Honda GX390 13 HP Engine (Electric Start)Even for the most demanding commercial purposes, the Honda GX390 13HP Engine (Electric Start) is the ideal piece of equipment for the job. It is known for being incredibly durable and resilient. It is simple to start, and the cast iron cylinder sleeve gives this piece of machinery an exceptionally lengthy service life. Whether you need to power a go kart, pressure washer or chipper, this engine can do almost anything.