Originally Posted by GMKLR50
oil not warm enough to move up to the top of the engine fast enough. try running a lighter weight oil, or over fill a little, its typical of any engine to make that noise with heavy oil, it use to be an old rule to run a lighter oil in the winter, buit now that most engines run a 5w-30 its not seen as much.
NEVER over fill your oil unless you like rebuilding your motor. Over filling a crank case causes the oil to be whipped by the rotating assembly like in a blender, filling the oil with air bubbles. Air bubbles dont lubricate very well.