k&n air filters - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 16 (permalink) Old 02-07-2008, 02:07 AM Thread Starter
 
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Talking k&n air filters

ive seen a few bike with after market k&n fiters on the carbs. the side breather boxes have been taken off. can any one give me the part number of the filters they use to do this.

thanks
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post #2 of 16 (permalink) Old 02-07-2008, 02:17 AM
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What you are refering to is called an earshave. Its covered in the Vulcan Verses. The part number you are looking for is K&N RC-2340. When I did mine, there was a place on the net that had them cheaper than local and offered free shipping, but at the moment I dont remember the place. Sorry.
If you are going to do and earshave you are also going to need to re-jet. That is also cover in the verses under earshave.

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post #3 of 16 (permalink) Old 02-07-2008, 03:52 AM Thread Starter
 
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thanks for the help and tips
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post #4 of 16 (permalink) Old 02-07-2008, 08:22 AM
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I think this is where I got mine. Look to be the same as the K&N but without K&N stamped on the end!

http://www.crc2onlinecatalog.com/pod_filters.htm

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post #5 of 16 (permalink) Old 02-07-2008, 09:33 AM
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This may sound dumb at this point but... Is the rejeting necessary because of the change in air flow?
Just curious.I understand the "carb" better now, but I'm far from a master.
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post #6 of 16 (permalink) Old 02-07-2008, 09:56 AM
 
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As I understand it rejetting is required because you are getting more air into the carbs so you need more fuel as well.

You will also have to adjust the Air/Fuel mixture screws.
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post #7 of 16 (permalink) Old 02-07-2008, 01:03 PM
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The need to rejet is to reduce how lean your bike will run. I recently did the ear shave and against the advice of the senior members here have not yet rejetted. I have my mixture screws out about 2.5 turns and she runs good so far. Definitely does not like throttle until she's warm though. I'm taking her for a ride this weekend to see how things go in real world conditions instead of driveway dyno and will make a semi-final decision then.

BTW - if you decide that you don't want to shave but still want K&N's in the ears, I have a nearly new pair for sale...

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post #8 of 16 (permalink) Old 02-07-2008, 01:13 PM
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rejet "?"

I too have not rejeted, I would like to but I look at the carbs and it looks like a lot of work. My bike runs very good as it is, however; I can see that my pipes are bluing a sign of lean fuel to air mixture. Maybe later.....

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post #9 of 16 (permalink) Old 02-07-2008, 01:42 PM
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Well it's a thought then that you could conceivably add a piece of fabric between the filter & the carb then to further reduce the amount of air flow? Thus shave & no re-jetting. If too much air is the reason for jetting, and jetting is the increase of fuel flow. Then it would seem easier to reduce the air flow? What do you think!
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post #10 of 16 (permalink) Old 02-07-2008, 01:58 PM
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The more air the better, however; you need the right fuel mixture for it run really great.

02 honda sabre 1100
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