Check the above and note that the compression figures could be a simple valve adjustment or just sticky valves. This is especially so if it has set for a long time.
I have often seen low compression numbers go away after the engine is started and ran for a bit. This will often shake the valves and rings loose.
My ole A-4 had far worse numbers and it ran for 34 more years for me and it is running now for the new owner, keep the faith.
I'd try a bit of "spray" oil into the cylinders and let them soak for a day or two and give the engine a spin on the starter once in a while. Then try starting and it may take some "motor crack" (starting fluid). Also add some MMO or my favorite some 2-stroke oil to the gas at about 100:1 for some oil to get delivered to the valve stems. I have seen and experienced this working far more often than not.
Can it be confirmed that the compression check was done with the throttle and choke wide open?
Dave Neptune
