that valve looks like the one on the yamaha xs650, they call it a whizzer valve. rebuild parts available from mikes xs. you will have to put on a vacuum line on it to make it work.
cliff
[ This message was edited by: alfacliff on 2006-12-05 15:11 ]
cliff
[ This message was edited by: alfacliff on 2006-12-05 15:11 ]