[deadsoul]

i was wondering if you jet something what do you all have to get to this this...do you need to new exhaust if you have stock one? and i have a gas leak that is coming from the drain to and it's like pouring out while it's running and off if i don't turn the petcock to off i did just the floater and it's good and i check the vave float to and it was good but i replace it anyways.. so i'm wondering what in the world else it could be while my carb was out i clean it out with carb cleaner to...does anyone have a clue i'm very tired of watching my gas it the ground and wasting my money on gas when i have this leak please help..... oh one more thing what are you guy talking about when you say this "plug test first" how is this done? just wondering to. :icon_ cry::icon_ cry:

 

[t-rex]

sometimes just taking off air lid you have to rejet.plug test is see what color the electrode the white part is.it should be a brownish color.black=rich if its still white its lean.

 

[tomgodd]

Agree^^^^^^^^^^^^^^^^

 

[Helmut]

i was wondering if you jet something what do you all have to get to this this...do you need to new exhaust if you have stock one? and i have a gas leak that is coming from the drain to and it's like pouring out while it's running and off if i don't turn the petcock to off i did just the floater and it's good and i check the vave float to and it was good but i replace it anyways.. so i'm wondering what in the world else it could be while my carb was out i clean it out with carb cleaner to...does anyone have a clue i'm very tired of watching my gas it the ground and wasting my money on gas when i have this leak please help..... oh one more thing what are you guy talking about when you say this "plug test first" how is this done? just wondering to. :icon_ cry::icon_ cry:

When you go up in jet size you will be increasing the amount of fuel going to your engine, so you would need to increase the airflow through your engine to keep the air/fuel mixture correct. So, yes you would need an aftermarket filter and exhaust to flow more air. That's where the plug test comes in. You pull your plug out and look at the color of the end of the plug and you can tell if it needs more or less fuel. When the fuel mixture is right it will be a light brown or tan color.

The carb should have a drain hose and an overflow hose. The drain hose has a screw in the bottom of the bowl to close it off. If that is the one that is leaking, then the screw is either loose or damaged or the o-ring is gone off it. If it is leaking from the overflow hose, then your float is bad or your needle valve or seat is bad. I know you said that you replaced the float and needle valve, but if the overflow hose is leaking, it's still got to be the float or needle valve or seat because that's what cuts off the fuel from entering the bowl and yours is not cutting it off. But since you replaced everything, look and see if it's your drain hose leaking instead of the overflow hose.

 

[Helmut]

sometimes just taking off air lid you have to rejet.plug test is see what color the electrode the white part is.it should be a brownish color.black=rich if its still white its lean.

I think he's wanting to rejet, though. If he's wanting to get any real performance, then he would probably need to get an aftermarket filter and exhaust.

 

[deadsoul]

well i look and i didn't see another tube coming out of the carb for a another drain tube ...if you go to this link this my carb i have and it's breakin down by parts maybe if you really have the time please let me know what parts you are talking about....this what i did order 21 SKU: 16155-MN9-004
VALVE, FLOAT (Honda Code 2906170) and 1 SKU: 16010-HN1-003
GASKET SET (Honda Code 5996525) i did take out my float and shack it next to my ear and didn't hear and gas shacking inside or or dripping from it at all. hmm here the link to my carb below...thx
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[deadsoul]

i was just wondering about rejetting because later down the line i will:happy2: know what i need to get and do thanks for answering about the jetting question...

 

[Helmut]

For some reason, I couldn't find the carb at the link you posted, but you are talking about a 400 EX, aren't you? I can't remember, but that carb might use the same hose for the drain and for the overflow. It seems like the drain and the overflow connect together on the inside of the float bowl if I remember right, but I would check the drain screw. Sometimes they leak and fuel will run out the hose just like if the float is bad or stuck open. If you look on the inside of the bowl you should see how the drain circuit connects to the overflow circuit. You might try to tighten that screw up a little. You can see the drain screw in the diagram below.

 

[deadsoul]

yeah i'm talking about a 400 and i'm will be breaking it back down today and i'm going to check ever thing once again and see what i can come up with i'll post something if i find or have some trouble thx and hhave a great bunny day!

 

[Helmut]

If you look on the inside of the bowl you should see how the drain circuit connects to the overflow circuit.

 

[elmerkit]

Very helpful diagram you have there, just a question are there any brand that sales a full package kit like jetting, filters and muffler just curious..

 

[Redracer]

I've never seen a kit that come with a pipe but there are kits with the intake and jets all in one.

Moose ATV Power Kit - DennisKirk.com

 

[t-rex]

ive seen hmf exhaust with k&n filter and jets.this was on ebay a little while back.