New HRC216HXA running very very rich...

magbarn

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Jun 8, 2014
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Bought a HRC216 2 years ago and it went into storage without being started, fuel tank was completely dry
Finally got around to mowing my property again and now it seems to running really really rich.
Has only been run for a few minutes total

Has the following symptoms:
Ragged idle…due to “loading up” of unburnt fuel
Idle that tends toward lower rpms regardless of setting of the curb idle screw - black screw at front of carb
Easily settles to idle, but has tendency to dip below set idle speed then recover…sometimes stalls goes between 1400-1700 rpm
at 2700-2800 at fast idle and when blade engaged.
Strong pungent odor of unburned fuel
Excessive buildup of dry sooty deposits on the exhaust port
Responds to throttle, but sluggish
air cleaner spotless
There seems to be a mixture adjustment screw at the front of the carb, but it's capped by a "idiot EPA" cap

Edit: I did pop off the air cleaner housing and did verify that the choke disengages when taken out of choke. The cables seem to be adjusted properly...

Does the carb just needs to be replaced? Although I never ran the mower, it's past its 2 yr warranty....
Is the carb# 16100-Z1V-801?
 

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