Jianshe 250 ATV has three models, Mountain Lion 250 ATV (sold by Midwest in 2003,2004, 2005); JS250ATV-3 (sold in 2006, 2007, 2008, 2009) JS250ATV-5 (sold in 2006, 2007,2008,2009,2010) by Tank Sports Inc ( Tank Scout 250 ATV) and MDI (Panther 250 ATV JS). All 250 Jianshe ATV parts are same as JS 250ATV-3 except for Fenders and lights.