Good to hear you've saved this one from the scrappers ,yes I've had a lot of Briggs coils and Chonda coils not work even if you get spark with the plug removed. I've even had new equipment that was a year old that wouldn't run but had spark and then you fit a new coil and they start straight away .
Had a lot of mowers that run well when testing them for a few minutes every few days then after a few more days they won't start and it's just a bad coil.
It's obviously not worth spending around $1000. on a coil load tester.
It's going to be tricky to get the decomp to fit the OHV motor ,it's a pity they don't make spark plugs with a built in decomp.
