john deere la 165 engine smoking

[YUCON]

this engine is smoking alot (white smoke) when first started, just under 400 hrs. even this b&s 24hp should last longer than that?

 

[mechanic mark]

FAQ | Lawn Mower Safety Tips | Briggs & Stratton Do you check engine oil level before each use? Are you having to add oil frequently? When did you replace air filter last and adjust valves?