Aug 19, 2020 ยท Kohler Marine Generator Troubleshooting. Kohler marine generator could have several problems. It may not start, there could be a hard start, it may stop suddenly or lack power, the operation may be erratic, there could be knocks or pings, skips or misfires, backfires and overheating issue. High fuel consumption and other operational lapses or .... "/>Kohler efi engine won t start