Posted 7/24/2014 05:36 (#3983237 - in reply to #3982998) Subject: RE: Question on updated, lower 9 tooth cornhead sprocket
Don't forget there might be an o-ring (#20) (part # R375R) with that greasable type sprocket to help seal in the grease and keep out dirt , at least there is on 90 series heads OEM sprockets.