2006 Arctic Cat Y-6/Y-12 50cc and 90cc Service Manual, Page 59Get this manual
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Carburetor Specifications ITEM
KeihinPB
N413-43A00 NGRA-3 1700 1.6 10.2 mm (0.40 in 6.0 mm (0.25 in
Carburetor Body O-Ring Set Plate Screw wWasher Choke Assembly