Stage 2 > new model just released; * this is the second high rev 49cc 4 cycle 1.6 hp bicycle engine kit available from china. New design just released with gearbox engager contol; * usa epa approved 4 cycle 49cc high rev engine; a pure pleasure to ride as compared to the high vibration 2 cycle engine found in other china kits. * faster and more powerful than 48cc 2 cycle. With speeds from 40km to 60km depending on rear chain sprocket ratio orderd.62 theeth to 44th. * centrifugal clutch operation for give gas go. * 7000 rpm or without governor or can be orderd with a govenor to hold to a max. Of 5500 rpm. * everything included to mount on a vee frame bicycle and operate like a moped. * gear box with integral engager system. Handle bar controlled engager works like a clutch. Uses torque amphification to pull away without pedaling. * gear box and chain drive to left side rear wheel; * gear box will also fit the honda gxh50 50cc 4 cycle engine and can be purchased seperately as an installation kit less engine. * includes machined universal engine mounting bracket to fit vee frame bicycles. * all parts and hardware included to mount on your own 26 bicycle. Includes rear 44 tooth 9 hole chain wheel sprocket and 415 hd chain. * engine with rope recoil pull start. * can pedal bike normally engine > on or off. * speeds from 25mph to 37mph depending on sprocket ratio orded/100 mpg * shipped direct from our factory. Fob: * min. Order 50 units lcl 600 per 20\'\' container load. Must be qualified to buy so please send your company profile and marketing plan with your first inquiry. All inquires without this information will be deleted and not answered.