USHorse 41 #1 Posted May 29, 2009 I have a K341S-71371, Serial # 14199379 on a 416-8. I have been using a 0.025" gap on the plug but the manual does reference other gaps for: 1. Battery / Breakerless @ 0.035" 2. Magneto @ 0.025" 3. Gaseous Fuels (magneto / batterly only) @ 0.018" I do want to verify what gap I should be using, but also curious as to the basic definitions of the above ignition types. How would I know what I have Thank you as always :drool: Share this post Link to post Share on other sites