However, lacking the plumbing, pump, and various seals of water cooling, air-cooled engines are often robust and reliable.

This time, [Leo] really wanted to push what could be done with plastic parts, so everything from the water jacket for the cold side of the cylinder to the gears and connecting rods of the rhombic ...

QJMotor is not the sort of company to rest on its laurels. The Chinese bikemaker has an arsenal of motorcycles in its ranks .

Primarily there are 2 types of cooling used for the engine. Air and Liquid. Air cooled engines are cheaper but the cooling may not be uniform since the rear portion of the cylinders cannot be ...