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Jason, Marine Mechanic
Category: Boat
Satisfied Customers: 15902
Experience:  Degree in Marine Technology. Gas and diesel marine mechanic.
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I have an older mercury 200 9.9/ It has been stored app/ 3

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I have an older mercury 200 9.9/ It has been stored app/ 3 yrs. tried to pull start cord it will pull but very stiff, not frozen. cord will return but grabs not completely without toying. assistance would be appreciated
JA: Have you checked the battery, particularly the terminal connections? Are they corroded?
Customer: no starter pull cord
JA: What is the model/year of your Mercury?
Customer: used app 1970
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: myself fixed income. concern about further damage
JA: Anything else you want the mechanic to know before I connect you?
Customer: put liquid wrench into cylinders

Hello my name I Jason, whom am I speaking with? Will the engine spin over any easier with the plugs out? Did you check to see if there was gear lube in the lower unit?

Customer: replied 4 months ago.
did'nt check gear lube. pulled plugs not much easier

If there is no oil in the lower unit and that is seized up that would make the engine hard to turn over as the lower unit is coupled to the engine via a driveshaft. So you would definitely need to check that. Did you have any further questions for me?

Jason and 2 other Boat Specialists are ready to help you
Customer: replied 3 months ago.
went to fill mercury 200 and the gear oil came out the prop and water pump and seemed to come out almost instantly

There are seals under the water pump assembly. Chances are the oil seals, and most likely the driveshaft as well, are shot.

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