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and a weak or nonexistent water stream from the tell-tale port on the engine cowling
Since Mercury stopped using model years for identification
Install new gaskets onto the intake manifold mounting surfaces
Notes Yamaha 40EJRV 40 2-Stroke 1997 63D-W0078-01-00 Yamaha 40EJRW 40 2-Stroke 1998 63D-W0078-01-00 Yamaha 40EJRX 40 2-Stroke 1999 63D-W0078-01-00 Yamaha 40ELRV 40 2-Stroke 1997 63D-W0078-01-00 Yamaha 40ELRW 40 2-Stroke 1998 63D-W0078-01-00 Yamaha 40ESRV 40 2-Stroke 1997 63D-W0078-01-00 Yamaha 40ESRW 40 2-Stroke 1998 63D-W0078-01-00 Yamaha 40ESRX 40 2-Stroke 1999 63D-W0078-01-00 Yamaha 40MJHV/W/X/Y/Z 40 2-Stroke 1997–2001 63D-W0078-01-00 Yamaha 40MLHV/W/X/Y/Z 40 2-Stroke 1997–2001 63D-W0078-01-00 Yamaha 40MSHV/W/X 40 2-Stroke 1997–1999 63D-W0078-01-00 Yamaha 40TLHV 40 2-Stroke 1997 63D-W0078-01-00 Yamaha 40TLR 40 2-Stroke 2004–2005 63D-W0078-01-00 Yamaha 40TLRA/B/C/D 40 2-Stroke 2002–2005 63D-W0078-01-00 Yamaha 40TLRNC 40 2-Stroke 2004 63D-W0078-01-00 Yamaha 40TLRV/W/X/Y/Z 40 2-Stroke 1997–2001 63D-W0078-01-00 Yamaha 50EJRV/W/X/Y/Z 50 2-Stroke 1997–2001 63D-W0078-01-00 Yamaha 50ELRV/W 50 2-Stroke 1997–1998 63D-W0078-01-00 Yamaha 50TLHV 50 2-Stroke 1997 63D-W0078-01-00 Yamaha 50TLR 50 2-Stroke 2004–2009 63D-W0078-01-00 Yamaha 50TLRA/B/C/D 50 2-Stroke 2002–2005 63D-W0078-01-00 Yamaha 50TLRNC 50 2-Stroke 2004 63D-W0078-01-00 Yamaha 50TLRV/Z 50 2-Stroke 1997
Water Pump Impeller Kit - Fits Mercury/Mariner 30-70 HP Outboards (Replaces 77177A3, 46-77177A3) family-yamaha-9-9mlhv and a weak or nonexistentWater Pump Impeller Kit Fits Mercury Mariner 30 70 HP Outboards This water pump impeller rebuild kit is designed for Mercury and Mariner 30 HP to 70 HP 2 stroke outboard engines manufactured between 1977 and 1997. It provides all the necessary components to restore your engine's cooling system performance. This kit is a direct replacement for multiple OEM and aftermarket part numbers, ensuring a precise fit and reliable function. Installation: Direct
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