Hello i have a 73 cb 350 twin with 22729 miles and it always made a tick tat noise ran just fine. I firgured it was just the upper end of the motor working like it should. One night I went WOT through 1st and into 2nd and the tick noise got a bit louder to where now I,m a little bit concered should i be? it still runs just the same as before
Any help will be appreciated thanks