Yamaha has built several famously durable engines, but one modern parallel-twin already has the mileage numbers to prove and ...

Learn how proper cylinder head inspection, resurfacing, valve guide service, and valve work can help prevent costly engine damage during a rebuild.

The Ultimate Engine Breakdown: How 2-Stroke and 4-Stroke Motors Really Work ...

Engine swap on a 1989 Scat 2 hovercraft — installing a 100 hp two-stroke Rotax engine. #Rotax #Hovercraft #EngineSwap #Scat2 ...

One tuner is showing what's possible with the old platform, beating Jeep's Hurricane twin-turbo inline-six horsepower number ...