drz400e

I am having a no start issue after I drive the truck around and get it hot, like there is no fuel moving. There are about 80k on it now. This problem is random and it seems to start after it cools or about a half an hour. I have read some threads but don’t know what the final results have been to fix the problem. I do not what to start throwing parts at it, I will change the fuel filter, but I do not think that is the only problem.