Fuel Dot
A fuel dot is a check valve installed on the outside of the airplane and connected to the fuel plumbing. You can fuel by just plugging your hose in and turning on your pump...When fuel exits your muffler line...You shut it off.
I doubt very seriously if someone built this airplane and did not provide a fuel access without removing the cowl....
Pilots do not remove the cowl to fuel each time.....
You may already have a fuel dot and do not recognize it.
Doc