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  1. #1
    Join Date
    May 2013
    Location
    Fairfax, va
    Posts
    35

    Default Motor saved by observant boarder

    I was in the back of the boat assisting with boards, ropes etc. My son jumped in and my wife turned on the engine. My son yelled to me that there was a lot of "smoke" coming out of the exhaust.
    I looked down and saw steam coming out of the exhaust. Not a lot but enough to throw me into panic mode. I looked at the temp gauge from the back of the boat and saw it was just above the 180 mark for the first time!

    After shutting down the engine I jumped in, went under the boat and half of the intake was blocked by what looked like algae. I checked the filter next to the v-drive and it was almost fully packed with algae.

    We had never been out in the stuff before and now we know to avoid it. There wasn't much but that is all it took. Took it out the next day and everything was fine. Need to run a compression check but it seems fine otherwise. No steam, no water in the oil, no oil in exhaust, runs well. I let the motor cool by opening the hatch for 30 minutes rather than shock it with cold water

    So an observant observer may have (and most likely did) save not only the day but the motor as well.

    Is there any audible alarm for these gauges or senders? As much as I hate to admit, I am not watching the gauges full time but that is one I look at a lot. It can creep up quickly.
    2007 XLV Gravity Games edition
    Ballast upgrade cut short due to old man winter.
    Pretty much stock boat: OJ 1435 prop, 325 EFI Indmar Assult, new racks added for surfing and kneeboarding.

  2. #2
    Join Date
    Jun 2013
    Location
    Lake Orion, MI
    Posts
    424

    Default

    I'm sure you could add an audible, but as far as I know both of my SC boats have never had one. I did the same thing once when my impeller ripped and my boat started overheating, didn't notice it at first and could've been very bad. Now I make it a habit to run my eyes past the gauges every few minutes since that happened about 6 years ago.
    2006 Mobius LSV
    Previous ride - 2000 Supra Launch

  3. #3
    Join Date
    Apr 2010
    Location
    saskatchewan, canada
    Posts
    307

    Default

    180 wont have hurt your boat, I am not a mechanic but I have spoken with a journeyman about temp in a boat. My truck runs at 100 degrees Celsius which converts to 212 degrees fahrenheit.I wouldnt bother with the compression check. Unless you had it pegged at 240 in which case I would do it but I thought the same thing a few years ago and this is what i was told so save you money and dont worry about it.
    2005 Mobius LSV

    Gravity IV (750s rear, 400 mid and 650 bow)
    wakeplate, perfect pass,

    Not sure what stereo I have, but I have 3 amps 2 subs 6 x 6.5 mids and tweets and 4 tower speakers ( 2 x 8 inch and 2 x 6.5 and tweets)

    Fuel Injected
    1433 acme prop

  4. #4
    Join Date
    May 2009
    Location
    Carlton Oregon
    Posts
    5,967

    Default

    Quote Originally Posted by saskie99 View Post
    180 wont have hurt your boat, I am not a mechanic but I have spoken with a journeyman about temp in a boat. My truck runs at 100 degrees Celsius which converts to 212 degrees fahrenheit.I wouldnt bother with the compression check. Unless you had it pegged at 240 in which case I would do it but I thought the same thing a few years ago and this is what i was told so save you money and dont worry about it.
    I agree unless the boat goes over 240 even you dont have to worry about damaging anything. Since the boats are fresh water the water will boil at 212 and the temp will spike up fast.

    As for the Engine it can take some heat.

    exp in my LT1 Vette it routinely runs at 200 and in traffic hits 230 and over heat is at 250. i hate seeing it run that hot but its normal, my cooling fans don't even turn on till 220. Yes its a closed pressurized system but that just keeps the antifreeze from boiling, it still shows these engines can take a lot of heat and be ok.
    Malo <--- Means--Evil or Mean One. This explains a lot.
    2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
    Exile ZLD
    6 SX65M Cabins
    6 XM9 Towers
    1 XI Big 15 Woofer in a custom Fiberglass box
    1 XI 1K Harpoon
    2 XI 800.4
    1 XI 2500.1
    2 Interstate 2400U 6V Golf Cart Batterties
    Custom 1 Off Evolution Cover

  5. #5
    Join Date
    May 2013
    Location
    Fairfax, va
    Posts
    35

    Default

    It never got close to 240, lucky on that one.
    I can't count on others looking at the gauges as much as the rest of on the forum would. I also have a 15 year old (the one who spotted it) who would probably do ok at watching but who knows about everyone else.
    That is why I was asking about an audible.
    2007 XLV Gravity Games edition
    Ballast upgrade cut short due to old man winter.
    Pretty much stock boat: OJ 1435 prop, 325 EFI Indmar Assult, new racks added for surfing and kneeboarding.

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