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sportcraft55

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Reply with quote  #1 
hey guys, just finished the boat rebuild, went to prep engines for first time since last fall. (engines ran perfect when put to sleep, winterized using I-command)   starboard was great, port was not - one spark plug terminal was rusted to hell, so i got a snake cam and checked in the cylinders (pics attached) . the 4 lower plugs had a water droplet sitting between the electrode and the ground.

what to do next?!  could this simply be from the winterizing program failing?  (I live in canada, not sure if temps create condensation in cylinders)

- I have not tried to turn it over yet, is this a complete tear down?  or oil them and clean somehow?
from what I could tell from snakecam, there isnt a puddle of water in there, just a drop and rust
67792337_2148328405465942_4124583387862138880_n.jpg  67579318_641010036393493_7612753708807356416_n.jpg  67507001_2184988864945695_2060754931010240512_n.jpg  67973700_888913471508297_9057844121820987392_n.jpg  67542707_478881809341442_1439346323751960576_n.jpg 

olypopper

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Reply with quote  #2 
Install new plugs and fire it up.  I'd recommend performing another winterization function.  Do you have high humidity in your area?  I winterize/summerize alot of engines and haven't run into that much condensation as it is very dry here in the interior of Alaska.  
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steelhead

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Reply with quote  #3 
Only light surface rust spots interior. What Oly said.

Also check the reeds for rust, steel and they like to rust, prevents sealing.  Spray with fogging oil or even better, outboard TC-W3 lube in spray bottle through throttle body.

Salt water motor, most likely, or one of the eastern high acid lakes.

Remove cowling several times a year and lightly mist spray the motor with SaltAway type product, can rinse off with fresh water mist or leave SA on.  Flush motor with same product.  Winter storage, spray and leave on  SaltAway

from their site

Special high-performing corrosion inhibitors in the product help protect metals from corroding if not rinsed off. Salt-Away will not strip wax or cause streaks or spots.

Motor winter stored inside or outside, type of motor and boat cover?

Motor getting hit with salt water spray while running?
Gotsea

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Reply with quote  #4 
Its come to mind make sure the intake butterfly are close before punting her away  
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1994 24 WA Baha
2008 300 HP DPXSC S/N 05228253
15 1/4 X 19 Mirage Plus 47 MPH top end @ 5,750 RPM
32 MPH cruising @ 12.5 g/h
 South Florida
sportcraft55

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Posts: 9
Reply with quote  #5 
Thanks guys, Im wondering if another winterization would help, if it didn't work to begin with.
At this point I'm trying to figure out what steps are needed before attempt to start. I have not tried to turn it over yet. issues were found during spark plug change.

boat is in southern ontario, very humid, stored outside under tarp for winter. motors have never seen saltwater. model # E150DCXINE
Gotsea

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Reply with quote  #6 
Sports, I am with Oly, new plugs and fire it up, if some serious damage is done you are not going to solve it with the engine all together, there is not much you can do at his point if you are not going to tear the engine apparat, if it was me "fire it up" go and have some boating fun 

Cheers 

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1994 24 WA Baha
2008 300 HP DPXSC S/N 05228253
15 1/4 X 19 Mirage Plus 47 MPH top end @ 5,750 RPM
32 MPH cruising @ 12.5 g/h
 South Florida
sportcraft55

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Posts: 9
Reply with quote  #7 
cheers guys, decided whether to pull cylinder heads...

leaning towards WD40, and re-winterize to lube, if that system is even functioning
Gotsea

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Reply with quote  #8 
this engines are very resilient, that's what I will do

Cheers

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1994 24 WA Baha
2008 300 HP DPXSC S/N 05228253
15 1/4 X 19 Mirage Plus 47 MPH top end @ 5,750 RPM
32 MPH cruising @ 12.5 g/h
 South Florida
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