Briggs & Stratton model PB 1923-1935 2.50" Bore 2.50" Stroke F-Head
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Everett drill engine briggs & stratton FH December 1928
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Briggs & Stratton FH 1925-1933 2.25" Bore 2.25" Stroke OH Valves
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Briggs & stratton FI 1927-1933 2.25" bore 2.25" Stroke OH Valves
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Briggs & stratton FG 1929 2.25" Bore 2.25" Stroke OH Valves
Briggs & stratton FE built in july 1925
