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View Full Version : 700 Prairie Snorkel Problem

BIG816
07-28-2008, 05:54 PM
I think that my air intake snorkel is actually pulling a vacuum on my air box.
When i pull it on the trailer it will flood unless I turn the gas off, so that tells me it is pulling gas thru the system. I think it is doiing the same thing when I ride it , and that is why the perf. has decreased. Has anybody ever heard of anything like this happening?
Rincon1906
07-28-2008, 06:02 PM
Yes my rincon used to fill the airbox with fuel on the trailer but not while riding. I just stuffed a rag in the snorkel while trailering.
torkmonster
07-28-2008, 06:38 PM
What up!!! Bout time you got on here Mike!!

And my popo used to do it, I went and got some caps for them at lowes and took them on and off... They got different kinds and all. Mine still did it even with the gas off... That vaccuum is a pretty strong one man with all that airflow.
650Brute
07-29-2008, 07:47 AM
Mine did it too!!!! Just gonna cover mine when I haul it there. Mine just runs like a dog now....
850PoPo
07-30-2008, 03:07 AM
Would it still happen with a 90 elbow on it ?
650Brute
07-30-2008, 07:23 AM
Would it still happen with a 90 elbow on it ?

I believe so. I'm just gonna buy some caps and throw em' on there.
850PoPo
07-30-2008, 02:20 PM
My honda foreman did that 4 years ago we put a 90 on it and cleaned carb and it stopped the problem mine was very hard to crank and smell of gas very strong
BIG816
08-06-2008, 08:11 PM
I put p-trap 90*'s on it and fixed the problem
650Brute
08-07-2008, 07:32 AM
I put p-trap 90*'s on it and fixed the problem


Covered mine with plastic baggies last night. No issues.
WaterDawg82
08-07-2008, 09:21 AM
a freind of mine does the same thing, if he has got to trailer it a long ways he will cover it. That fixed it as far as i know
kvf700_franklin
11-12-2008, 05:29 PM
yes snorkel mess with intakes flow, when your riding your engine has to work harder to breath air in, as the intake track is longer and has less air flow.

then your atv is on the trailer, when your driving the air pressure makes a neg vaccum as the air flowing past the intake pull air out of the air box.

I removed my snorkles as there made jetting a pain and it lost power. with my oem snorkle cut and a hose put on it to extend it up under the body near the stearing stem works great. more air flow and better power. with a higher intake waterline.