Strange sound, need help !

[Thorn]

[quote author=lds1973 link=topic=8969.msg89513#msg89513 date=1374517185]
[quote author=His Dudeness link=topic=8969.msg89480#msg89480 date=1374510750]
Try putting a screwdriver against different parts of the engine and against your ear and see if you can isolate where the noise is coming from

Not while you're riding though.
[/quote]

I've isolated the noise. It's definitely coming from the screw driver
[/quote]

:rollin