Will someone please help me understand what this white stuff is on my bike?
Here is what I know:
1. This has been here for a while, doesn't rub off with finger (that's how i clean my bike

)
2. There does not appear to be white stuff on the coolant hoses close to the spot.
2. Oil is full and normal looking (not milky)
3. Bike has been running great... there might be some valve noise... 26.5k hard miles, done about every recall/service bulletin/repair you can think of.
Thanks!