Well all just trying to fix all the annoying bits with the bus. The bus Carburetor was playing up so managed to find an exchange one over here cured the bad running but when you stop like when fueling up its difficult to re start. If you leave it for a while it starts no problem.When it starts again it runs a great. I have done all the usual things points ,condenser,check & adjusted timing ,check & adjusted float level , checked & adjusted mixture.It always started fine with the old worn carb so is pointing to the recon carb any idea anyone. Thanks Andy.