Association Forum - how to winter store 9.9HPmerc longshaft motor?

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how to winter store 9.9HPmerc longshaft motor?

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theshepirate
Deckhand

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USA
19 Posts

Initially Posted - 10/06/2013 : 17:17:50

Hello Everyone,
I have been a sailboat owner for three years now. i love my Catalina 25.
I have always let the marina where I store my boat in winter take care of the motor and batteries. Last year, i had a new impellar put in the motor. The motor is about 5 years old, not many hours on it,it is very dependable and has never failed us. It has been bought, serviced serviced and stored by the marina we are in.
However, last year, I was laid off and am trying to cut expenses.
I would like to store my motor, and batteries at home myself.
Can you help me by telling what I need to do to them, to properly store them? Again, I have a 9.9hp Merc long shaft and two27 amp marine batteries.

TheShePirate

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 10/06/2013 : 18:28:25

Run all of the fuel out of the motor. Discard the left over fuel in the tank and fuel line. Remove the spark plugs, fog the cylinders, crank or pull the starter cord and fog again, put the plugs back in. Change the crankcase and lower unit oil. Clean and gap or replace the plugs in the spring. Store the motor upright if possible, with the correct side up if not. Be sure the batteries are fully charged and store in a reasonably warm garage or basement on a board to get them off the cold concrete. Some people but a trickle charger on their stored batteries, but it isn't really necessary over 2-3 months. A better option would be to charge once a month for longer storage.

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theshepirate
Deckhand

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USA
19 Posts

Response Posted - 10/06/2013 : 18:43:01

Thanks so much, seems easy enough. I will look up directions on how to change oil in lower unit.

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Voyager
Master Marine Consultant

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USA
5368 Posts

Response Posted - 10/06/2013 : 19:13:45

Just to add my 2c, I like to run out the gas and shoot a little carb cleaner into the intake port while pulling the pull cord. You can change the oil filter and in-line gas filter while you're at it, lube the choke and the linkages. Check the carburetor bowl for gunk and clean it out. Spray some silicone spray onto the pull starter cord to keep it easy to work.

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theshepirate
Deckhand

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USA
19 Posts

Response Posted - 10/08/2013 : 15:11:11

Thanks very much! Just one more question. Do I run the gas out when the boat is at the dock waiting to be hauled out, or is there a hookup on the motor for water when it is on the hard?

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 10/08/2013 : 18:50:59

"Ear muffs". They clamp over the water intake and attach a garden hose. Buy them at just about any marine or outdoor store, even many Walmarts. It is easy to just run it out while in the water, but a clean water flush is good for the motor.

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CarbonSink62
Navigator

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USA
208 Posts

Response Posted - 10/10/2013 : 03:30:07

I might leave my engine on the transom this winter. I see that the 'big' engines don't go into a building for the winter, why should mine?

I'll just winterize it in place (I ran it dry last night) maybe wrap it with a tarp to minimize fading.

Any problems with that?

It was bad enough to get the Evinrude 2 stroke home and back; this Honda is really heavy.

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 10/10/2013 : 04:03:21

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by CarbonSink62
 I might leave my engine on the transom this winter. I see that the 'big' engines don't go into a building for the winter, why should mine?
<hr height="1" noshade id="quote"></blockquote id="quote">

When I changed winter boatyards last year, I was unable to back my truck under the outboard to remove it and I wasn't about to wrestle it from atop an 8 foot ladder so I thought about rigging up a crane/block and tackle setup, but after considering all the effort and hassle required to get it down, transport it home, only to do it all again in the spring...no brainer, 15 minutes to wrap it in a tarp and called it a day.

Edited by - dlucier on 10/10/2013 04:04:06

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The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.