Terry - the next time you go to start it cold, try NOT pumping the footfeed. Crank the engine for about 6 seconds, then pump the foodfeed 3 times, depress the footfeed to the floor, and then take your foot off. Now see if the engine will start (NO FOOT).

Jon.

Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify.
If you truly believe "one size fits all," try walking a mile in your spouse's shoes!
The Carburetor Shop