Maintenance & Technical > KX500 Original
Idle Dies Down
tomasaki:
I have a hard time keeping my idle on my '01KX500. It always slowly fades down, especially going down a long slow hill with the clutch in. I always have to keep revving it. Anyone else have this problem??? I mainly woods ride. Alot of slow stuff. I have the main jet at 165, clip at top #1 notch, 52 pj. The idle screw is only out 1 turn from seated. If I turn it up more it runs away sometimes. The performance is great!!! My BR8EG plug is always black though. I can't go any leaner. If I lean the pj, it surges, If I lean the main in dies at full throttle. It's very crisp and responsive. It just won't idle for long. Any suggestions??? I'm thinking of trying a hotter B7ES plug since I mainly ride at low RPM's where I can control the power. Thanks for all suggestions.
Tom L.
yzmike:
Yo Tom, whats your altitude? And having the clip in the first notch is bad. What was factory setting?
tomasaki:
yzmike: I don't know my altitude here in Western PA, but I think it is fairly high. There are alot of mountains around. The factory main was 168, pj60, clip in the center. With the factory jetting, I could not let off the gas for a second without it fouling horribly like I had the choke on. If I don't keep the clip at the top, it loads up from bogging around too much in the woods. It's done this since it was new from the factory. It's totally stock other than the FWW.
Tom L.
gwcrim:
--- Quote ---I don't know my altitude here in Western PA...
--- End quote ---
I'm 40 miles west of Da 'Burgh and I'm around 1000'. I have a 170 main and a 52 slow jet and don't have any fouling problems. I even got it to idle with a 60 slow jet, but it would eventually die. I have no idea what needle is in it though. I assume it's marked on it. I 'spose I should look.
Ya might want to take the carb off and clean all the passages, check the needle & seat for wear, and reset the float level.
yzmike:
Lets look at some contributing factors, what type of 2 stroke oil do you use? what ratio? Also sounds like to live near Pittsburg, or Kittanning. This could call for jet change also. I know you will find the correct combination. YZ Mike
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