I don’t know if you’ll see this, but I’m working on the exact same motor. Needing to replace the main oil gasket. The unit is clean, but the bolts that hold the block to the frame deck really aren’t cooperating. Do you think I gab get to the gasket by removing the bolts (upside down ones) and lifting up the unit in the same direction as the flywheel? So worried about stripping the deck bolts - they are so tight and the tools I have aren’t giving me the best leverage. However, the upside down bolts are very friendly- almost too friendly as it makes me wonder if the damn thing just needed to be tightened down properly! 🙄. Appreciate your video - it certainly helped.❤

Before you even said it was the key with the symptoms you have when it runs on choke its not the key. If that key was sheered it would not even run. And especially when it has a pull start it would practically pull your arm off. Defiantly not the key.

Thanks for the video. Mice or rats chewed my wires and I am down to removing the Flywheel. I'll try your idea. Is there a "Shear-Pin" that may have broke instead of the Key way?

Perfect. ❤