hey, i´m a new owner and would appreciate alittle help; bought the bike last week, no owners manual I have 2 questions #1 what would be the best syn. oil to use and #2 what is the perimeters for the front shock psi bike is a 99 royal star blvd with 10,000 mile on it. I have always owned yamahas but never the royal star with this type of motor thanks I appreciate the help