As said, it's the problem with todays gas, after about 4 days you start running into this starting problem. You only have 3 choices in this matter to fix it.

1. Do nothing and live it while having to crank and pump the pedal till it fires.

2.Get yourself a screw cap type ketchup bottle with some gas in it and give the carb a squirt in both barrels before cranking to give it a shot for quicker starting. What I'm currently doing now on one vehicle till I do #3.

3. Install a electric fuel pump that switched. Before starting the car let the pump run for about a minute to re-prime & pressurize the system for quicker starting. Which I've done to another vehicle and starts fine!

Deal with the problem, or fix it!