Mercury outboard spare part 8M0158926 (GEAR SET Standard Rotation, Foward/Reverse/Pinion 1.60 Ratio (15/24)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 400R HP 5.7L V10 Racing, 450R HP 4.6L V8 Racing, 250R HP 4.6L V8 Racing, 300 ROS HP 4.6L V8 15 Inch Midsection Racing, 300R HP 4.6L V8 15 Inch Midsection Racing, 300R HP 4.6L V8 AMS Racing, 300R HP 4.6L V8 Racing. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0158926 (GEAR SET Standard Rotation, Foward/Reverse/Pinion 1.60 Ratio (15/24)), documented in 7 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI250r-hp-4-6l-v8-racing1E080500 UP-, 32, 51View
Mercury 4-STROKE-EFI300-ros-hp-4-6l-v8-15-inch-midsection-racing1E054618 UP-, 29, 51View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-15-inch-midsection-racing1E054618 UP-, 29, 51View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-ams-racing1E081459 UP-, 32, 51View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-racing1E080500 UP-, 32, 51View
Mercury 4-STROKE-EFI400r-hp-5-7l-v10-racing3B272954 UP-, 17, 20, 5, 8, 91View
Mercury 4-STROKE-EFI450r-hp-4-6l-v8-racing1E083006 THRU 1E099720-, 21, 32, 51View

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Appears in diagrams of these models

  • 400R HP 5.7L V10 Racing
  • 450R HP 4.6L V8 Racing
  • 250R HP 4.6L V8 Racing
  • 300 ROS HP 4.6L V8 15 Inch Midsection Racing
  • 300R HP 4.6L V8 15 Inch Midsection Racing
  • 300R HP 4.6L V8 AMS Racing
  • 300R HP 4.6L V8 Racing