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  1. #1

    coolant Question (sport Boats)

    How often do you guys change out the coolant ?
    Mines the Non intercooled 185 Hp
    I read the way to do it seems like alot of dicking around being as antifrezze in cars lasts 3 to 5 years now why you gota do it so often in the Rotax ?
    Yes i know cars engines dont run 8000 Rpm but can the change be done every couple years as long as you get a -30 reading.
    Im gona put a 100 wt light bulb in my engine compartment in the few cold months we get up here anyway.


  2. #2
    Fastest in my cove sfackett0's Avatar
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    Because we still use the old green antifreeze, which even in a car you suppose to change every 2 years, but no one ever does. I didnt change mine for the first 3 years, then ended up changing it 3 times in a 2 year span.

  3. #3
    Quote Originally Posted by sfackett0 View Post
    Because we still use the old green antifreeze, which even in a car you suppose to change every 2 years, but no one ever does. I didnt change mine for the first 3 years, then ended up changing it 3 times in a 2 year span.
    Ok So if i buy a good 5 year anti freeze thats AOK with Alum engines i should be good for a couple 3 years as long as i never over heat ?

  4. #4
    Fastest in my cove sfackett0's Avatar
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    I wouldnt, just stick with the old green stuff and just change every couple years

  5. #5
    Quote Originally Posted by sfackett0 View Post
    I wouldnt, just stick with the old green stuff and just change every couple years
    ok thanks for the replys.

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