I have used mobil 1 full syn. 5/50 since (5,000 km.break in used dino oil ) now I am over 47,000 km. and it is running better all the time, on my forth set of tires, I have DNA filter DR.pulley sliders, givi wind sheild raised the seat 4 inches and moved the butt stop back 5 inches, 6 ft. tall 210 lb,s 81 years old, nothing to do but ride , and do my honey do jobs, around the house,