I have an Intruder VS750 1985 model. I have a ticking / clicking sound also after adjusting the valves. It gets somewhat better when the motor is hot and also mostly hearable when idle. I was recommended by a person having a MC repair shop, to use full synthetic oil Motul 15W50, double ester. This is a racing oil I understand.
Another guy having "repaired MCs for 30 years" listened to the sound, but could not quite advise of the reason. But he said that it was "nonsense" to use full synthetic oil for this MC. "You should use mineral oil", he said, e.g. 20W50 or even 60. My Suzuki dealer also recommended mineral oil 20W50. Both the last ones says that the ticking sound will lessen when I use mineral oil.
Anyone having any ideas / recommendations / experiences / thoughts?