We've covered the nuances of the Predator 212 compared to the 212 Ghost engine from Harbor Freight already, but in summary the Ghost is specifically designed for racing and performance applications.

Water pumps, mini bike builds, and rototillers are just a few examples of where the 212cc Predator engine shines as a major brand of Harbor Freight. According to Forbes.com, Harbor Freight Tools ...

When the 6.5 HP (212 cc) Harbor Freight Predator engine in his kid’s go-kart gave up the ghost after some particularly hard driving, [HowToLou] figured it would be a good time to poke around ...