M Mick New Member Messages 2 Age 58 Location New York Apr 5, 2016 #1 Have an old fan cooled twin , trying to figure out what is. Numbers on tag below exhaust are 403577.
racerdave Moderator Staff member Moderator Messages 1,087 Age 69 Location Will County, Illinois Country USA Years Snowmobiling since 1976 Snowmobile AXYS Switcher 800,Indy600sp,XCSP600ves Jun 10, 2016 #2 Post some pics
