8136921LOCKNUT

Fits models / variants:

V-200 V-150 XR-6 / MAGNUM III 105 JET V-175 XR-4 / MAGNUM II V-140 (INTERNATIONAL)V-175 (SKI)V-200 (2.5L) 1991 ONLY 200 (3.0L)

Mercury outboard spare part 8136921 (LOCKNUT). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits V-200, V-150, XR-6 / MAGNUM III, 105 JET, V-175, XR-4 / MAGNUM II, V-140 (INTERNATIONAL), V-175 (SKI), V-200 (2.5L) 1991 ONLY, 200 (3.0L). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8136921 (LOCKNUT), documented in 13 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-EFI series.

Series	Model	Serial range	REF	Qty	Diagram
Mercury 2-STROKE-CARB	105-jet	0G303046 THRU 0G760299	27	2	View
Mercury 2-STROKE-CARB	v-140-international	0T178500 THRU 1B226999	27	2	View
Mercury 2-STROKE-CARB	v-175	0C100861 THRU 0C239552	6	2	View
Mercury 2-STROKE-CARB	v-175-ski	0D082000 THRU 0G303045	27	2	View
Mercury 2-STROKE-CARB	v-200	0C100861 THRU 0C291519	27, 6	2	View
Mercury 2-STROKE-CARB	v-200	0D082000 THRU 0G303045	27	2	View
Mercury 2-STROKE-CARB	v-200	0G303046 THRU 0G760299	27	2	View
Mercury 2-STROKE-CARB	v-200	0G760300 THRU 0G960499	27	2	View
Mercury 2-STROKE-CARB	v-200	0G960500 THRU 1B226999	27	2	View
Mercury 2-STROKE-CARB	v-200	5239232 THRU 0C100860	27	2	View
Mercury 2-STROKE-CARB	v-200-2-5l-1991-only	0C291520 THRU 0D081999	6	2	View
Mercury 2-STROKE-CARB	xr-6-magnum-iii	0D082000 THRU 0G303045	27	2	View
Mercury 2-STROKE-EFI	200-3-0l	0T750164 THRU 0T800999	27	2	View

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Appears in diagrams of these models

V-200
V-150
XR-6 / MAGNUM III
105 JET
V-175
XR-4 / MAGNUM II
V-140 (INTERNATIONAL)
V-175 (SKI)
V-200 (2.5L) 1991 ONLY
200 (3.0L)