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need help figuring out fuel 04 gs500f

Started by Ryanstalin, September 21, 2012, 11:50:01 AM

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Phil B

Junior mechanic chiming in...
if he has fuel coming out of the vent line... doesnt it mean one or both of his floats are broken, or something like that?


Ryanstalin

I have fuel coming out of the vent red in the picture, I cut a piece if hose then plugged it with a bolt. it ran fine for a little bit, but now it idles way to high. it feels like the clutch wont fully engage, could be that the clutch cable is really rusted? i cant really tune the idle right because i dont know what 1200 rpm sounds like for that motor.

stokes776

Can you confirm you have the hoses according to Adidasguys last picture?

That Green circled hose is the vent.

Yellow is the fuel.

Ryanstalin

everything is as I stated. it was working that way, but with some minor glitches. the reserve line from the tank is capped off, and the main line is hooked up, and the fuel to the carbs is hooked up, the vent is just hanging over the carbs, and the line that has no where to go is capped, but it was pouring fuel from there before.

adidasguy

Vent lines should not pour fuel. They are an air vent line. Plugging them will make things not work right.

Ryanstalin

but if I unplug them it will leak fuel everywhere. so what can I do?

adidasguy

Quote from: Ryanstalin on September 25, 2012, 02:39:45 PM
but if I unplug them it will leak fuel everywhere. so what can I do?
Post new pictures of what you're doing.
We've shown you pictures and said things to do but do not know if you're doing it correctly.
New pictures will tell us.
Fuel does not come out of the carb vent tube. If it does - either
1. Something is seriously wrong
2. You're really talking about a different hose

Pictures - PLEASE!

Ryanstalin

I will get some pictures in the morning. however Im a little out of gas right now.

Ryanstalin



well I put more gas in it, and when you get it to run the motor just constantly races, i kinda get it to settle down by moving the choke back and forth. Im about ready to take it to a shop to get it running, I got it this far.

adidasguy

That's a lot of gas under the tank.

I guess my dumb question is why you didn't connect up both fuel lines from the tank to the frame petcock?

Paulcet

Quote from: adidasguy on September 26, 2012, 04:18:06 PM
I guess my dumb question is why you didn't connect up both fuel lines from the tank to the frame petcock?
'Cause of this:

Quote from: Ryanstalin on September 21, 2012, 05:26:02 PM
I left the reserve from the tank empty. because I didnt have a line to fit. i have a 3/8 i think on the O line. and I left the other fuel inlet for the carbs off.

Quote from: Ryanstalin on September 25, 2012, 08:09:30 AM
and the line that has no where to go is capped, but it was pouring fuel from there before.

Could you remind us which one is that?

'97 GS500E Custom by dgyver: GSXR rear shock | SV gauges | Yoshi exh. | K & N Lunchbox | Kat forks | Custom rearsets | And More!

Ryanstalin

well I found that hose, and I left it unplugged for now, it leaks a little fuel, but not as much as before, can we get onto the revving really high problem?

Phil B

you're willing to take it to a shop, but you're not willing to spend a few bucks on an extra fuel line?   
I have difficulty understanding your perspective :-/

as far as the high revving goes... sounds like a problem with your choke mechanism sticking or something. particularly since you even said that it eventualy clears up when you mess with the choke enough.


Ryanstalin

well I will speend money on getting another fuel line tomorrow, when I get paid. and that only solves the reserve line. what about the extra one that I have that isnt hooked to anything.

Ryanstalin

there is a screw on each side of the carbs on the bottom facing away from each way. the left one when unscrewed leaks gas, the right side does not. plus the bike has spark, but now it wont start, it was bogging down really bad right before.

weedahoe

Those screws are the float bowl screws. They are there to drain fuel for different reasons but overall they should not leak. I would take the screw out and check it and its threads and put it back in if it is not damaged.
2007
K&N Lunchbox
20/62.5/142.5
chromed pegs
R6 shock
89 aluminum knuckle
Lowering links
Bar mirrors w/LEDs
rear LED turns
89 clip ons
Dual Yoshi TRS
Gauge/Indicator LEDs
T- Rex sliders
HID retrofit
GSXR rear sets
Zero Gravity screen
Chrome Katana rims
Bandit hugger
Custom paint
Sonic springs

Ryanstalin

are they supposed to leak fuel when taken out?

adidasguy

OK. Have to chime in here and say GET A MANUAL! and READ THE MANUAL!

Got to be blunt. Things like carb drain screws are a drain screw and do not leak unless you open the drain. You should know what they are. The manuals tell you. And yes- drain screws drain the fuel when you take them out. That's what they are for.

You MUST get a Haynes, Clymer or Suzuki manual. They show you all the parts and explain what they do, how to adjust them and how to connect them.

My preference is Haynes, then Suzuki.  Not fond of Clymer as it is more of a shop tech manual. Haynes is better (in my opinion) of walking through tasks one task at a time and the wiring diagrams are in color.

weedahoe

Quote from: Ryanstalin on September 27, 2012, 10:01:01 AM
are they supposed to leak fuel when taken out?

well when you take them out there is nothing in place to hold the fuel back so yes fuel will come out
2007
K&N Lunchbox
20/62.5/142.5
chromed pegs
R6 shock
89 aluminum knuckle
Lowering links
Bar mirrors w/LEDs
rear LED turns
89 clip ons
Dual Yoshi TRS
Gauge/Indicator LEDs
T- Rex sliders
HID retrofit
GSXR rear sets
Zero Gravity screen
Chrome Katana rims
Bandit hugger
Custom paint
Sonic springs

Phil B

To put things another way... if fuel ISNT coming out of the right side,when you loosen the drain screw.. there's somethin WRONG!
possibly your float is stuck,and causing fuel to overflow up-and-out, rather than going into the bowl where it belongs.

(disclaimer: I've never taken apart a carb in my life.
   ... but I bet I'm right anyway ;)  )

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