SuzukiSavage.com - Getting rid of the airbox

bejot

Ex Member

Getting rid of the airbox
01/16/14 at 02:06:30

This year I decided to finally get rid of the airbox and install an cone air filter. Just when I was removing the whole box I noticed there's a rubber hose going from the engine to the filter box - how do you change that part? Do I need to install a separate air filter ON that hose or is there some trick to installing some small cone on the engine itself?
Couldn't find any info on the forum, sorry if it was covered - the search gives me nothing solid

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Dave

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Re: Getting rid of the airbox
Reply #1 - 01/16/14 at 04:57:27

The RYCA conversion does not use the airbox, and they use the small filter. You can go to their website and buy one of theirs, and look at the customers bike photos to see where people have mounted it.
http://shop.rycamotors.com/breather_filter.html

You can also look through the bike builds posted on this forum. Most of the Cafe Racers and Bobbers have eliminated the air box and you can see that they have used.
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1383565946

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« Last Edit: 01/16/14 at 07:28:34 by Dave »

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S-P

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Re: Getting rid of the airbox
Reply #2 - 01/16/14 at 13:09:27

bejot wrote on 01/16/14 at 02:06:30:

This year I decided to finally get rid of the airbox and install an cone air filter. Just when I was removing the whole box I noticed there's a rubber hose going from the engine to the filter box - how do you change that part? Do I need to install a separate air filter ON that hose or is there some trick to installing some small cone on the engine itself?
Couldn't find any info on the forum, sorry if it was covered - the search gives me nothing solid

This is what I did. You can't see it but the hose has a zip tie holding it in place through the old bolt hole.

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vent.jpg

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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28790 L.A. California Gender:	Re: Getting rid of the airbox Reply #3 - 01/16/14 at 13:42:57 1 fellow connected it to the back of the cone filter using an auto pvc valve.
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SSG YaBB Newbies Offline Keep Calm and Chive On!!! Posts: 31 Ft. Bragg Gender:	Re: Getting rid of the airbox Reply #4 - 01/16/14 at 13:51:34 I did mine just like S-P but with a different filter I got off amazon. There are many threads about it, you just need to make sure to change the "this post was made in the last" section under the search screen. This will bring up many results.
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bejot Ex Member	Re: Getting rid of the airbox Reply #5 - 01/24/14 at 02:22:01 Got it, thanks, guys - zip is gonna by my savior, it would seem
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buddynagel

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Re: Getting rid of the airbox
Reply #6 - 01/24/14 at 12:34:03

please correct me if I'm wrong, but isn't that hose actually a pcv(positive crankcase ventilation) hose? essentially to relieve pressure from the crankcase and recirculating it back into the intake. If so, putting a small filter on it would be pointless because its releasing air rather than sucking air in.

EDIT: actually now that I think about it, it would be both puling air in and releasing it as the piston moves up and down. Piston up = air in. Piston down = push air out. unless the hose is a totally different system

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Michael L

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Re: Getting rid of the airbox
Reply #7 - 01/24/14 at 13:22:54

The reason the hose is directed into the airbox, is so that the small amount of oil that would protude out with the air, is recirculated into the intake, instead of out in the environment. The reason you put on a breather filter in combination with tuning, is so you get as much fresh air as possible instead of the oil fumes, which would increase performance.

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seedubs1

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Re: Getting rid of the airbox
Reply #8 - 01/25/14 at 09:10:08

buddynagel wrote on 01/24/14 at 12:34:03:

please correct me if I'm wrong, but isn't that hose actually a pcv(positive crankcase ventilation) hose? essentially to relieve pressure from the crankcase and recirculating it back into the intake. If so, putting a small filter on it would be pointless because its releasing air rather than sucking air in.

EDIT: actually now that I think about it, it would be both puling air in and releasing it as the piston moves up and down. Piston up = air in. Piston down = push air out. unless the hose is a totally different system

Yup. It's really just to keep crap from outside getting in the hose and down into where it shouldn't be.

You can zip tie some old Lycra or something over the end of the tube if you want to be frugal. Then just tuck the hose up along the frame rail.

Or spend the $4-5 at autozone and get a breather filter...

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