Blown kx 250

Blew up bike today with only an hour or so on fresh top end, any trouble shooting edvice ?2001 kx 250

What blew? Crank, piston? Any photos?

INB4 "Wuts ring end gap?"

INB4 "Wuts ring end gap?"


Yes, we need more info and pics for better advice. Many of us can narrow down the cause by seeing damaged parts. BTW, did you heavily coat piston skirt & topend bearing with oil? Also, did you put some 2T oil down the main bearing holes in the cases prior to assembling?

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