Engine runs rough and dies after going into forward and then will not start. I noticed a corroded contact on one coil and corroded boot on coil wire from power pack, the boot will not seat fully onto to contact. Can I clean the contact on the coil and can I replace the boot or the coil wire or do I have to replace the power pack? How do I test the coil to see if it is getting power to it and to the plug wire?
