After you work on this stuff for so long we all have cases where we would like to choke the engineers. 5 hour job to remove, replace the faulty ignition module, and reinstall the engine on a White Z turn mower. 4 hour job to remove engine, clean and repair carb, and reinstall engine, because in order to remove the carb, you have remove the blower housing,but in order to remove the blower housing you have to remove the engine due to the drive shaft on the Cub Cadet.