Mercury outboard spare part 8071791 (SET SCREW (.250-20 x .820)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 200 HP XS 6 CYL (2.5L), 250 HP XS 6 CYL (3.0L), 300X (3.0L) PRO MAX, 3.5 HP, 300 HP XS 6 CYL (3.2L), 250 HP Sport XS 6 CYL (2.5L), 225X EFI PROMAX. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8071791 (SET SCREW (.250-20 x .820)), documented in 4 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB3-5-hp6202173 THRU 0A809600411View
Mercury 2-STROKE-CARB3-5-hpARCHIVE CAT 822366411View
Mercury 2-STROKE-EFI225x-efi-promax0T430254 THRU 0T819605411View
Mercury 2-STROKE-EFI300x-3-0l-pro-max0T429940 THRU 0T999587411View

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Appears in diagrams of these models

  • 200 HP XS 6 CYL (2.5L)
  • 250 HP XS 6 CYL (3.0L)
  • 300X (3.0L) PRO MAX
  • 3.5 HP
  • 300 HP XS 6 CYL (3.2L)
  • 250 HP Sport XS 6 CYL (2.5L)
  • 225X EFI PROMAX