GENUINE STIHL CHAIN SPROCKET COVERPART NUMBER :Â 1123 640 1700FOR MODEL(S) :MS 170MS 180 C-BMS 180 C-BEMS 210 C-BEMS 230 C-BEMS 250 C-BMS 250 C-BE017017 C018018 C021023025 GENUINE STIHL CHAIN SPROCKET COVER PART NUMBER : 1123 640 1700 FOR MODEL(S) : MS 170 MS 180 C-B MS 180 C-BE MS 210 C-BE MS 230 C-BE MS 250 C-B MS 250 C-BE 017 017 C 018 018 C 021 023 025.
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