Hi Clive, Thanks for the advice yes it is the central brass tube that is damaged by drilling. I tried operating the mower with the breather cap open and still have the same issue. I will try poisting the slow run mixture as suggested once I manage to re build the carb. Will let you know how I get on...

Hi I have just acquired an old Flymo 2 stoke for the plot, It will run but only for a few seconds then it cuts out. I have striped the carb and given it a good clean and it runs better but still cuts. Looks like someone has tried to drill the centre spigot in the past. The engine is a Tecumseh with ...