Air Box Foam


I was looking into this as my spare Polaris is missing it's foam.

Several people say to rig up a piece off a vent for your home heater.
 
I just went through that with my Venture. Dealers wanted $60, ha not in my lifetime they're crazy here in canada. So they got not a cent. I bought some white vent filter package which is not foam and cut it securing it around the plastic frame with silicone sealent. This is of course after remove the foam and scraping the edges to get remnents off and blowing it with compressed air. Vent filter pads are available for around $5 in building centers.
 
go to a farm store and go to the lawn and garden section and theres some pre filter foam its usually green and get a sheet of it ans cut it to size and put that on there a furnise filter is to restricting
 
powervalve01 said:
go to a farm store and go to the lawn and garden section and theres some pre filter foam its usually green and get a sheet of it ans cut it to size and put that on there a furnise filter is to restricting
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It's NOT a furnace intake filter if you can read since "furnise" also implies you not thinking clearly.

Air intake filters are very open and not sponge. I look at various furnace filters and they're too fine for this application. I probably have a photo around somewhere. These are used for air intake vents like at the cold air intake and just a big piece.
 
I have a k&n filter from a dodge neon on top of my box, made a little bracket to hold it in place, good for 100,000,000 miles. This is even on my drag sled. It's a little pricier than $30 but will last forever.
 
fusion 69 said:
I have a k&n filter from a dodge neon on top of my box, made a little bracket to hold it in place, good for 100,000,000 miles. This is even on my drag sled. It's a little pricier than $30 but will last forever.
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That another alternative and sturdier then foam and such. It won't break down and fall apart like foam does. Finding and cheap small enough one that can fit the intake area would do the the trick. Oil on it isn't necessary since its not there as an particle filter. Just keeps snow and bits flying around the engine including belt fibers out of the carbs.

GOOD POST - I approve of this idea for sure.
 
Go to the weatherproofing isle at your big box lumber yard. You'll get some ideas there. The thin stuff is very similar to the removable window A/C filters that you pull out and hose off.
 
I'd think just some breathable fabric, like used as prefilters would be more than enough. As others have already said, its not for trapping dust, just stopping large chunks.
 
tripplec said:
It's NOT a furnace intake filter if you can read since "furnise" also implies you not thinking clearly.

Air intake filters are very open and not sponge. I look at various furnace filters and they're too fine for this application. I probably have a photo around somewhere. These are used for air intake vents like at the cold air intake and just a big piece.
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not all furnace filters are overly fine. some resembles a few layers of spider-webbing. I'm pretty sure it is fiberglass. That stuff is actually intended as return vent filters, but it is sold with furnace filters and in the same locations and sizes. I toss a couple on top of the paper filters, just to try to extend the useful life of the more expensive filter.
 
go to walmart, theres this stuff they advertise as to use to put under ur tires if you get stuck in snow, for traction. theres 2 pieces per package, each about 3 feet by 14-16 inches. its awesome stuff for this, only downside is it is purple lol so it kinda makes my srx look gay, but looks great on the fathers 92 vmax - 4 !!
 
Wait.... My 2000 SRX only has this stock "snap on top of the air box" filter... Is it supposed to have more than that?
 
Well here is what I came up with.....got it today @ Lowes for around $6.00. It's a washable, cut to fit home air filter. It doesn't seem restricting at all, and it's pretty close to Yamaha blue!! I'm just gonna cut it, and put it inside the snap on top of the air box.
 

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for anyone trying these "money saving alternatives" I'd be keeping a close eye on plugs and piston wash afterwards. I've got to think these are gonna flow differently and could be very costly in the long run if you run lean. jmo
 
staggs65 said:
for anyone trying these "money saving alternatives" I'd be keeping a close eye on plugs and piston wash afterwards. I've got to think these are gonna flow differently and could be very costly in the long run if you run lean. jmo
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I'll be watching, but I don't see how it could be much different. I do have a cold air kit too, so I am jetted for that.
 
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