Briggs and Stratton Vertical 17.5 HP 500cc INTEK Engine 9amp 1″ x 3-5/32″ #31R977-0054
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Cast iron cylinder sleeve and dual element air filter for extended engine life
Patented linear balancing system provides smoother performance
9 amp/electric start only
1″ x 3-5/32″ shaft, tapped 7/16″ with 1/4″ keyway
Common riding mower replacement engine
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