Suzuki RG80 no longer starts

Sorry because of crossposting, but this fits in both areas 🙂 Hello! ICh have a very big problem with my Suzuki RG 80 Gamma: My Suzuki can only be lit with kickstarter. My battery is all, but you do not need to drive it num etc. Gasoline is in the tank. Oil is also available. The spark plug gives a spark (new). Air filter OK. Carburetor in my opinion also ok. Alternator is also ok. Key is on ;-). With starter spray it is also not possible (in the Lu ftfilter). Yesterday she jumped on me after a few 100 attempts times for 10 seconds, but then went out again. She then when I turned at the gas handle did not take much gas! Hope you know advice! Julian