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Engine Flush
https://www.smwebhead.com/phpBB3/viewtopic.php?f=3&t=603		 Page 1 of 1
Author:  C4 [ Mon Feb 19, 2007 11:07 pm ]
Post subject:  Engine Flush
Hi all,
I have just bought a 2006 Horizon 200 with Merc 4.3L MPI engine.
I did not receive the engine owners manual, and use the boat in a pretty salty environment.
What is the best procedure to use to water flush the engine after use. ( I have Muffs)
Thanks :?
Author:  jvalich [ Tue Feb 20, 2007 7:58 am ]
Post subject: 
Muffs will work fine. You just need to run the engine long enough for the thermostat to open and then 5 minutes longer. A flush kit that will allow you to flush both sides of the engine (block and exhaust) without running the engine will save you time, water and fuel.
Author:  C4 [ Tue Feb 20, 2007 9:00 am ]
Post subject: 
How do i know when the thermostat has opened??
Author:  atcdoug [ Thu Feb 22, 2007 4:41 am ]
Post subject:  Motor Flushing
If you look in your engine compartment you will see a freshwater flush attatchment on the starboard side. It has a blue cap on it with an h2o symbol. You can unscrew that cap and hook a hose to it. I use "salt away" to flush the salt water out of my engine. You do this with the engine running. I had an '06 180 Horizon and it came stock with this attatchment and my '06 210 did too. I'm sure yours does. Both engines were Volvos.
Author:  jvalich [ Thu Feb 22, 2007 5:59 am ]
Post subject: 
You need to flush the motor on muffs until it comes to operating temp and then about 5 minutes longer. It would take me 1 hour to flush my engines as well as a bunch of water and gas. I installed a MST Guardian flush system on each engine. I figured that they would pay for themselves in less than 2 years between water and gas. Not to mention the time to flush went from ~1 hr to 10 minutes.
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