VERY strange screeching noise coming from F4i motor.. Ideas?

[Tattooty]

Originally Posted by broham

Hmm. how could it be the starter motor?

I remember someone saying that the magnets inside the starter motor will sometimes come dislodged and cause issues leading to that type of noise. I replaced mine on my 600rr and the noise stopped. But I couldn't tell you for sure if that's right or not.