Mercruiser 350 Mag Horizon engine

A

astro4prez

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May 30, 2006
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Does this so-called "closed cooling" system still require a standard flush using the earmuffs on the outdrive (Bravo 3)?
 
Bondo

Bondo

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Re: Mercruiser 350 Mag Horizon engine

Ayuh,...... It Sure Does.....
 
Don S

Don S

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Re: Mercruiser 350 Mag Horizon engine

Yes, it will flush out the manifolds, risers, and heat exchanger and everything else on the raw water side of the system.
 
A

astro4prez

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Joined
May 30, 2006
Messages
10
Re: Mercruiser 350 Mag Horizon engine

Update! This system draws water from the underside of the boat and through a sea strainer. The intake ports on the outdrive need to be blocked and a hose inserted into the strainer will provide the water to flush. NO MORE EARMUFFS!
 
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