Read this to begin...
www.insure.com
Me telling you my rate means nothing. The only thing in common is the motorcycle.
You might seriously start by shopping around with other companies & see if those rates are comparable.
A lot of other discussion on this topic elsewhere on this forum.

Factors that Affect Car Insurance Rates | Insure.com
Age, location, the make and model of your car, and your driving history are some of the main factors that insurers take into account to calculate how much you pay for car insurance.
Me telling you my rate means nothing. The only thing in common is the motorcycle.
You might seriously start by shopping around with other companies & see if those rates are comparable.
A lot of other discussion on this topic elsewhere on this forum.