Craftsman 917.256812 Owner's Manual page 49

REPAIR PARTS
TRACTOR - - MODEL NUMBER 917.256812
BRIGGS & STRATTON ENGINE - MODEL NUMBER 28N707, TYPE NUMBER 0173-01
127 138 106 987 95 117 634 634B
137 7
............. 121 CARBUREToR OVERHAUL KIT .........
#r REQUIRES SPECIAL TOOLS
TO INSTALL. SEE REPAIR
INSTRUCTION MANUAL.
130
95 987 t
634B
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1033 VALVE OVERHAUL KIT
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618
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137
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49