Had a redlion 208cc 2" pump . not a predator or greyhound . but wac china cheapo. ran great out the box. Talked tsc into a few qts of there syn5w-20. Ran first is of oem provided oil 30minutes changed to syn. ran 1, 5, 10hr oci and went to 50+hr oci's.
Was stolen with a minimum of 1000-1200hrs. ran like the day it cam out the box. no smoke, oil burn or leaks.
ran whatever 5w20 was around.
ken