The Real Reason Half The World's Bikes Don't Use Liquid Cooling

Liquid cooling is better than air cooling by every engineering metric. So why do roughly half the world's motorcycles still use air-cooled engines?

In this video, we break down the real reasons: from the physics of heat transfer to the $770 commuter bike in India that can't afford a radiator, from Harley-Davidson's decades-long cultural war against liquid cooling to the WWII Spitfire engine that inspired Suzuki's oil cooling system.

We also cover how Euro 5 emissions regulations are slowly killing air-cooled engines, which iconic bikes have already been discontinued, and why the air-cooled engine might become the vinyl record of motorcycling — technically inferior but culturally irreplaceable.
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