Still having choke problems...compression good (per mechanic), replaced a power pack. Motor runs great (on mufflers) and idles smoothly, but will not start when cold. Choke plate closes well, but she isn't drawing fuel. I pulled and dismantled the carb yesterday (just rebuilt with kit weeks...
I posted last week about the hard starting of this engine. Runds great once started. It was suggested the choke plate may not be closing tightly or the carb ports under the top welch plug may be blocked. I removed the plug, ran a wire thru each port, no blockage, then shot carb cleaner thru...
I pulled out my 15hp this spring. Started up and ran great for the day. A week later, wouldn't start. Pulled and cleaned carb. Got it started, would not reach high rpm as though on one cylinder. Did carburetor rebuild. Still hard starting and no top end. Gave to mechanic. Did compression check...