Solas yb-cd-13/17 Concord Yamaha impeller is great all around improvement gain 2+mph. Solas Yamaha impeller is made of stainless steel and is a variable pitch impeller. Solas yb-cd-13/17 This upgrade over stock impeller Fits Yamaha Superjet 94-10, 1996 Raider 760, GP760 97-00, Raider 760, Raider 701 94-97, Raider Delux 95, Venture 700 95-96, Blaster 93-96, Pro VXR 93-94, Waverunner 3 GP 701 94-95 701, Waverunner 3 97, 6r7-51321-00-94 62t--51321-B0-00 62e-51321-00-00