I have a 2-month old JD L130 purchased from HD that also smokes. Called our regional JD dealership, was told that smoking upon start-up and for the first minute or two is normal as the design of the Kohler allows for oil from the breathers (I may have my terminology mixed up) to drip into the intake. He said there haven't been any issues with the 23 horse Kohler for the last 8 years or so. Before that they had an issue where the head bolts bottomed out in their respective holes before the head gasket was adequately compressed. This has been fixed (by using shorter head bolts). I was told to monitor oil consumption, but not to worry unless it exceeded 1/3 quart every 6 hours.

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