* The 1100 V Star tank is larger than the 650 V Star tank, so it will hold more fuel.
* The 1100 V Star tank has a different shape than the 650 V Star tank, so it may affect the look of the bike.
* The 1100 V Star tank may require different mounting hardware than the 650 V Star tank, so you may need to purchase new hardware in order to install the tank.
If you are planning to install an 1100 V Star tank on your 650 V Star, it is important to do your research and make sure that the tank is compatible with your bike. You may also want to consult with a professional mechanic to ensure that the tank is installed properly.