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Old 03 May 2010, 17:26   #1
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115hp optimax new ECU for sale

Hi,
I have a brand new Mercury/Mariner 115hp Optimax ECU (PCM)

Here is a brand new still packaged ECU for a Mariner/Mercury 115hp Optimax engine
Known as a PCM Propulsion Control Module.
Part No.89790625T
They are expensive so contact for price.

If you are Interested let me know or pm me
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Old 03 May 2010, 17:47   #2
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Country: UK - Wales
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Are these directly interchangeable with the ECU of a 75 Opti?
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Old 03 May 2010, 17:50   #3
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I could look into it for you, as I know it is the same block. I bought it to try and fix an unknown problem with my engine, I ended up breaking the engine for parts. And keeping the ECU which works out better to sell seperate.
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Old 03 May 2010, 17:53   #4
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I wondered whether there were any other differences between the 75 & 115 Optis.
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Old 03 May 2010, 17:56   #5
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Not as far as I know, I know the 75 mariner is the best power ratio to hp as it has been massivly down rated. It is the same block as the 115hp. I am not sure if it is purely the ECU that is different. If it is wow what a big difference for a small price
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Old 03 May 2010, 18:23   #6
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I'm sure I've read somewhere you can simply swap ECU's to change hp on an opti if they're of the same block. Hence why they're so expensive, to discourage people from not buying the bigger motor.
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Old 03 May 2010, 18:26   #7
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The 75 and 90 opti are a pcm change (I think) but there are differences with the 115, the throttle body is different and may be other parts but never checked it out. the block and most parts are the same.
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Old 04 May 2010, 06:08   #8
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it's used on these.....
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Old 05 May 2010, 03:19   #9
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yeah that looks like the one Dirk. Let me know if you guys find out about if it is a interchangeable part. That would be very interesting
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Old 07 May 2010, 17:24   #10
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The 115 Opti has different porting in the block, inlets are different as well. It will run like a bag of crap if you put that on a 75/90 Opti i tried it once at work!
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