Motorcycle.com has a list of the most expensive motorcycles to ensure. You can see their list here, it has all the details on the following ratings.
10. Harley-Davidson Ultra Classic Electra Glide
8. Tie Ducati 848 EVO and Ducati Streetfighter 848
7. Ducati Diavel
6. Ducati Panigale
5. KTM RC8R
4. Honda CBR1000RR
3. Suzuki GSX-R1000
2. Kawasaki ZX-14R
1. Suzuki Hayabusa
Of Couse I have one of those, the Electra Glide.
But to help you out Motorcycle.com also provides a TOP TEN WAYS TO SAVE ON MOTORCYCLE INSURANCE article!