Originally Posted by crassius
running a few seconds & quiting is usually due to no oil
oil must be mixed WELL into gas before going into gas tank
a few times can be fixed by draining tank & pouring just a bit of 16:1 in tank & starting it up - then going back to 32:1 - more than a few times often means a broken motor
Actually running a few seconds could be that Karen added the oil to her bikes empty gas tank first which went down into the float bowl making her motor quit because a motor will not run on oil, it needs gas.
Total nonsense that one of these motors will not run on straight gas with no oil added. They will run for quite a while before the piston seizes in the bore.