RIVA coupler kit for Yamaha 1.8/1.9L (08+)

RIVA Racing coupler kit for Yamaha jet skis, 1800cc and 1900cc models

Reference: RY30040-BDC

Our billet transmission couplers for Yamaha 1.8L and 1.9L engines are precision machined and balanced to reduce transmission vibration.

Designed to accept the included Kawasaki OEM shock absorber which has proven to be much more reliable for high performance applications.

This coupler/damper setup has been extensively tested by the RIVA Racing team on highly modified boats in offshore conditions.

This is a must-have for your performance development!

Main features:

Improved reliability

CNC machined from 6061 aluminum

O-ring sealed crankshaft cap

Anodized to prevent corrosion

Includes OEM Kawasaki shock absorber (part # 92161-3711).

Made in USA