turn,marker
Pickup coil mod to .45mm
Silverstar headlight
Rotella T6
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post #9 of 23 (permalink) Old 08-21-2008, 11:09 AM
 
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I used a hair dryer to heat up the air box and force it out... I recommend a heat gun though. Also, if you remove the thermostat housing, hose, and carbs, it makes it easier to get out... other wise you have to cut the box out or remove the motor. I managed to pull mine out towards the back of the bike with a lot of heat and bending and with the help of 2 little kids.
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post #10 of 23 (permalink) Old 08-21-2008, 12:13 PM
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Well on that note, you might think me barbaric with a sawsall! I was very carefull. lol
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