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Tan, MerCruiser Certified Technician
Category: Boat
Satisfied Customers: 11052
Experience:  40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.
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i have a old 115 mercury outboard i need to replace the water

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i have a old 115 mercury outboard i need to replace the water pump i have the motor off the lower haft how do i get the pump out? thanks

Hi my name isXXXXX will assist you.


Here is the lower unit that the water pump is on # XXXXX thru 36 is the pump parts.Diagram of 115 (6 CYL.) Mercury Outboard(NNN) NNN-NNNNTHRU(NNN) NNN-NNNNGEAR HOUSING ASSEMBLY, COMPLETE (PAGE 1) Diagram and Parts

Customer: replied 5 years ago.
that is a good pic of everything but i still am haveing a hard time seeing how to get it out thanks
The water pump is bolted to the lower unit with 4 nuts and a screw. Remove these fasteners and the pump housing will lift off exposing the pump impeller.
Customer: replied 5 years ago.
im very sorry for not understanding everything do u have a lower housing broke down becouse all i have done is take the motor off i still have all off the lower hafe in one peace thanks again u r being very helpfull
Here is a diagram of the fasteners that have to be removed to get the lower unit off. The areas in red are the fasteners and the area in blue are the pump parts.graphic
Customer: replied 5 years ago.
i would like to thank you so very much. people like u and this web site are very helpfull to people like me that know very little about this kind of thing. thank u so much i see everything now. have a great day
Your welcome...........Thank you..............Tan
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