I would recommend doing the basic maintenance first. Could only help. Only then would I personally change the auto-choke. Did you change the plug and adjust the valves? Did you check/replace the air filter? Did you check the vacuum hoses for leaks? Try the simple stuff first. It will be much better and cheaper than throwing parts at a problem. I have learned the hard way.
I agree with you about the maintenance. Took me quite a bit of tinkering, but I eventually got my People 50 to start and run OK when it's cold. Poor cold start is a known gripe on these.
I emphasized ok, because it's still a little temperamental. I regularly have to "hand" choke it to get it to start. By hand choke, I mean covering the air filter inlet with my hand while I crank it over. Once it starts, it runs great.
The other thing that I found works is to crank it a second or so with the kill switch on and the start it. Seams too prime it a little.
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