Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

Indian Motorcycles predates Harley Davidson for American motorcycle production, and is responsible for more of today's modern ...

Toyota actually wrote the book on precision engineering processes to make some of the best quality engines on the market.

Yamaha says it wants to understand the full potential of V4 engines used by its rivals in MotoGP as it ponders what direction ...

If you need to replace your car's engine, you're tackling a job that can be complicated and difficult. You can simplify it ...

Based on a Wright R-975 Whirlwind radial engine, the Hackel-Wright Chopper is unlike any motorcycle you've seen before. It borrows components from Harley and Toyota and is built by a guy named Al ...