Yamaha ox66 issues

[striper56]

I bought the primer ball from West Marine $29.99. I think they had a West Marine brand that I did not will not buy. I think it was a Mercury primer ball. I was having the problem before and after replacing all of the fuel line and primer ball.
I hooked the 6 gallon tank directly to the LP pump and the engine still would cut out when increasing or decreasing the rpms mostly between 2000 and 2400 rpms.