Mercury outboard spare part 8M0146667 (GEAR SET Counter Rotation, Forward/Pinion 1.85 Ratio (13/24)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 175 HP 3.4L V6, 200 HP 3.4L V6 SeaPro, 200 HP 3.4L V6, 225 HP 3.4L V6, 250 HP 4.6L V8 Verado, 300 HP 4.6L V8 AMS SeaPro, 300 HP 4.6L V8 Verado, 300R HP 4.6L V8 AMS Racing. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0146667 (GEAR SET Counter Rotation, Forward/Pinion 1.85 Ratio (13/24)), documented in 8 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI175-hp-3-4l-v62B529482 UP-, 201View
Mercury 4-STROKE-EFI200-hp-3-4l-v62B529482 UP-, 201View
Mercury 4-STROKE-EFI200-hp-3-4l-v6-seapro2B529482 UP-, 201View
Mercury 4-STROKE-EFI225-hp-3-4l-v62B529482 UP-, 201View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-verado2B529482 UP-, 201View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-ams-seapro2B529482 UP-, 201View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-verado2B529482 UP-, 201View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-ams-racing1E081459 UP-, 201View

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Appears in diagrams of these models

  • 175 HP 3.4L V6
  • 200 HP 3.4L V6 SeaPro
  • 200 HP 3.4L V6
  • 225 HP 3.4L V6
  • 250 HP 4.6L V8 Verado
  • 300 HP 4.6L V8 AMS SeaPro
  • 300 HP 4.6L V8 Verado
  • 300R HP 4.6L V8 AMS Racing