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Old 05-10-2011, 12:28 PM   #16
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Re: How often do you need to flush your engine?

My Yamaha dealer recommended that I flush the engines after every day of running, even if planning to use the boat the next day, even if I'm leaving the boat in the water! He handed me crap for the internal anodes in my F250s being cruddy at the 300 hr service.

I now dutifully follow his direction. I am not happy about it, but I don't want to give him an excuse to fix something.

Interestingly enough, I could not help but to notice that now some of the "high end" outboard boat builders are installing motor flush manifolds that are hard plumbed directly into the boat's fresh water system. I guess if they are going to the trouble of installing these systems, there may be something to this daily flushing business after all!
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Old 05-14-2011, 09:51 AM   #17
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Re: How often do you need to flush your engine?

With the price of outboards these days, it'd be insane not to flush every time; why take a chance? But here's the Million Dollar Question: I've had a marine mechanic tell me that Salt Away is really basically just vinegar, the blue is to disguise it and/or mask the smell...? Vinegar is the opposite PH from salt, and it's that simple premise that makes it work. I've never heard it 'verified', but it's an interesting question? Have any of you ever heard anything similar....?
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Old 05-14-2011, 11:01 AM   #18
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Re: How often do you need to flush your engine?

I bet if you mixed some white vinegar with some cheap dish detergent, you'd be pretty close to Salt Away.

I flush after every trip -- as you say, it's not worth risking an engine for 10 minutes of preventative maintenance or even $1 worth of overpriced soap/vinegar.
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Old 05-14-2011, 04:09 PM   #19
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Re: How often do you need to flush your engine?

Originally Posted by Holy Mackerel View Post
Every time. I usually wash down the boat/trailer first, then crack a beer, while I flush my outboard. When I finish the beer, I figure it has been long enough.
Perfect amount of time!

A new outboard runs $15-$20k-ish? what would it hurt to do it everytime??? Sounds like everyone is in agreement to me. lol. Flush it one way or another.
"spearguns don't kill fish, I do"

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