NOS Yamaha YZ80E Complete Frame Gusset Set 1978 YZ80 YZ 80 E Reinforcement KitNOS Yamaha YZ80E Complete Frame Gusset Set 1978 YZ80 YZ 80 E Reinforcement Kit This is a rare, NOS (New Old Stock) Genuine Yamaha Frame Gusset Reinforcement Set specifically engineered for the 1978 Yamaha YZ80E. This weld on kit was a period correct factory solution released to strengthen high stress areas of the "E" model chassis, which was the first YZ80 to feature the Monoshock rear suspension. Technical Specifications Manufacturer: Yamaha (Genuine