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Posted

make sure pilot jets arent plugged.. spray some starting fluid into carbs (NOT MUCH)..  if it starts, your not getting fuel..  if your using the stock carbs, make sure the little peice of tubing is between the two, make sure cdi is good

Posted

Had a rattle in old flywheel and was getting a backfire with it. Now with a new one I'm not even getting that. Wiring is a mess but has always ran. Fresh rebuild! Passed leak down.

Posted

With good compression , fuel, air and spark is all that is needed to run.  If you you actually have spark the wiring is correct.  If it was a kill switch, key switch, or tors you wouldn't get spark.  It is a logical troubleshooting process. 

 

SP

Posted

How crazy is this though. My on, off switch never worked before only the lights. Would run no matter where the switch was positioned

That's likely nothing more than a dirty set of contacts inside the housing.  The contacts for the run stop need to be open to run.  When they are closed it grounds the ignition signal and no more spark.  Intermittent spark is usually a mis adjusted pickup.

 

SP

Posted

Yep, got fuel. Lol. Gap set at .016. At this point I'm leaning toward a bad cdi. Problem started when my stator rattled loose and got damaged from the flywheel. So I replaced the stator, flywheel and ignition coil. Weird how easily the new flywheel comes off the crank. My woodruff key is worn some, but other than that., its sparks totally random.

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