First Time Winterizing a Moomba

[rockymtnsurfer]

Hello all. This is the first time I have winterized a Moomba and the Jabsco Ballasts. I think I am done, but of course I always double think things and occasionally doubt myself. First off.....my boat will be in my shop all winter, and it gets maybe at the lowest point 32 when not heated. I have never in the past had anything in the shop....including water bottle freeze or slush. This is what I have done according to the manuals, and contacting Indmar support.

1. Fuel Stabilizer (marine) in tank and run at operating temp for 15 min
2. All blue engine plugs and drive plug taken off and left off in plastic bag
3. Blown out all points with compressor (per Indmar tech suggestion)
4. Sea Strainer blue cap opened and blown out as well.....no water in clear tube
5. All plugs left open and loose ones stored.
6. Pulled all 8 plugs....fogged for 2-3 seconds and cranked engine 2 times.
7. Put old plugs back in, but not all the way.....I will replace in the spring $$$ for right now, but wanted holes covered
8. Took out impeller and gasket and stored in plastic bag
9. Again, blew out all tubes, blue access points and impeller in hose and out hose.
10. Seems to be no more water in the lines.
11. Check anti-freeze level and tested the cold temp level and ts ok well below 32 degrees

Ballast:

1. Took all plates off pumps and rubber o-rings and stored in plastic bags
2. Took out all impellers and stored in plastic bags
3. Removed all ballast bags and emptied and left to dry (except center bag)
4. Blew out all "in pump lines" and "out pump lines "
5. Blew out all exterior port holes with the exception of the ones with relief valves


Stored everything in plastic bags after they dried.....nothing laying on each other to create flaws in rubber, seals, or gaskets

Left front center cushion off and center access hole off to let the hull vent and hopefully dry out center ballast bag

Thats all that I have done. I believe I am remembering everything:)

Only question is the batteries. I have the maintainer battery hook up and I didn't know if I should plug it in for the whole winter? Plug it in on and off? or disconnect both batteries, pull and charge on and off over the winter?


Any comments, suggestions, recommendations would be greatly appreciated. This is my first time with this boat and a raptor.

Thanks again
D

[MJHSupra]

After the last warmup, some will change the oil before putting it way.

Per #6, Pulled all 8 plugs....fogged for 2-3 seconds and cranked engine 2 times - some will say this is not necessary. I know Indmar does not recommend fogging down the throttle body with oil as it could cause damage to the Cats, but fogging via the spark plugs is OK.

I also keep mine in a shop. I do not keep the power to the charge plugged in all the time. Maybe 1x per month I will plug it in an leave it for a few days. I have not seen any power draws to really lower the volts. I even checked them with a multi-meter before plugging back into the charger.

After pulling plugs and reinstalling, some will put the pink antifreeze thru the exhaust via the strainer. Sounds like your shop will keep the boat fine.

I hope to get out to the The Boat this winter . . . . it's been 2-3 years now.

[sandm]

man, do not miss all the added crap to do in a cold climate. we change the oil and cover it up. nothing else :)

we follow mjh's battery advice. we installed a prosport charger before the boat had its second hour on it and just plug that in off and on thruout the winter. no need to unhook them. if you don't have one, best $125 you can spend on a boat imo.

[larry_arizona]

The raptors are so easy to winterize.

Most dealers up here just pump 5-6 gallons on marine antifreeze through them, takes 5 min.


Full drain ballast, fuel stabilizer, oil change in fall or spring depending on my mood....

I just pull the blue plugs and crossover hose and let it drain, then put them back in, done.

Even if I was in a warm climate, I would still probably pull the blue plugs, just wouldn’t want lake water sitting in the cooling loop for months.


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[MJHSupra]

After pulling plugs and reinstalling, some will put the pink antifreeze thru the exhaust via the strainer. Sounds like your shop will keep the boat fine.


Blue plugs, not spark plugs. Ha Ha. Cannot edit the orig post.

[jason1973]

wow you really went all out. My dealer doesn't even do all this.. just drains the water, ballast bags, stabilizer and oil/impeller change.

for your battery, just make sure your main switch is off and charge your batteries once per month for 24 hours or until fully charged. Batteries don't discharge fast in cold weather like they do in warm weather. A fully charged battery won't freeze. Batteries actually prefer cool over warm.

