50 mhf does not seem to change speeds

15ynnhoj

New User
mf 50 with 134 continential engine and zenith carb will not hardly run and rpms does not change. I put a carb kit in the carb and adjusted the float per directions. It will start and run but does not change speed under a load. It does not have enough power to go in high rand only works in low range. I check compression and each cylinder has 140 -150 psi, Any help appreciated[/b]
 
Thing to check are air filter exhaust flow timing fuel flow and spark.Eliminate muffler and air filter if no help then mark dist. and move it around while running also make sure throttle is
connected to carb.
 

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