Fuel leak

Hello guys, I'm kinda at a loss for words.. been working on a fuel leak for a long time.. I can't pinpoint where it's coming from replaced petcock via Len and don't see any other places it's dripping .. it seems do be dripping around the shaft and dripping out this part? Any ideas would be greatly appreciated it's an 82 seca 750

 

The petcock I got from Len has on off and reserve if that helps...

 

Open the oil cap. You'll find that there is gas in the oil.
You need to (at a minimum) replace the float needles and float needle seats, as well as set the fuel levels.

Unless you requested that Len send you a petock that has on, off, and reserve, you should have one that has on, reserve, and prime. Double check that.

 

I've gone to church on my carbs already earlier this year.. could something be stuck?

 

And I requested that kind of petcock cuz that's what was on the bike also I am not sure there is fuel in the oil the oil level seems normal .. how exactly would I know besides popping the drain open?

 

Also it only seems to leak fuel when the bike is warmed up

 

The oil level probably looks good because the fuel is dilluting the oil, and causing it to leak out of the output shaft seal, or from the breather tube.
Any tank leak would show signs of fuel on the frame, or the outside of the engine, not coming fom the inside of the frame.

STOP running the engine until you get this fixed.

 

Open the oil fill cap and smell.
Did you wet set your float levels after going to Church?
Did you put new float needles and seats in when you went to Church?

 

Yes I did all of that, so I'm assuming a stuck float?

 

Hitachi's set to 3mm +\- 1 from the top of the carb bowl?

It is possible that a float is stuck.
Try this; get a small glass jar, drain bowl number 1 into it, mark where the fuel level is. Empty jar, repeat for the other bowls... if one is really high then the float is stuck.
Some claim tapping on the bowl with a screwdriver handle will free it. I would be inclined to remove the rack and see what is going on.

 

Awesome,, I'll do that thx so much..

 

from pics i would say fuel is leaking out drain in airbox carbs are overflowing into airbox.
if you have pods fuel is pouring out of them

 

I would do that anyway. Even if you unstick the float needle once, it'll likely do it again.

I've said it before, and I'll say it again. Make sure the floats don't hang down too low; if they do, the needles will be pulled off vertical and they'll bind in the seats. Causing the bowls to overflow.

 

Ok I took bike apart .. replaced the gasket from fuel gauge that was dripping some.. still leaks down the frame.. took pods off no fuel coming out of them.. now what?i can't seem to trace where it's coming from

 

I drained oil for the heck of it.. no gas in the oil at all.. it only drips when bike is off...

 

I replaced the gasket and seals on tank sensor.. it still leaks.. I drained carb bowls.. same amount of fuel in every one.. it only leaks after I shut the bike off and it takes a few mins to drip.. small amount out of where I showed pictures.. the circumference of a basketball...I don't wanna go randomly replacing needle valves unless u guy truly think this is the issue.. I didn't have fuel in my oil.. seemed very normal to me... I've had fuel in my oil before and it was easy to tell because it was so runny.. and tips would be greatly appreciated

 

have you changed petcock seal? fuel line clamps tight? proper size fuel line? 6mm
try removing tank put on news paper see if tank is leaking.

use an axuillery tank to trace down carb leaks possibilitys

if you have no leaks in tank or not sure put tank on a shelf get a few feet of fuel line remove carbs.
then run line to carbs away from tank brace up carbs in a vise or between 2 boards or build a carb rack holder .
weight of fuel in tank will help put petcock on prime

basicly get the fuel system off of the bike to where you can isolate it and its components.
if you can put tank in sun fuel will heat up and put a little pressure in the tank.

 

Brand new petcock via Len... I can hook up my auxiliary tank to see if it's truly not tank.. that's a good idea.. how would I know carb is leaking or not besides taking off pod filters?

 

The would be fuel in the oil, or yellow stains on the outside of the leaky carb(s) from fuel residue. Because the fuel is getting back on the swingarm pivot, there is litle to no chance that the carbs are involved at all.

I'm now leaning towad this being a petcock or fuel line issue. Dripping for a bit, then stopping, is indicative of a seal or line that has a small hole, which swells shut afer fuel is present. It could also be a slow weep that pools over time, but is not noticeable once the engine warms enough (fuel evaporating before enough can drip to form a puddle).

I'd recommend pulling the tank, and looking for any signs of pinholes, leaks, drips, weeps, etc.

 

take carbs off bike and put a rack on them to hold then up right with clamp

with tank off clean off gas on bike hook up aux tank see if you get a leak on bike. fuel weight may not be enough in aux tank so try method suggested above .
tank high on prime carbs low and away from tanks