I put most of the 2418 back together and tried to start it up and noticed gas misting out of the carb. On the way home i remembered that i had a new intake seat put in head. I totally forgot about the valve work....I'm guessing that the intake is not closing all the way and needs proper play on the top gaped to specs in the manual. The rocker is probably to tight and not seating the intake properly and i'm seeing blow back through the carb. Any opinions would be appreciated.