ID your Carbs: Mercury WH WMH WMV Outboard Carburetors

Mike Hill
Jun 16, 2024
2 min read

Updated: Sep 26

This technical reference provides a comprehensive listing of WH, WMH, and WMV carburetors used on Mercury V6 two-stroke outboards and Sport Jet inboard engines, covering 135HP, 150HP, 175HP, 200HP, 225HP, as well as Sport Jet 90, 120, and 175 models. These carburetors were used on engines built from 1976 through 2005, spanning displacements of 2.0L, 2.4L, 2.5L, and 3.0 Liter.

Each carburetor model # (number) was used to distinguish differences in calibration, primarily in main and idle jetting, and in some cases, fuel circuit design, such as air bleeds, emulsion passages, and vent tubes. Proper identification is essential for tuning, repair, and replacement.

Carburetors in this listing were found on platforms like the Black Max, XR4, XR6, Magnum III, and Sport Jet series, all of which used mechanical fuel delivery systems before the transition to EFI and DI technologies.

This chart is intended for marine technicians, outboard and jet drive rebuilders, and Mercury owners performing maintenance, restoration, or diagnostic work on V6 2-stroke powerheads.

Note: Pro Max and Super Magnum models are excluded, as they used alternative intake and fuel systems.

🔧 WH, WMH, and WMV Carburetors – Complete Master Listing

HP	Model Year(s)	Carburetor Identification
135HP	1991–1994	WMH-28, WMH-30
150HP	1978–1990	WH-2, 12, 21, 23, 27, 29, 35, 38, 40, 48
150HP	1980–1982	WH-7A
150HP	1994–1995	WMH-31
150HP	1996–1997	WMV-2
150HP	1998–1999	WMV-18, WMV-21
150XR6	1994–1995	WMH-32
150XR6	1996–1997	WMV-3
175HP	1976–1990	WH-1, 4, 6, 7, 13, 17, 30, 34
175HP	1980–1982	WH-7A
175HP	1991–1994	WMH-1, 2, 3B, 5, 7, 8, 8A, 11A, 12, 12B, 13, 13B, 14A, 15, 16, 18A, 21, 22, 23, 24, 25, 28, 90, 31, 32, 33, 34
175HP	1994–1997	WMH-33
175HP	1996–1997	WMV-4
175HP	1998–1999	WMV-19, WMV-22
200HP	1978–1990	WH-3, 14, 18, 22, 26, 28, 31, 39, 46
200HP	1991–1994	WMH-1, 2, 3B, 5, 7, 8, 8A, 11A, 12, 12B, 13, 13B, 14A, 15, 16, 18A, 21, 22, 23, 24, 25, 28, 90, 31, 32, 33, 34
200HP	1994–1995	WMH-34, WMH-39
200HP	1996–1997	WH-46 & WMV-5 (SST-120)
200HP	1998–1999	WMV-20, WMV-23
225HP	1980–1981	WH-15, 20 (Big Bore)
225 3L	1994	WMH-19A
225 3L	1994½	WMH-46
225 3L	1995	WMH-47
225 3L	1996	WMV-7
225 3L	1997	WMV-13
225 3L	1998–1999	WMV-24, WMV-25
245HP	1996	WMH-X
Sport Jet 90	1993–1995	WMH-29, WMH-43
Sport Jet 120	1994–1995	WMH-44, WMH-45
Sport Jet 175	1996–1999	WMV-6, WMV-8, WMV-9
Sport Jet 175XR2	2000–2005	WMV-10, WMV-11, WMV-12