This is actually still a problem with some air-cooled bikes, and a lot of even the common beginner bikes made up into the 00s are air-cooled. The bike overheati

This is actually still a problem with some air-cooled bikes, and a lot of even the common beginner bikes made up into the 00s are air-cooled. The bike overheating aside, when you're sitting stopped on 101 near Mineta airport on a gasoline-powered heater, you will overheat too.