Maintenance & Technical > KX500 Original

How does this top end look

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vaaprider:
This is how it looked when I took it off. I just bought the bike 1993 model.  It looks very good to me but this is my first two stroke so I would greatly appreciate some feedback.  Also the piston has some numbers stamped on the top I can make out A7-9 then it looks like there is another letter, is this the original piston.

hughes:
The head looks pretty good but the piston has a ton of carbon build up on it. My 2-strokes pistons look like new on top when I remove them. Remove the cylinder and we can get a better look at the rest of the piston and cylinder walls and that will help you determind overall condition.

SeaSpyder:
I'm curious do you know what brand of oil and the mix ratio the previous owner was running? You might also want to post up the carb jet numbers. 

Motorrad:
If the top of the piston looks like that. The kips need attention

vaaprider:
Thanks for the feedback I will tear it down  and post the pics tonight.

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