Small Engines (Lawn Mowers, etc.): 425 John Deer tractor Sudden Smoke, john deer tractor, carbarator

Question
I have a 425 john deer tractor with a Kawasaki 20 hp twin v engine . I was mowing a all of the sudden it blew out alot of smoke, it was like I dimped oil down the carbarator, then it stopped smoking for a few minutes and then started again so I shut it off and checked the oil level it was clean and fine. Whats going on. Thanks Les

Answer
 Hello Les:

 1- Blown Headgasket between the Cylinder and the Valves. 2- Crankcase Vent Not Operating Properly(may need cleaning). You can View a Breakdown of this Mower at this Addy http://jdpc.deere.com/jdpc/servlet/com.deere.u90490.partscatalog.view.servlets.H... Hope this Helps. I am here if you Require more Assistance. Let me know what Happens, Please. I enjoy knowing the Outcome. Thanks.

 Good Luck

 Respectfully

 John