Solas YD-SC-I Super Camber Yamaha Impeller is a Stream lined impeller which increases volume flow giving increased performance.. Solas ydsci This upgrade over stock impeller fits Yamaha XL1200 '98, Raider 1100 95-96, Venture 1100 96-97 replaces 66f-r1321-00-00 63m-51321-ao-00 ​