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Old 10-17-2020, 09:24 AM   #13
grumpyunk   grumpyunk is offline
 
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Join Date: Jul 2018
Location: nw of atlanta
Posts: 169
I bet it is venting the gearbox(and crankcase) to atmosphere. Look closely and it may be a cleanable 'filter' that is part of normal maintenance.
tom


 
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