64278SCREW (.250-28 x 1.00)

Mercury outboard spare part 64278 (SCREW (.250-28 x 1.00)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits V-150, V-175, V-200, XR-4 / MAGNUM II, V-220 Laser. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 64278 (SCREW (.250-28 x 1.00)), documented in 11 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARBv-1500C100861 THRU 0C239552128View
Mercury 2-STROKE-CARBv-1500C239553 THRU 0D081999128View
Mercury 2-STROKE-CARBv-1500D082000 THRU 0G303045128View
Mercury 2-STROKE-CARBv-1500G303046 THRU 0G760299128View
Mercury 2-STROKE-CARBv-1500G760300 THRU 0G960499128View
Mercury 2-STROKE-CARBv-1500G960500 THRU 1B226999128View
Mercury 2-STROKE-CARBv-1504868998 THRU 0A904645128View
Mercury 2-STROKE-CARBxr-4-magnum-ii0B242885 THRU 0C100860128View
Mercury 2-STROKE-CARBxr-4-magnum-ii0C100861 THRU 0C239552128View
Mercury 2-STROKE-CARBxr-4-magnum-ii0C239553 THRU 0D081999128View
Mercury 2-STROKE-EFIv-220-laser1B516994 THRU 2B091896128View

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Appears in diagrams of these models

  • V-150
  • V-175
  • V-200
  • XR-4 / MAGNUM II
  • V-220 Laser