If it kept stopping due to air cleaner obstruction, it was running very rich. That means it should have run decently if you had screwed in the mixture adjustments far enough, but power would have been down due to not getting enough intake air. Anyway, with a clean air filter, you should be able to follow the recommended procedure for mixture adjustment and get a feel for how it is going to run.
Thank You. I`ll set the screws back to scratch and then one full turn anti-clockwise and try to set the screws accordingly.
