Johpal Posted October 10, 2019 Share Posted October 10, 2019 Hi everyone, so i have a Fly100evo paramotor which i have trouble diagnosing. What i have done so far: I have changed the cylinder and piston after they got stuck running too lean ( may have been damaged before as well since i bought it used). I have also done a carb rebuild (new gaskets and membrane) since it seemed to build up alot of air in the fuel line coming to the carb. The Problems i am having: -I can fly fine for about 20 mins then it starts behaving irregular in the RPM of the motor. loosing power to the point where i cant even climb anymore. -Now recently it have also started smoking a bit. - I used to have problem with it stalling when bending forward with it on my back until i did the carb rebuild. will changing the carb and reed valve to new parts help? I'm quite handy guy but combustion engines ain't my field so if anyone got tips i would greatly appreciate, I read this below which seems to fit my problems. but being stubborn i have hard accepting the not reparable part. The pilot bends over and the engine stalls. This is NOT a repairable problem! It is caused by the puddling of fuel and oil in the crankcase. Bending over will allow the flywheel to slop the puddle (usually with a higher concentration of oil) into the combustion chamber. The engine may either smoke a lot for a moment or stall source: http://www.southwestairsports.com/ppgtechinfo/top80/hrservicenotes/performanceissues/performance_issues.htm Quote Link to comment Share on other sites More sharing options...
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