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21 HP B&S Black smoke from muffler, possible Carb adjustment?
The engine is a 21 HP, B&S Platinum with XRD engine family ABSXS.5402VB. Model 917.28922 on the manual cover or Model 917.289223 under the seat (YTS 3000). Blowing black smoke from the muffler when you start it up and when you put a load on the engine such as engaging the mower and at times when...- wgmarti
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- Forum: Briggs & Stratton
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21 HP B&S blowing black smoke out of the muffler (YTS 3000)
Model 917.28922 on the manual cover or Model 917.289223 under the seat (YTS 3000). Blowing black smoke from the muffler when you start it up and when you put a load on the engine such as engaging the mower and at times when mowing the grass it throws out black smoke. Also has a smell but not...