Spark plug choices

Not worth the money... tried em, they make no obvious difference. What IS worth looking at, is your coil input leads. Mine were slack , & causing poor firing on cylinder 1. unplug, crimp up the tab, & refit nice & tight.
 
Thanks I do that . She's ready for plugs. The electrodes look like they have been running rich. I spent allot of time during the winter idling when I should have been riding GW