what did you do with your fazer today ?

[Dudeofrude]

Rather than oil the best thing for locks is a dry lube called graphite. One of our riders called Locksmith on here is the expert who told me that. Normal domestic locks anyway, no reason it wont work on a bike lock

Yeah graphite lock spray is amazing. I had the same problem as Tommy on my old thundercat and a quick squirt of graphite spray solved it instantly. Then used to have to use it about once a month or after a washing it.
Think it only cost about £4 too