CAN-AM (BRP) Discussions about CAN-AM ATVs.

Crankcase vent tube and stock airbox

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Old Jun 6, 2000 | 02:00 PM
  #1  
CRTLeech's Avatar
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Just a heads up to everyone out there:

I just noticed this weekend that the crankcase vent tube opens into the airbox. This should not be a problem, but I have gotten sand into my airbox and the oil vapor from the engine has made the sand collect around the hole to the vent tube.

I would suggest that you put a vent tube filter of some sort over it. Something as simple as the foam element for automotive applications would probably work, but I may go with a K&N style that clamps on. I can only hope that none of the sand got down into the crankcase.

Good luck,
CRT_Leech
 
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Old Jun 6, 2000 | 04:03 PM
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Strange but I was riding with a guy last weekend that had the same type of problem. I'll attempt to track him down and ask a few questions.

Your concerned friend,
 
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Old Jun 6, 2000 | 04:27 PM
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Yes , that is coincidentally very strange. Strange things abound on the trails.
 
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Old Jun 7, 2000 | 04:13 PM
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I can understand dust, but sand? Of course, I do roost donuts in the sand every now and then and I have occasionally run into my own roost. I am wondering if the airbox is allowing air and debris through the lid in front, where there isn't a strap?!!? I have had some sand collect on top of the paper element under the foam element.

I am probably going to use a velcro strap to hold the foam element tight to the rim of the paper element to prevent this. I don't know if I will go with the K&N yet. I ran them on my Baja without problems, but the stock one seems to work just fine. Depends on how much replacements are.

Laters,
CRT_Leech
 
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Old Jun 7, 2000 | 06:04 PM
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Finally got a hold of my friend. He noticed the sand and dirt particles in his airbox while riding around and deciding to check his filter. At the time he had to use a piece of his pantyhose (he's funny like that) but it helped. He landed up going with the bolt-on K&N and it cut it down dramatically.

Don't thank me...just call it one guy doing another a solid!
 
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Old Jun 10, 2000 | 12:31 AM
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Cable-goobla
 
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Old Jun 10, 2000 | 12:44 AM
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Hey, I just wanna hang out...NO BIG DEAL!!!!
 
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Old Jun 15, 2000 | 10:25 PM
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I noticed that the crankcase vent tube really blows a lot of air pressure into the airbox.
 
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Old Jun 15, 2000 | 11:48 PM
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scooby-I am wanting to divorce the crank case vent from the airbox, is there any reason that this is not the way to go.

I noticed you mention little sahara I was there once in 1989 and loved it,might try to go back if it is still as much fun.
ride hard have fun
 
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Old Jun 16, 2000 | 12:06 AM
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Why divorce it? You don't like the oil buildup in the airbox? I don't know much about it, but I don't see why you couldn't put a filter on the end of that hose and run it somewhere that the oil vapor wouldn't hurt. You could try it and see if it runs any different. Little Sahara is awesome. www.waynoka.com
 
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