Couple of easy suggestions: 1.Make sure the ignition wires are connected to the correct color, and they are tight to the connectors. 2.Take the fuel line off and make sure you are getting flow (tank not plugged and petcock valve open correctly). 3. You can check for spark by pulling the plug with the wire on up against engine, and move the bike and look at the plug for spark. 4. The 10 mm bolts they give you for the carb are also junk and will not tighten properly, before stripping (hardware store has US fasteners that work). 5. The float in the carb may be hung-up, tap a little. Hope you get it going.