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Impeller questions from non engine guy


MystiikVLX

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My understanding is the impeller pumps the lake water into the engine to cool the engine parts. Is that correct?

I read people stating the impeller doesn't push water thru until you put the boat in gear. Is that correct?

If true, then is it bad to start the boat and let it idle?

thank you for any info and advice and yes, I will be that guy to ask the dumb questions. But hey, at least I will learn something today.

thank you in advance.

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22 minutes ago, MystiikVLX said:

My understanding is the impeller pumps the lake water into the engine to cool the engine parts. Is that correct?   YES

I read people stating the impeller doesn't push water thru until you put the boat in gear. Is that correct?                   No

If true, then is it bad to start the boat and let it idle?       Not true, ok to let idle (assuming boat in the lake)

thank you for any info and advice and yes, I will be that guy to ask the dumb questions. But hey, at least I will learn something today.

thank you in advance.               There are no dumb questions left, they have already been asked by others including myself.

 

Edited by Bozboat
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20 minutes ago, MystiikVLX said:

is it bad to start the boat and let it idle?

 

Yes...starting your boat out of the water leaves the impeller to spin "dry" and will cause failure pretty quickly.

You can get a "fake-a-lake" to push water into the intake if you need to start it out of water. https://www.amazon.com/Inboard-Engine-Flusher-Mastercraft-Nautique/dp/B00H93R2IO

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