Maintenance & Technical > KX500 Original

gasket

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BDI:
The fiber gaskets have a habit of blowing. They fail at the back of the head where the head stay Is. The reason they fail in that spot Is do to chassis flex. when you jump or go real fast threw big whoops the chassis flexes up and down the mount for the head stay wrenches up and down on the head the soft fiber gasket lets the head distort enough for the gasket to fail. This is why kawasaki  quit putting the fiber gasket in the kx500 as stock.

 I have had this happen to me twice. The second time It happend I was pined In fifth bombing threw a long section of big whoops the head gasket blew and shot water on the hot piston crown on the intake side. The ringland busted allowing the pin that holds the top ring in place to come out. The top ring spun around and opened up into the exhaust port. The engine stopped so vilolently that It tried to push the crank out of the bottom of the cases there were cracks all around the mains. I pushed my bike roughly four miles that day before some kids with a three wheeler saw me and towed me home.

BigGreenMachine:

--- Quote ---
 I have had this happen to me twice. The second time It happend I was pined In fifth bombing threw a long section of big whoops the head gasket blew and shot water on the hot piston crown on the intake side. The ringland busted allowing the pin that holds the top ring in place to come out. The top ring spun around and opened up into the exhaust port. The engine stopped so vilolently that It tried to push the crank out of the bottom of the cases there were cracks all around the mains. I pushed my bike roughly four miles that day before some kids with a three wheeler saw me and towed me home.
--- End quote ---


Thats brutal. Safe to assume the motor was unsalvageable?

kawish:
ok i think i will go with the thin steel gasket
 :-)
thank you

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