http://www.ec21.com/ec-market/90cc quads.html http://sayone.en.ec21.com/New_Design_50cc_70cc_90cc--2236560_3111586.html Product Description: 1. Engine: 50CC/70CC/90CC/ 110CC, Single cylinder, 4 stroke, air-cooled. 2. Transmission mo20091228 http://zili.en.ec21.com/EPA_ATV_Quad_70cc_90cc--1455076_1455228.htmlWith EPA CE certificate 1)engine 50cc/70cc/90cc 4-stroke, fully-automatic 2) Starting system: electric starter 3) Seat 20081118 http://xinshun.en.ec21.com/Mini_Quad_50cc_70cc_90cc--1776501_1778938.htmlModel: XS-D002 Front tyre: 145/70-6 Rear tyre: 145/70-6 Max speed : 45Km/h N. W/G. W: 65/70Kg Type of engine: single-cy20080220 http://cn200018910.en.ec21.com/90cc_ATV--3357433_3357482.html Specification Engine type: Air-cooled single-cylinder four-stroke Ignition: CDI Starter: Electronic/kick 20091223 http://colored88.en.ec21.com/Epa_EEC_Quad--3932748_4022043.html epa,eec approved quad: CE,EPA,EURO-2 certificates 1) Engine:gasoline,4-stroke, 4 gear, 4speed 2) Displacement:50cc/7020091222