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Old 17 October 2011, 07:20   #1
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Engine Flush

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Hi all I have a 10hp Mercury Seapro and i am fed up with keep having to balance a big tub with water to flush it after use,i have now brought some muffs,now the problem is it does not have anywhere to put them on this paticular engine,but i have been told you can buy a special one? or make one up,so my question is any idea how i can make it? obviously i will have to cut one off,not the one the hose goes on and some how with a block of wood attacthed?,just can t picture it,doh,anyidea's?,pictures anyone?
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Old 17 October 2011, 07:39   #2
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Where is the water intake on that? directly under the anti-ventilation plate? I guess you could either make something that clamped onto the plate or wedged between the prop and the plate.

Personally I'd look for a better "big tub".
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Old 17 October 2011, 08:59   #3
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Originally Posted by Polwart View Post
Where is the water intake on that? directly under the anti-ventilation plate? I guess you could either make something that clamped onto the plate or wedged between the prop and the plate.

Personally I'd look for a better "big tub".
yes

directly under the anti-ventilation plate, and it is a right pain in the rear filling it up with water,big bucket and dam fiddly to get the leg in the bucket when boat is on the trailer as well, water spills out ,just wanna do what everyone else does,tow it over ,wash the boat down flush the outboard,then back in the yard ,jobs a good en,lol
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Old 17 October 2011, 10:46   #4
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The joys of having a mercury!
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Old 17 October 2011, 11:51   #5
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The joys of having a mercury!
yes the lower 2 strokes don t cater for fitted muffs,dam things
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Old 17 October 2011, 13:42   #6
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yes the lower 2 strokes don t cater for fitted muffs,dam things
Mercury makes a threaded adapter which fits directly onto the end of a hose and then into a port on the lower unit. I can't find a link online but dealers should have access to them.
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Old 17 October 2011, 13:53   #7
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Mercury makes a threaded adapter which fits directly onto the end of a hose and then into a port on the lower unit. I can't find a link online but dealers should have access to them.
Arh thats intresting,can t find anything on line tho?
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Old 17 October 2011, 14:15   #8
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Arh thats intresting,can t find anything on line tho?
I know I looked too. I had an older mariner made by mercury which used the same attachment. It screws into a port on the lower unit. Do you have a manual you could check in? Or possibly call a dealer?
The adapter is roughly the size of your thumb and aluminum. Threaded on one end with a 3/4" hose barb on the other. You could make one if you could figure out the threads (probably imperial). My old 15hp Mariner had a plug in the lower unit right above the cantivation plate. Take out the plug and screw in the adapter. I can't recall if you were supposed to run the engine with it installed or not.
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Old 17 October 2011, 14:20   #9
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45 gallon drum !!
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Old 17 October 2011, 14:36   #10
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I know I looked too. I had an older mariner made by mercury which used the same attachment. It screws into a port on the lower unit. Do you have a manual you could check in? Or possibly call a dealer?
The adapter is roughly the size of your thumb and aluminum. Threaded on one end with a 3/4" hose barb on the other. You could make one if you could figure out the threads (probably imperial). My old 15hp Mariner had a plug in the lower unit right above the cantivation plate. Take out the plug and screw in the adapter. I can't recall if you were supposed to run the engine with it installed or not.
Many thanks,ill look into that
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Old 17 October 2011, 14:38   #11
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Mercury makes a threaded adapter which fits directly onto the end of a hose and then into a port on the lower unit. I can't find a link online but dealers should have access to them.
Not on the Sea Pro. Its a 2 stroke. That fitting your talking about is only on the 4 stroke. You can get a flushing attachment for your engine but its a pain to use as you have to take the propeller off to use it. See attachment.
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Old 17 October 2011, 14:39   #12
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45 gallon drum !!
Have a big bin which is a pain in the rear,can t sit it properly when the engine is on the back of the transom and boat is on the trailer,thats why i want to use muffs.
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Old 17 October 2011, 14:42   #13
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Not on the Sea Pro. Its a 2 stroke. That fitting your talking about is only on the 4 stroke. You can get a flushing attachment for your engine but its a pain to use as you have to take the propeller off to use it. See attachment.
Arh i see,a chap i was talking to at my boat club,reckons he has used a muff,i think he cut one side off and something with a block of wood,just can t picture it,that be a worse pain taking the prop off each time ,lol,many thanks for the link.
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Old 17 October 2011, 15:57   #14
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Originally Posted by Turbodiesel View Post
Not on the Sea Pro. Its a 2 stroke. That fitting your talking about is only on the 4 stroke. You can get a flushing attachment for your engine but its a pain to use as you have to take the propeller off to use it. See attachment.
No no the adapter I had was for late 1980 early 1990 vintage engines. Way before 4-strokes were even being made.

Quote:
Originally Posted by thornbackflound View Post
Arh i see,a chap i was talking to at my boat club,reckons he has used a muff,i think he cut one side off and something with a block of wood,just can t picture it,that be a worse pain taking the prop off each time ,lol,many thanks for the link.
What year is your Mercury? Do you have a picture of your lower unit?
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Old 17 October 2011, 16:47   #15
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Its a 2004,i will get a picture of it when next down the boat yard
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Old 18 October 2011, 03:33   #16
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Friend has (had) a similar problem with a small Tohatsu.

As described above, the best way appears to be to mess around with a small pair of standard muffs.....
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