Suzuki Motorcycle GS500F Carbureted problems?? Stalls!?

Question

Ok so my bike is a 2004 in good shape. It just recently (past two weeks) started stalling when i first try riding it. Basically when i roll up to stop it stalls. WTF is the problem? Carbureter? Choke? What can i do? I let it warm up with the choke on for several minutes but it still stalls for the first few minutes while riding.

Answer 1

Hi, I have a 2006 GS500F, and I had the same problem when I first pick up this brand new bike. So is recently, that it started to stall when and the engine just shut off at stop lights, even after I got it started again, the bike started to slow down and engine just shut off. Then I had problem starting up the bike... I would say bikinkowboy pretty much right on with his answer. Because that is what was wrong with my bike. Have someone check your idle. I am trying to find answer how to adjust the idle myslef, as my mechanic adjusted too high the first time, and now is running a little too lean.

Good luck! =)

Answer 2

Suzuki 500 Motorcycle

Answer 3

The idle speed may be set a bit slow which would most likely make it idle even slower when the engine's cold. On the sides of the carbs are small brass screws that control fuel or air in the idle circuit. Way too often the factory setting has the idle circuit too lean (for emission control) which results in stalling when the engine and carbs are still cold. These screws may be covered with a little metal plug that must be pried off to reveal the screw. Often times the screw has a dab of yellow or white paint on it, making it easy to find. The factory puts it on so they can see if someone has fiddled with things while still under warranty. When you find the screws, gently turn them clockwise until resistance is felt. Count the number of turns it took. Back the screws on each carb out either 1 1/8-1 1/2 turns or else maybe a half turn more than the number you counted. Try it for a day or so and see how it acts. Most carbs universially have the proper setting of 1 1/8 to 1 1/2 turns whether it's an old car, bike or tractor. One other thing, if you've started using fuel with ethanol, the addition of alcohol actually leans out the fuel mixture which would necessitate enriching the idle circuit.

Answer 4

1. Check your crankcase oil level. If it's too high, then let some out. The level should be between the two marks.
2. Take out your spark plugs, clean 'em, and set the gap on them to be correct and to be the same.
3. Maybe you got a bad tank of gas. Get a fill up. Buy a bottle of carb cleaner gas additive (make sure you get the gas additive) and pour a fourth of the bottle into your tank. Seal up the bottle really well (I use glad wrap) for future use.
4. Clean your air filter. Ug. If it's not the cleanable type, then replace the filter element.

=
If those don't help, then maybe your idle adjust screw should be adjusted... 1200 rpm at idle, right?

...and if not that, then the carb adjust needle screw that sets the fuel/air mixture. Don't ask me about that, I've only messed with this on a one-cylinder motorcycle.

Answer 5

The Honda or Suzuki are the most reliable better bikes. I prefer the GS500 out of the bikes you mentioned, thought the CBR is more of a true sports bike

Answer 6

Read your spark plugs.
It's kinda hard to diagnose the problem with the information you provided. It could be a vacuum leak, carb problem, ignition problem, bad gas, dirty filter, etc.
It could even be something as simple as dirty spark plugs.
If you pull them out and look at them they can tell you a lot about what's going on.
Here's some info about how to read them:
http://www.ngksparkplugs.com/tech_support/spark_plugs/faqs/faqread.asp?mode=nml
http://www.buckeye-illinois.com/sparkplugs.htm
Good luck!

Answer 7

you say you leave the choke on for several minutes,theresyour problem you should only use choke sparingly or fuel builds up in carb and no air mixture therefore flooding it.