In dirt bike racing, two-stroke and four-stroke engines have their own unique advantages. What's the difference, and which should you chose?

Almost all gasoline engines, whether they're efficient-yet-less-refined four-cylinders, high-horsepower V6s, or growly and torque-rich V8s, use much the same process to create power. The "Otto cycle" ...

Valvoline launches its Champ motorcycle and scooter engine oil range in Malaysia, with fully synthetic and synthetic blend ...