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Old 11-09-2010, 05:21 PM
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Fuel leaking out of bottom of Carb

New to the Forum! So recently I brought my scrambler 500 home to work on it over the winter. I noticed very strong gas fumes filling up my garage and house. I figured it was my gas cap since its missing the plastic piece over the gauge but taping that didnt help.

When I looked at my Carb i noticed the lower head was completely soaked in gas! It was leaking from that little silver nipple whenever I would shake the Quad. Check the pics out for more detail. There was nothing on the end of that little nipple so I added a tube and a screw to stop it from leaking and stinking up my house. Can someone please tell me what this is and why it is leaking? Is there supposed to be a tube connected to it?

Thanks!

Pics:



From the CVT side:



The thing thats leaking(Note the added tube)
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Old 11-09-2010, 05:39 PM
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First, welcome to the board.

Its either your floats are stuck inside the bowl, or you needle seat needs to be replaced.
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Old 11-09-2010, 05:43 PM
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Originally Posted by blueline15 View Post
First, welcome to the board.

Its either your floats are stuck inside the bowl, or you needle seat needs to be replaced.
OR as in my case, the screw for the drain was over tightened. I rebuilt the carb on mine, replaced the needle and seat and it still leaked... A 2.45 cent screw fixed the problem.!!

LOL

BTW< there is supposed to be a hose on it. It runs down the the swing arm where it drains to the ground.

CW
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2007 Polaris Sportsman 700 EFI
Running 26" Maxxis Big Horns on Crusher Black alloy rims, 1.25'' Spacers, EPI clutch kit W/spring mods, HD springs F&R, Moose front/Ricochet rear CV guards, Moose tank bag, Polaris rack extensions, Lock-N-Ride lo & hi windshields, Acerbis hand guards, CUSTOM mirrors & mounts . A 3000# Gorilla winch, W/Am-Steel blue synthetic line, running thru a winch saver and an aluminum fairleed. Thor's foot pegs and CUSTOM rear rack support frame. L&R WES seat box W/LED light & internal 12V plug. L&R Sportsman Box W/ internal multi 12V and USB plugs. CUSTOM front and rear mud flaps, CUSTOM dual side mounted 1.5 Gal Kolpin gas cans, Modified stock muffler with a rear exit & 800 air box lid W/UNI air filter, for better flow in & out.

Next mods: Thor fender flairs & 800 Head pipes.

CALL Thor @ www.TheATVSuperStore.com - 815-321-3888

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Old 11-09-2010, 05:43 PM
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I figured it would involve something like that. How hard is it to rebuld one of these? My local RoyalDistributing sells the complete Rebuilt kit for $26.99 so I would consider doing it myself.
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Old 11-09-2010, 05:44 PM
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Originally Posted by cwlongshot View Post
Quote:
Originally Posted by blueline15 View Post
First, welcome to the board.

Its either your floats are stuck inside the bowl, or you needle seat needs to be replaced.
OR as in my case, the screw for the drain was over tightened. I rebuilt the carb on mine, replaced the needle and seat and it still leaked... A 2.45 cent screw fixed the problem.!!

LOL

CW
Hmm lol. Did yours drip when you moved or shook the quad like mine? Where did you get the screw from?
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Old 11-09-2010, 05:47 PM
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I got the screw from Babbitts Sports Center | Arctic Cat OEM Parts | Can-Am (Bombardier) OEM Parts | Honda OEM Parts | Kawasaki OEM Parts | Polaris OEM Parts | Sea-Doo OEM Parts | Ski-Doo OEM Parts | Suzuki OEM Parts | Yamaha OEM Parts

CW
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Mine
2007 Polaris Sportsman 700 EFI
Running 26" Maxxis Big Horns on Crusher Black alloy rims, 1.25'' Spacers, EPI clutch kit W/spring mods, HD springs F&R, Moose front/Ricochet rear CV guards, Moose tank bag, Polaris rack extensions, Lock-N-Ride lo & hi windshields, Acerbis hand guards, CUSTOM mirrors & mounts . A 3000# Gorilla winch, W/Am-Steel blue synthetic line, running thru a winch saver and an aluminum fairleed. Thor's foot pegs and CUSTOM rear rack support frame. L&R WES seat box W/LED light & internal 12V plug. L&R Sportsman Box W/ internal multi 12V and USB plugs. CUSTOM front and rear mud flaps, CUSTOM dual side mounted 1.5 Gal Kolpin gas cans, Modified stock muffler with a rear exit & 800 air box lid W/UNI air filter, for better flow in & out.

Next mods: Thor fender flairs & 800 Head pipes.

CALL Thor @ www.TheATVSuperStore.com - 815-321-3888

Check out my ATV videos and please subscribe!! https://www.youtube.com/user/cwlongshot

I PROUDLY SUPPORT OUR TROOPS!!
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Old 11-09-2010, 05:51 PM
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Alright Thanks! For the time being do you think its safe to drive with it plugged?
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Old 11-09-2010, 05:56 PM
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There is that possiblility too, but you dont see it too often, especially if you havent touched it since before it started leaking.

Check with the rebuild kits. Probably not a bad idea to do at this point anyway, but most complete rebuild kits will not include floats or the needle seat. the needle seat alone usually runs $20-$30 by itself.

familiar with carbs at all?
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Old 11-09-2010, 06:05 PM
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Quote:
Originally Posted by blueline15 View Post
There is that possiblility too, but you dont see it too often, especially if you havent touched it since before it started leaking.

Check with the rebuild kits. Probably not a bad idea to do at this point anyway, but most complete rebuild kits will not include floats or the needle seat. the needle seat alone usually runs $20-$30 by itself.

familiar with carbs at all?
The description says it "Includes all necessary Gaskets, O-Rings, Float Valve assembly or Float needles and Jets to Rebuild one O.E.M Carb"

Not sure if it would include that or not.

I will try the little screw for now, But yeah I do agree with you on it needing a rebuild anyways. It's 10 years old so it wouldnt be a bad idea.

I work at a place who work with powersport Carbs alot so I could get it done there.
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Old 11-09-2010, 06:55 PM
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So I pulled the Screw out and it looks like the tip of it is broken off.



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