Small Engines (Lawn Mowers, etc.): Briggs 5hp no spark, illustration purposes, ohm meter


Question
Craftsman 2400W w/ 5hp Briggs Model 135212 type 0752 A1 Code 960207YB.  Here is a narrative and pictures where I posted on a local forum for hunting (usually someone knows something, but not on this one) http://utahwildlife.net/forum/viewtopic.php?f=46&t=12021 I suspect that the problem may be with rust; if you agree, how do I remove it?  

If you are not able to go to the site, here is what I had posted:
So I have this generator that I just picked up for free. It cranks over, so I figured that the price was right. I had it started for a couple of seconds, the end. I change the plug and oil, just a little milky, plug was just barely fouled. I get no spark at all. One thought is that maybe the flywheel is pretty rusted on the iron parts, but clear on the steel/magnetic part, which I would expect to not be a big deal as iron will rust within minutes of meeting any moisture in the air. Upon removing the coil there definitely was plenty of magnetism between the crank and the coil, so does that leave only the coil being bad? The plug wire appears to be fine and there were no sparks at all on the wire in the dark. I know that the coil itself can be tested with an ohm meter, but I don't recall how or desired readings; where can I find such? Here are some pics for illustration purposes. It cranks smoothly; it did smoke quite a bit when it did start; compression seemed good just by feeling the cylinder pressure when pulling the crank.


Answer
Hello Daniel:

The Easiest way to Test a Small Engine Coil is; The Following is a Basic Instruction File I Made for Checking the Coil/Ign Coil/Magnetron on Small Engines. Any Input is Appreciated. **To Check the Ign Coil; With the Coil Mounted Properly on the Engine; 1- Remove the Spark Plug/s. 2- Wrap a Wire Around the Threads of the Plug and Attach the Other End of the Wire to the Engine Block. 3- Remove the Blower Housing (metal engine cover). The Wire that is Connected to the Coil/Ign Module from the Shut Off Switch needs to be Removed (unplugged) from the Coil/Ign Module. Now Check for Spark at the Plug. If Spark, then the Shut Off Switch or the Wire is Bad. If Still No Spark, then the Coil/Ign Module is Bad. If there are Safety Switches on this Unit and the Coil is Good; you Need to Check the Safety Switches for Being Bad Also.** The Coil is Gapped to .015in - .020in from the Flywheel. If you Hit a Snag or this Does Not Correct the Problem,  I am Here if You Require More Assistance. Hope this Helps. Let me Know What Happens, Please. Have a Happy Holiday Season and May the All Mighty Bless You and Yours. Be Safe and Happy. Thanks.

Good Luck

Respectfully

John

PS: I am Allowed to Answer 10 Questions a Day. If you See I am Maxxed Out, then Try Submitting your Question at or Just After 8pm EST (US). My New Day Starts then. Comments and Ratings are Greatly Appreciated. Thanks.

Respectfully

John