(05-02-18, 01:59 PM)Adam2201 link Wrote: ... but headers were red hot.
Did you mean that the headers were actually glowing red hot?
If so, that is a sign of a retarded spark which is odd because the FZS600 is CDI.
(05-02-18, 01:59 PM)Adam2201 link Wrote: ... Fan didn't come on but it never does. I tested it last year and it does work (didn't test switch).
The fan should rotate if the bike is overheating so there is a definite fault there. Best to investigate that further.