Spark issues

[danmpls]

I have a 72' CL350. I am getting spark on one side but and none on the other. According to the Clymer manual I should be getting a "fat blue spark". I got a little wimpy one and nothing on the other. What might be my best course of action for sorting this problem out.

 

[junkyard jon]

coil, cap, wire, wiring, take your pick

 

[danmpls]

it was the points gap. Thanks.