agree that it may have the wrong timing pointer. I've built a motor that had the balancer that was to be timed at "12 o clock"
and I was timing it at 2 oclock like normal. this set the timing very retarded and it wouldn't run.
What I did was fake the timing mark on the uppermost bolt on the timing cover toward the drivers side of the motor. i just use that as a 0 reference and use an advance light