Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Primer is on the carburetor, do you see air bubbles in the fule lines when you press the primer, or is the fue clear of bubbles? If bubbles, you may have a bad hose or the hose is split here it goes into the carburetor,
When did engine last run? Has it been stored? Did you use a gas treatment before storing?
Yes, there should be no bubbles after the initial pumps.