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Ask Dominick Your Own Question
Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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I have an older 9.9hp Mercury and want to chande the oil in

Customer Question

I have an older 9.9hp Mercury and want to chande the oil in the lower part and wnat to make sure I find the lower of the two ports. I see the upper fill port and am not sure where the bottom drain port is. Can you help?
JA: Sometimes things that you think will be really complicated end up being easy to fix. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. Is there anything else the Marine Mechanic should be aware of?
Customer: No.
Submitted: 1 month ago.
Category: Boat
Expert:  Tan replied 1 month ago.

Hello. My name is Tan.

Could I get the engine serial number please?

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