Have an oil change due in the nxt weeks so im wondering which is best im riding nearly everyday all year around i drop the oil every 4k miles im on motorway nd i do like revving the nuts of her every now and then im using at the moment castrol power1 nd the k&n oil filter but she burns a bit so im wondering which is better a friend recommends that silkone oil i think thats whats called but which is best i wonder