1.High performance engine 4 stroke,SOHC,single cylinder,double exhause,4 value with Air/Oil double cooled system. 2.The only Atv manufacturer using Auto Senor Temperature Carburebor System. 3.Used international motorcyle standard Rugged ST-37 STEEL Tubing with fully argon welding.Not High Frequency welding. 4.Used high performance two piston hydraulic-discs rear break system. 5.High performance racing shock. 6.With flame resistant material&explosion-proof gas tank. 7.All key parts from Japan and Taiwan. 8.250cc/300cc with SUZUKI brand name engine.