Maintenance & Technical > KX500 Original
Jetting!!! Again and again and again!
Paul:
How is your clutch side crankseal? If that is leaking it would explain your super lean pilot jet.
gowen:
Hi Paul, I just had it rebuilt, top and bottom last year about this time. I've bearly ridden it maybe about 10 times since then, just starting to put use on it. I'd hope it is not leaking. How can I pressure test the crank. I did just pull the top-end down and inspect everything, looks good, some scaring on the wall of the cylinder, but I'm assuming that came from running some WOT drags with a 160 main. :roll:
What is teh best way to test? I have not noticed any grey in the oil since I changed the water pump seal nor have I seen any loss of oil.
Also, I mix 32:1. I know I will get hounded for running to rich, but I doubt that is the cause for no idle.
I'm quite the curious what the issue is. Should I change carbs? I have another one. But, I doubt it will help.
Paul:
32:1 shouldn't keep it from idling, I run mine @ 40:1 - not too much difference. That bike is loosing air down low for some reason, what is your float level at?
gowen:
--- Quote from: Paul ---32:1 shouldn't keep it from idling, I run mine @ 40:1 - not too much difference. That bike is loosing air down low for some reason, what is your float level at?
--- End quote ---
That is something I thought about too. I measured it with a ruler. :oops:
and it is coming to about 22mm-24mm (couldnt' get it to seat quite right because of the ruler, kinda sucks compared to the float height thingy they talk about. :x ) Stock was like 16-18mm. But this is what I'm confused about... Adjusting the float from 22mm to 16mm would richen it? Because that would lift the float making it richer or am I wrong and it is the opposite?
Thanks Paul and Kawdude for your help!! I think I will become a jetting expert after this is all said and done. :wink: Then can be of some help on this board. :D
Paul:
Well if the float isn't shutting off the fuel it'll dribble out the tube and in some cases get suck up into the pilot and not idle ;)
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