SuzukiSavage.com - Print Page

SuzukiSavage.com
/cgi-bin/YaBB.pl
General Category >> Rubber Side Down! >> Airhose to airbox - alternative to small cone filt
/cgi-bin/YaBB.pl?num=1432233940

Message started by BadaBing on 05/21/15 at 11:45:40

Title: Airhose to airbox - alternative to small cone filt
Post by BadaBing on 05/21/15 at 11:45:40

Hello all and thanks in advance for the help.

I have gone ahead and eliminated my stock airbox. I've done the standard mod - cone air filter to the carb and small cone filter on the hose to the airbox.

I know this is the standard approach, but I am wanting to eliminate the small cone filter. I was wondering if anyone has had success running the hose back into the main air filter. I'm looking for a filter with some sort of an inlet nipple.

Has anyone done this? Am I crazy?

Title: Re: Airhose to airbox - alternative to small cone
Post by strang on 05/21/15 at 11:55:46

I was thinking about this direction too. Would be much better solution. Alloy pipe with a nipple?

Title: Re: Airhose to airbox - alternative to small cone
Post by Dave on 05/21/15 at 12:16:45

In my build I made a small metal box from 2" square tubing that sits on the flat spot on the muffler mount. The box has the inlet cut long and goes near the bottom of the box, the outlet is shorter near the top of the box, and a drain on the bottom and it is filled with stainless steel scrubbies. I run the cylinder breather hose to the long inlet, and the other one is connected to the hose that goes between the air cleaner and carb - I installed a nipple in the bottom of the rubber hose .

The engine breather vents down to box, extra oil/water vapors are deposited on the scrubbies and stay in the box, and the the air goes up to the air inlet and is burned in the cylinder.

Box before I welded on the end cap
http://i59.tinypic.com/30crpfl.jpg

Completed box before paint, and mounted on muffler mount.
http://i61.tinypic.com/zwgr2a.jpg

Gryobob also ran a vent to the air filter on his RYCA build, and you can find it in post #130 in his build thread in the Bike Builds Sticky at the top of the Rubber Side Down page.
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1304722902/120

Title: Re: Airhose to airbox - alternative to small cone
Post by phatts27 on 05/21/15 at 20:44:15

Maybe helpful, maybe not. I left the stock air box installed when I installed my pod filter.

To get the cone filter to fit, I cut the 1" plastic lip that attaches to the stock rubber intake hose so it was flush with the air box. I was able to do it with the box installed using a drywall saw and a small file to clean it up. This allowed me the tiny bit of clearance needed to install the carb. The vent and overflows are still routed to their stock locations and the side panels are still mounted.

Title: Re: Airhose to airbox - alternative to small cone
Post by strang on 05/22/15 at 02:40:28

why did you go to the trouble of building this box Dave? Is there a chance the crankcase breather can clog up the air filter if you just connect them straight together?

Title: Re: Airhose to airbox - alternative to small cone
Post by Dave on 05/22/15 at 03:06:01

393E382B242D4A0 wrote:

why did you go to the trouble of building this box Dave? Is there a chance the crankcase breather can clog up the air filter if you just connect them straight together?

The stock airbox does the same thing, it has a chamber that allows the heavier oil and water droplets to drop out and not go into the engine. (That is what you are draining off when you open the drain tube down by the footpegs).

I felt I should do the same thing and most likely it would make for a cleaner running engine, as it burns the vapors but not the heavy oil and water drops.