High Quality Content by WIKIPEDIA articles! The Banshee 350, manufacturer designation YFZ350, is a two-stroke All-Terrain Vehicle produced by Yamaha. IT was manufactured in Japan and sold in the United States from 1987 to 2006, and holds the distinction of having the longest production run of any ATV.THe yamaha banshee however has continued its production into 2009 in Canada and austraila. THe Banshee utilized a unique power plant, a non-powervalved version of Yamaha's RZ350, giving it a distinctive sound and power that earned it a devout following in the ATV community. DIfferences between model years are minor, including color combinations, upper "J-arms" on early models (1987 to 1990) followed by "A-arms" on subsequent models, the addition of a brake light in late production machines (1998 and on), and minor differences in electrical connector styles. 1990: Rear bearing carrier was revised to carry 3 bearings, instead of the previous 2. 1992: Chain slack adjustment was revised.