Maintenance & Technical > KX500 Original
suddenly too rich
tschisi:
No, i would like to avoid that, because it?s rather expensive in Austria.
matzilla:
wow! crazy to see how this post has grown since i last looked. been busy around here and haven't had time to mess with the bike lately. haven't done anything with it yet either. too hot to ride around here. they close the woods to us for most of the summer. big fines if you get caught too. now the hunters are out there, so soon i will be back out there.
i did think of something though. my bike ran great until i started playing with my jetting. i may have put my slow jet in a bit too tight at first. ever since i can't get the pilot lean enough. i had the pilot so lean it worried me, and it was better, but still not right. so i may just keep trying. any thoughts? did i trash my carb?
tschisi:
Things getting worse and worse.
New piston rings inside.
I?ve let an old wise guy have a look at the cylinder and piston and he said they are both ok.
Now i can start it with starter spay, but once it?s burnt, the engine stalls, no chance to keep it running.
New measurement: 90psi
:? :-(
BDI:
This should be easy to sort out :? Have you leak tested the engine?
tschisi:
I got my coolant into the crank case because of a leaky head gasket.
Tried to start very often in this condition.
The coolant was clear and free of oil, so i guess the seals are ok?!
I also had the top end removed after replacing the gasket (for the piston ring change), with several start-tries in between, and the case was free of oil.
The next question is if the engine could have only 100psi without major visible damages on cylinder or piston?!
Piston:
http://img42.imageshack.us/i/37116426.jpg/
http://img823.imageshack.us/i/43981050.jpg/
Cylinder:
http://img814.imageshack.us/i/38083025.jpg/
http://img641.imageshack.us/i/67710335.jpg/
The only things that keeps me fron replating is the chance that the compression tester is defective and my cdi too.
Against that stands that it runs/ran with starter spray...
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