Dimo Marine

78492A1THUMB SCREW ASSEMBLY

Fits models / variants:

Mercury outboard spare part 78492A1 (THUMB SCREW ASSEMBLY). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 45, 450 4 CYL, 50, 500 4 CYL, 50 3 CYL. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 78492A1 (THUMB SCREW ASSEMBLY), documented in 45 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB35-2-cyl0B110789 THRU 0B45838322View
Mercury 2-STROKE-CARB35-2-cyl209608 THRU 0B1107882, 212View
Mercury 2-STROKE-CARB35-2-cyl6445653 THRU 0B1107882, 212View
Mercury 2-STROKE-CARB35-2-cyl9384476 THRU 0B1107882, 212View
Mercury 2-STROKE-CARB35-2-cyl9466647 THRU 0C21473522View
Mercury 2-STROKE-CARB40-400-402-2-cyl5556230 THRU 0B23923122View
Mercury 2-STROKE-CARB40-400-402-2-cyl7144763 THRU 0B23923122View
Mercury 2-STROKE-CARB40-400-402-2-cyl8064750 THRU 0B23923122View
Mercury 2-STROKE-CARB40-400-402-2-cyl9251456 THRU 0B23923122View
Mercury 2-STROKE-CARB45-450-4-cyl0A719281 THRU 0A74594422View
Mercury 2-STROKE-CARB45-450-4-cyl0B110789 THRU 0B37027122View
Mercury 2-STROKE-CARB45-450-4-cyl5531630 THRU 0B11078822View
Mercury 2-STROKE-CARB45-450-4-cyl7143688 THRU 0A71928022View
Mercury 2-STROKE-CARB45-450-4-cyl8063985 THRU 0B11078822View
Mercury 2-STROKE-CARB45-450-4-cyl9248006 THRU 946669122View
Mercury 2-STROKE-CARB45-450-4-cyl9466692 THRU 0952253522View
Mercury 2-STROKE-CARB50-3-cyl0A721308 THRU 0B24046622View
Mercury 2-STROKE-CARB50-3-cyl0B122930 THRU 0D00074922View
Mercury 2-STROKE-CARB50-3-cyl0D000750 THRU 0G29058422View
Mercury 2-STROKE-CARB50-3-cyl0G290585 THRU 0G58999922View
Mercury 2-STROKE-CARB50-3-cyl0G590000 THRU 0G76029922View
Mercury 2-STROKE-CARB50-3-cyl0G760300 THRU 0T97999922View
Mercury 2-STROKE-CARB50-3-cyl0P017000 THRU 0P32549922View
Mercury 2-STROKE-CARB50-3-cyl0P325500 UP22View
Mercury 2-STROKE-CARB50-3-cyl1B000001 UP22View
Mercury 2-STROKE-CARB50-3-cyl6428681 THRU 0B12292922View
Mercury 2-STROKE-CARB50-3-cyl7208333 THRU 0A72130722View
Mercury 2-STROKE-CARB50-3-cyl9385911 THRU 946919922View
Mercury 2-STROKE-CARB50-3-cyl9469200 THRU 968305422View
Mercury 2-STROKE-CARB50-3-cyl9683055 THRU 988534422View
Mercury 2-STROKE-CARB50-3-cyl9885345 THRU 997309922View
Mercury 2-STROKE-CARB50-3-cyl9973100 THRU 0P01699922View
Mercury 2-STROKE-CARB50-500-4-cyl5531630 THRU 0B11078822View
Mercury 2-STROKE-CARB50-500-4-cyl7143688 THRU 0A71928022View
Mercury 2-STROKE-CARB50-500-4-cyl8063985 THRU 0B11078822View
Mercury 2-STROKE-CARB50-500-4-cyl9248006 THRU 946669122View
Mercury 2-STROKE-CARB60-3-cyl0A721308 THRU 0B24046622View
Mercury 2-STROKE-CARB70-700-3-cyl5579017 THRU 642868022View
Mercury 2-STROKE-CARB70-700-3-cyl7145938 THRU 720833222View
Mercury 2-STROKE-CARB70-700-3-cyl8065065 THRU 808506122View
Mercury 2-STROKE-CARB70-700-3-cyl9255131 THRU 938591022View
Mercury 2-STROKE-CARB80-800-4-cyl5582562 THRU 643290022View
Mercury 2-STROKE-CARB80-800-4-cyl7146213 THRU 720857222View
Mercury 2-STROKE-CARB80-800-4-cyl8067015 THRU 812701422View
Mercury 2-STROKE-CARB80-800-4-cyl9256131 THRU 939385522View

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Appears in diagrams of these models

  • 45, 450 4 CYL
  • 50, 500 4 CYL
  • 50 3 CYL