[schwan]

I will add, I just put the new impeller in so don't forget it, could easily forget in the spring to put it back. Maybe tie the impeller to the steering wheel. If you forget, it's an engine rebuild...

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[rockymtnsurfer]

Well....I think I might have gone overboard, but thank you for all the feedback....surely makes me feel better that my investment will survive....haha

One. of those things that just makes me nervous....its not 150k, but 70k to me is worth a double take in protection!

Thanks again!
D

[MJHSupra]

Well....I think I might have gone overboard, but thank you for all the feedback....surely makes me feel better that my investment will survive....haha

One. of those things that just makes me nervous....its not 150k, but 70k to me is worth a double take in protection!

Thanks again!
D

Can't go overboard. You will be fine. If you sleep better at night by doing more, then all the power to you.

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[rockymtnsurfer]

After the last warmup, some will change the oil before putting it way.

Per #6, Pulled all 8 plugs....fogged for 2-3 seconds and cranked engine 2 times - some will say this is not necessary. I know Indmar does not recommend fogging down the throttle body with oil as it could cause damage to the Cats, but fogging via the spark plugs is OK.

I also keep mine in a shop. I do not keep the power to the charge plugged in all the time. Maybe 1x per month I will plug it in an leave it for a few days. I have not seen any power draws to really lower the volts. I even checked them with a multi-meter before plugging back into the charger.

After pulling plugs and reinstalling, some will put the pink antifreeze thru the exhaust via the strainer. Sounds like your shop will keep the boat fine.

I hope to get out to the The Boat this winter . . . . it's been 2-3 years now.


Hope we get some snow!!! I don't remember what rain looks like and things are burning up. Of course that can all change over night.....but I sure would love to see some moisture. The Boat always welcomes you!

[MJHSupra]

Hope we get some snow!!! I don't remember what rain looks like and things are burning up. Of course that can all change over night.....but I sure would love to see some moisture. The Boat always welcomes you!

To me, it’s like a light switch out there when the snow starts flying.

My friends posted some pics on Facebook tonight of the fire north of the city.

Last few times I was out there it was easy to see all the strips of dead pines. Add some lightning strikes and YIKES.


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[rockymtnsurfer]

29124

Yesterday afternoon

[cucv]

Great check list you put together for winterizing. I used a shop vac this year on ballast lines and cooling lines. I liked the results better than blowing and getting water everywhere.

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[rockymtnsurfer]

Great check list you put together for winterizing. I used a shop vac this year on ballast lines and cooling lines. I liked the results better than blowing and getting water everywhere.

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great idea....probably goes round the complete opening better

[schwan]

I've always been a little hesitant to share my checklist because it highlights my OCD for toy routine maintenance... But this is what I do. https://uploads.tapatalk-cdn.com/20201010/a5bdcdf13701e6a92a12e71c1c17f2f8.jpg

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[schwan]

Well the image didn't work, so here's just the copy/paste:
Winterizing 2016 Mojo
Tools needed: 11/16" and 1 1/16" socket, ½ and ⅜ drive ratchet, ⅝ spark socket, ⅜ drive extension, Impeller puller, short flathead, needle nose, crescent, power drill w/ phillips, oil filter wrench
- 8 qts Motorcraft 5W-30 synthetic blend (872004), 2 qts tranny 872006 or 872020, 1qt v drive 872009 or 872022, oil filter Motorcraft FL-820S (872025), impeller 685007, fuel filter (556003)
- 8 Gal Antifreeze, fogging oil, RV tank cleaner

Add Stabil, fill gas tank

Empty ballast pumps, put antifreeze in

Clean bags with bleach

Connect hose, turn seacock closed, run engine up to temp.

