Learn how a small engine’s gear and piston system operates together, explained through clear visuals and real mechanical ...

You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

Piston-engined fighters ruled the roost for thirty years. A brutal survival of the fittest ensured a rapid evolution of these characterful machines; the final fighters were over six times faster and ...

The 2026 Infiniti QX60 arrives at a moment of profound industrial divergence. On the surface, this three-row luxury SUV ...

Spark plugs are necessary for gas-powered engines. However, they're not all the same, and they can come in different shapes ...

Triumph has expanded its 400 range with the new off-road-style XC, but what can it offer? Jack Evans finds out.

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

Chances are, this particular Toyota engine has been in some of your favorite tuned cars.

Harley’s Nightster Special balances V‑Twin character with comfort and tech, redefining what a modern cruiser should be.

Both companies make engines that power narrow-bodies, but have different design philosophies.

Blending sportbike agility with touring practicality, the Tracer 9 delivers luxury features and confidence at a price riders ...