Hey y'all,
I'm new to the GS500 and my 09 GS 500F with stage 2 needles(bought with it) is having issues with idling after moving from Florida to Colorado, trying to see what the issue is due to the bike ran amazing before I moved but now it won't Idle with or without the choke on. Trying to figure out if it is running to rich and jets need to be changed the altitude difference is about 6000 feet. I didn't tune the bike originally when the jets and needles were installed that was done by the previous owner. Just took the carbs apart and cleaned them didn't touch the floats just cleaned the jets and blew out the channels and it had no effect. I can only think that the bike is either not getting enough air compared to fuel at this point, but again I'm new and would appreciate any senior advice on the GS.
Logik
09 GS 500F
also the bike runs fine and will run with no performance issues just refuses to idle..
Does it "idle" if you hold the gas partly open?
You could try the throttle stop screw between the carbs once the engine is warm and see if you can get it to idle that way. Maybe the screw is set to a point it wont idle in your conditions.
Quote from: lv0ll9 on April 20, 2018, 03:53:19 AM
Does it "idle" if you hold the gas partly open?
You could try the throttle stop screw between the carbs once the engine is warm and see if you can get it to idle that way. Maybe the screw is set to a point it wont idle in your conditions.
Don't do that, BTW. That will result in "hanging idle" and you will be chasing your tail misdiagnosing it for a while.
Fix it right.
It's the elevation change, it's running rich. You need to rejet back to stock pilot jet size if you've changed it, otherwise you need to adjust the pilot mixture (leaner).
Could also be vacuum leaks and a dozen other things, so if you're going to pull the carbs and do anything I recommend doing a clean-up job, replacing all the o-rings, etc. Then jet it for your new elevation, adjust it right and be done with it. Couple of hours and $30 worth of parts will save you months of headache.