Hey guys! ive read all the comments and replies of the topic basically,but i want an opinion about a certain oil brand called Castrol.. I am currently running my 2010 WR450F on Castrol 10W 50 full synthetic oil. I do enduro races here in South Africa,but its more of a hobby... What do you guys think of the brand besides the type of oil i am using? And if its reliable brand...is the oil im using the correct type?