Maintenance & Technical > KX500 Original

Composite Flaking?

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Gage:
Ugh...Didnt know that... crap. The jug looks about the same as the piston.... Recommendations?

Foxx4Beaver:
well,going by what I can see in the pics,it does'nt look that bad...but without actually seeing it's kind of a gamble to say go ahead and use it without knowing if anything else is wrong..I know the wiseco that was in my 500 when I bought it,was in ALOT worse shape,it had alot of blow-by and one big deep groove on the intake side....but it got me through a season until I was able to rebuild the whole thing.

If it were me....I'd probably buy a new piston,only because you said it has a fresh bore....do some research on here about Wiseco though :x...they're not as good as they once were.I'm running a Wossner,and knock on wood...have had great luck so far.

Gage:
Thanks mate. I guess I'll test my luck out with this one and see how long it last. At least I know that now, owell.. Hopefully nothing else bad happens. Crossing my fingers.... :|

Foxx4Beaver:
It'll probably be ok for quite awhile...just be sure to CLEAN the snot out of everything,and check that piston out real good for any loose debris/aluminum filings.I've seen worse,and I've ran worse.
Good luck!

jonny500:
piston and cylinder tolerance . is the cylinder nikasil or steel. remember a forged piston need a larger tolerance. have the ports been chamfered properly

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