Removed from a Freshwater 1990 Square nose Superjet. 

Please note - Sold as "for parts -not working" -  Will likely need diaphram rebuild before assembly.  

(B-19)

Cross references to the following models :

Yamaha Waverunner 1991 SUPER JET - SJ650P 

Yamaha Waverunner 1990 SUPER JET - SJ650D