TUNE IT to specs .
Don't guess and Pray it will start .
Condenser weak old points ?
Did the flywheel cam lob wear down points arm closing points gap?
CK flywheel timing & stater
Did you clean and re gap/points ?
Whats your timing set at ??
Did you Try a new spark plug ?
Spark plug gap is?
O and don't wast or time.
Good luck.