WaveEater Power Valve Clip and Couplers Kit - for 1200cc & 1300cc Yamaha WaveRunners Solves Power Valve problems on 1200cc & 1300cc Yamaha WaveRunners Keeps power valve pin from sliding out of place Easy installation, remove only the inspection covers, 10mm wrench is all that is needed Can also be used For all XLT1200, GPR1200 and XR1800 sport boats