The new Solas Concord YJ-CD-12/20 blows away the performance of your stock impeller! Large blade area and superior hub design deliver increased acceleration and top speed.

YJ-CD-12/20 is designed for improved performance on Yamaha EX applications with stock ECU tuning.
For stage 1 and up tunes, Solas Yamaha Concord 144mm 12/17 impeller is used. Part# YJ-CD-12/17.