Posted by BarnyardEngineering on May 23, 2020 at 13:20:28 from (66.67.62.199):
I got a "free" Polaris Sportsman 90 non-running to fix up for my nephew. It's a 2-stroke reed valve type engine.
Replaced the carburetor and reed valves. Now it starts and idles. Pulling the choke causes it to flood and die at idle.
Still won't rev up. Acts like it can't get fuel. It will start to rev, then bog down and die. Pulling the choke does not help. Overhauled the original carburetor and it's WORSE than the new one. Won't do a thing with that carb.
Starting to think this thing is cursed. I know my engine troubleshooting. This engine is not reacting normally. It has not reacted normally to any of the troubleshooting I've done.
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