Harbor Freight sells two versions of its Predator 212 engine with differing horsepower outputs. Both are four-stroke designs featuring horizontal crankshafts, recoil pull-start, and 212cc ...

Next to the camshaft, the carburetor on a race engine is probably the most difficult component to select and set up. It must be large enough to produce maximum power and small enough to give good ...

Making performance modifications to Harbor Freight’s single-cylinder Predator engine has become a thing, and we’re totally here for it. We’ve seen one fitted with a home-brewed, Koenigsegg-style ...