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Old 04 December 2011, 11:32   #1
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mariner 25hp 2 stroke

hi all, with regards to my early xmas present, (25hp mariner 2 stroke) I fired her up yesterday on single sided flush muffs, and noticed the stream of water from the tell tale was pretty weak and rather warmer than usual.

Is this normal ?

Stream is a lot stronger when submerged in my wheelie bin, but I dont fancy lifting 51kg into a wheelie bin everytime I flush it out.
Am i doing something wrong, my tohatsu is no problem on the same flush muff.

regards. paul.

btw thanks b&o for the quick response regards the kill cord
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Old 04 December 2011, 12:04   #2
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turn the tap on a bit more?. my old 75hp mariner barely had a tale tell on a hose unless i cranked the tap right up. i had the bottom off it quite a few times as better safe than sorry and everytime i done it the impeller was fine and outboard worked when in the water.

cheers
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Old 04 December 2011, 13:41   #3
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Thermostat

Those models tend to pump as and when needed rather than a constant cool flow

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Old 04 December 2011, 14:39   #4
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Quote:
Originally Posted by Boats&Outboards View Post
Thermostat

Those models tend to pump as and when needed rather than a constant cool flow

Peter ~ Boatsandoutboards4sale ~ askboatsandoutboards4sale@sky.com ~ 07930 421007
Unless is an EX MoD one (there are hundreds knocking about) The cooling system is modified to have a colder tell tale so it runs all the time. You can tell the Ex MoD ones as the tell tale comes from the exhaust cover on the block instead of the top of the Thermostat housing.
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Old 04 December 2011, 14:41   #5
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Quote:
Originally Posted by Turbodiesel

Unless is an EX MoD one (there are hundreds knocking about) The cooling system is modified to have a colder tell tale so it runs all the time.
True, but I'm not sure if they were still in commission in 2006 when this one was made ?

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Old 04 December 2011, 14:45   #6
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True, but I'm not sure if they were still in commission in 2006 when this one was made ?

Peter ~ Boatsandoutboards4sale ~ askboatsandoutboards4sale@sky.com ~ 07930 421007
Yeah, MoD had them from about 1995/6 and they still use them today (although the engine went out of production in late 2008.
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Old 04 December 2011, 15:11   #7
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Out of interest how were they modified ? Did the stat get replaced with a washer etc to restrict the flow ?

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Old 04 December 2011, 15:20   #8
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I fired her up yesterday on single sided flush muffs
Does that mean only one intake port is getting water?

or is there only one intake port on this engine?
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Old 04 December 2011, 15:58   #9
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Out of interest how were they modified ? Did the stat get replaced with a washer etc to restrict the flow ?

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Its a Secret!!!
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Old 04 December 2011, 16:06   #10
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Its a Secret!!!
LoL

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