i'm working on a 14.1 hp. fleet scott(mcculloch mfg). to date i've put 2 new coils,new condensers,new flywheel, 2 sets of points. and still i can get no spark at the plugs.how do you test the parts? the spaceing from the flywheel to the magneto is pre set by the flywheel.<br /> any help would be appreciated!