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Leaking fuel from my carb overflow

I have a 2004 banshee 350 and im leaking fuel from overflow when i open my throttle and when my petcock is on. Im also smoking white from throttle side.

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2001 TRX 350 engine shut off while riding

sounds like the petcock is clogged or broken. runs off fuel in the bowl till it runs out. then after a while it gets refilled slowly and repeats.

May 25, 2017 | Honda 2004 FourTrax Foreman ES

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I have a 2006 arctic cat 400,changed bad gas after sitting and will start easy but dies when i throttle up

Need to clean that carb thoroughly. Clean or replace air filter, check gas tank vent on cap, make sure you have a good fuel stream coming out of the fuel petcock. The old gas could have clogged the petcock filter.47154345-a373-435a-ad53-8a3f8dc531bc.jpg In the picture you can see the arrows pointing to the reserve and the main. This is where the fuel comes in and it is a very fine "plastic screen mesh". This can become clogged. The one pictured us from a cat.

Feb 13, 2017 | ATVs

1 Answer

I just bought a mud blaster 110cc quad for my son, why does it start then 2 min later stop even with feathering the throttle?

#1 sounds like a fuel delivery system issue. Make sure the fuel tank flows freely to the carb. (remove the fuel line from the carb--from the gas tank and turn on the petcock--gas should flow freely) The needle and seat may need to be cleaned or replaced, this controls the flow of gas into the float bowl of the carb.(remove the drain screw from the bottom of the carb (with everything properly assembled- petcock on)..gas should continually flow through the bottom of the carb --10-15 seconds of continual gas flow will make sure its flowing properly! Both of these sound like a solution to your problem.

Jun 22, 2014 | ATVs

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I have a 2004 Honda Rancher 350 es,just installed a new carb and it still leaks fuel from the overflow hose.Any Ideas?

fuel overflow from the carb is usually caused by dirty or incorrectly adjusted floats and float needle.

Feb 19, 2014 | ATVs

1 Answer

Im having problems with my atv it will start up and take off but it dies off within maybe 20 yards

fuel lines, tank filters, petcock etc could be clogged. sticky float valve in the carb also.

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2 Answers

Diagram for carb on 350 bruin

Hi, Anonymous and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
Good luck and have a nice day.

Feb 13, 2013 | Yamaha 2005 Bruin 350 Auto 4x4

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Raptor 80 fuel leak

Sounds like its time for a float level adjustment - BETTER YET - complete carb cleaning and setting by a qualified professional...

Aug 05, 2017 | Yamaha 2005 Raptor 80

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Ok I rebuilt my 97 banshee. Last fall it would backfire out of one cylinder. After rebuilding the compression is good and equal however it will not start under its own fuel system and when we spray mixed...

Hey Mike,
Sounds like your carburetors need a qualified professional to clean and set them... I have built several race banshee's.. the carburetors being perfect are essential to making it run good..
The compression should be at least 125PSI on each cyl. MINIMUM.

Aug 24, 2017 | Yamaha 2005 Banshee Base

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