Will not start unless I spray starter fluid in. Coke works. Once running it runs great. I checked the compression on all 4 of the cylinders and they are all close together and within specs. I tested the spark with a gap tester and good. Using good fuel and primer bulb checked. Starter...
Last week dumped the fuel and put new fuel in tank. I cleaned the carbs, they looked very clean after taking them off but still cleaned them. Choke works manual and electric. Tested the compression - all cylinders within 1 psi of another. New spark plugs. Happened last year also at the end...