I have an 11 hp Briggs and Straton Model 252707-0622-02 engine. Just had to lap the intake valve due to it not sealing completely. Also that exhaust valve stem had too little clearance so I fixed that while I was at it. Had originally run a compression and leak down test. Low compression 70 psi and failed leak down test, could hear it exiting the intake valve through the carb. After lapping the valve and adjusting valve stem clearance leak down test passed and compression was 125 psi. Tried starting it and it would not start, did not detect any gas blowing back out of the carb and was getting puffs of smoke out of the exhaust. Did have what appeared to be one or two backfires through the carb though. I have an ignition tester for small engines it has an approximate 1/4" spark gap inside of a hollow tube into which you insert a solid tube to raise the pressure on the gauge into the green range to simulate the condition in a cylinder. Bright blue consistent spark. When I was working on the valves I had the cover and screens off of the flywheel enclosure and looked at what I could see of the flywheel key. It did not locked sheared or broken. I did not however take off the flywheel to confirm it. When I pulled the plug it appeared to have some gas on it, not a lot. Any ideas of my next steps to get this monster to run or do I just out it out of its misery.
Thanks for any ideas or help,
Bill
Thanks for any ideas or help,
Bill