when the Evil Twin talks about his bike making a 'waah, waah, waah ....' noise - I can relate.
Mine does too.
Nothing that has ever alarmed me .... and not all the time - but it's interesting to hear that others have the same thing going on.
I think I'll follow Def's advice - and run some fresh tranny oil into the old pig. See if that quietens her down any.
"It's not what you look at that matters, it's what you see." - HDT