Join Date: Feb 2009
Location: Suffolk, VA
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Check for Spark
Gotta prove you have fuel and spark reaching the cylinder.
Make certain all of the safety kills are set to run.....not sure all on this specific bike, I have Alpha Sport LG50.
Did you take the spark plug out and while its inserted into the plug wire, ground the threaded portion of the plug to the engine, bare metal and with everything on and in thr proper position try cranking. You should see a small spark from the plug.
Also, does it have a safety kill switch? Look around the back of the unit and see it it has a "key" and lanyard. (you may be referring to this as the "tiny key"). Clean or replace the plug.
If its firing then you are not getting fuel/air. Start by pulling the fuel line off at the cut off valve, open the valve and verify flow. Is there an inline filter? Check flow on the out put side of it. You have to be getting air since you used carb cleaner.
If you have flow and spark then you may have to pull the carb. I just got mine re-installed last night, same problem. Had to disassemble the entire carb, clean and are assemble. Seems ok but havent field tested yet.
What carb is on it.