Yamaha Radiator Cushion YFG-31124-03-70. Overview. The Yamaha YFG-31124-03-70 Radiator Cushion is a genuine original equipment manufacturer component designed to support and stabilize the radiator within the cooling system assembly. This cushion helps absorb vibration and reduce movement between the radiator and surrounding mounting components, protecting the cooling system during engine operation.. By minimizing vibration and maintaining proper positioning of the radiator, the cushion helps pre