+1 on what iamcanjim said but I'm gonna recommend changing the oil as it has collected deposits. Some people like to overfill the oil as it protects the entire bottom end (just don't start it until it's been drained to the correct level). I also like to apply a nice fine coating of armor all and WD40 to protect the appearance.

Cheers!
ChinaV

P.S. massive South East Asian adventure.... inquiring minds want to know