Drain oil out with mitivac

Remove raw water drain plugs

Manifold crossover hose

V-drive Anode/plug

Heat exchanger Anode/plug

Hose by impeller plug

Impeller cover

Turn seacock open

Replace new raw water impeller/gasket 685007

Change oil filter, check for O ring

Fill 8 quarts 5W-30 Indmar PN: 872004

Check/clean flame arrestor

Check anti-freeze level

Remove Trans oil

Fill Trans 2.3 quarts Indmar PN: 872006

Remove V Drive oil

Fill V Drive 1.25 quarts Indmar PN: 872009

Replace all plugs

Set up antifreeze bucket, turn seacock closed

Run antifreeze into engine, 5 gal

Remove lower spark plugs

Fog engine through spark plug opening

Bump but don’t start for a second

Replace all spark plugs

Remove antifreeze bucket, turn seacock open, quick drain and replace plugs

Clean/coat engine if needed

Zinc Anodes, replace when <¾”

Grease starter bendix

Check shaft alignment <0.003” "yearly"

Grease moving parts/cables

Check drive belt

Remove batteries

Clean, RV cleaner in blige



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[z28ke]

That is very thorough, I bet you get top dollar for your toys when you go to sell them!

[rockymtnsurfer]

Well the image didn't work, so here's just the copy/paste:
Winterizing 2016 Mojo
Tools needed: 11/16" and 1 1/16" socket, ½ and ⅜ drive ratchet, ⅝ spark socket, ⅜ drive extension, Impeller puller, short flathead, needle nose, crescent, power drill w/ phillips, oil filter wrench
- 8 qts Motorcraft 5W-30 synthetic blend (872004), 2 qts tranny 872006 or 872020, 1qt v drive 872009 or 872022, oil filter Motorcraft FL-820S (872025), impeller 685007, fuel filter (556003)
- 8 Gal Antifreeze, fogging oil, RV tank cleaner

Add Stabil, fill gas tank

Empty ballast pumps, put antifreeze in

Clean bags with bleach

Connect hose, turn seacock closed, run engine up to temp.

Drain oil out with mitivac

Remove raw water drain plugs

Manifold crossover hose

V-drive Anode/plug

Heat exchanger Anode/plug

Hose by impeller plug

Impeller cover

Turn seacock open

Replace new raw water impeller/gasket 685007

Change oil filter, check for O ring

Fill 8 quarts 5W-30 Indmar PN: 872004

Check/clean flame arrestor

Check anti-freeze level

Remove Trans oil

Fill Trans 2.3 quarts Indmar PN: 872006

Remove V Drive oil

Fill V Drive 1.25 quarts Indmar PN: 872009

Replace all plugs

Set up antifreeze bucket, turn seacock closed

Run antifreeze into engine, 5 gal

Remove lower spark plugs

Fog engine through spark plug opening

Bump but don’t start for a second

Replace all spark plugs

Remove antifreeze bucket, turn seacock open, quick drain and replace plugs

Clean/coat engine if needed

Zinc Anodes, replace when <¾”

Grease starter bendix

Check shaft alignment <0.003” "yearly"

Grease moving parts/cables

Check drive belt

Remove batteries

Clean, RV cleaner in blige



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Great list!.....OCD is kicking in, but I am with you...better safe then sorry and if I sell my boat, people will know its been well taken care of. This in NO WAY harps on people who do less! Everyone gets their own piece of mind in different ways. Thank you for sharing that!
D

[jnr4817]

I have a 2018 mojo. How do I make a fake a lake or can I use one of the hoses that I unscrew to drain the block to add the antifreeze through? And how long can I safely run the boat via a fake a lake?

[BigOrange]

I have no experience with the pain in the butt plunger style that goes under the boat. I installed the Indmar sea strainer flush kit, which provides your water hookup point and use a hose and bucket combo to provide the pink stuff. How do you store? If inside it should be ok just to drain all ports and leave it that way until spring -- I don't think you would pick up any corrosion issues.

[rockymtnsurfer]

I have a 2018 mojo. How do I make a fake a lake or can I use one of the hoses that I unscrew to drain the block to add the antifreeze through? And how long can I safely run the boat via a fake a lake?

https://www.amazon.com/SeaSense-50073761-Seasense-In-Board-Flusher/dp/B002L557KK/ref=sr_1_2?dchild=1&keywords=fake+a+lake&qid=1604351687&sr=8-2

Works great