The kit will come with fuel line and should have a filter as well
I would assume that you have been up keeping your own bike or bikes?
One should have maintaining a bike under there belt!
With that said this is a fun hobby but comes with a reasonable need for understanding maintenance. That list is a pretty decent list feel free to ask more questions. This is a great forum and folks will help! There are no dumb questions here !
This is a good read might fill some blanks on things not asked yet!
If you skim through here there is a ton of info!
Classic Instructions for Building and Repairing Motorized Bicycle Engine Kits - Bicycle Engine Kit Classic Posts at Motorized Bicycle Forum