well, for one...DO NOT RUN IT WITHOUT A BATTERY EVEN IF YA DO GET IT TO START !. you will burn the stator out !. one spark when you kick it over ?, tells me the c.d.i. is bad. start by putting a new battery back in it, try cranking it over, watch for spark on the plug. any time you spray starting fluid to them, and they won't '' hit '' off that ?, then this is a spark issue ?, or not enough compression issue ?, or timing issue ?. but from what your saying it sparks one time when you kick it over ?, this is a very common problem with a bad c.d.i.
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