





Briggs and Stratton Vertical 17.5 HP 500cc INTEK Engine 9amp 1" x 3-5/32" #31R977-0054
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Product Details
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
Best Review
Customers find the outdoor living product easy to install and running smoothly. They appreciate its powerful engine, good fit, and quick start time. Many find it a great replacement engine that starts right away. However, some customers dislike the mounting holes.AI-generated from the text of customer reviews