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buying a second hand emm evinrude opinions?

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bundy73

New member
hi im looking at buying a EMM and a stator online, I don't have a very big budget so I have found some reasonable cheap second hand ones.

Just wanted some opinions on it
I have found a emm with same part number as mine, but off a different hp and year motor, will this matter? I know i have to take it to a shop to get installed and programed.

Also am I just asking for problems buying a second hand emm, like wear and tear and history on it?

any opinions would be great.

thanks
 
Good question from Fazt.
Lots of time the EMM is blamed, and it is really not at fault.

Now, my 2 cents.....I would not have a problem buying a used EMM.
I would absolutely insist on a refund arrangement if you find the used one is defective too.
There is really no way to test without putting it on a known good motor.

Regarding the HP difference.....The HP of the engine is determined by the engine map that is programmed into the EMM.
The same PN EMM can be used on 200, 225, 225HO and 250 V6 DI engines.....main difference is the engine map in the EMM.
(on 225HO and 250 there may be porting differences...not sure)

So, the used EMM will not have accurate hours, accurate serial number, possible different HP map, etc.
If you don't care about that....go for it.

If you have the software and laptop, you can do the REQUIRED re-programming of the injector co-efficients yourself.
IT IS REQUIRED!!!

However, there ARE certain year injectors that you CANNOT get the co-efficients for.
Evinrude will not supply them. Certain long standing dealers might talk BRP into giving up the info, but I have never been able to get it out of them.
If you have an injector that has a Datamatrix code on the label,
you are generally good, because standard code readers for cellphone apps will read the coded injector co-efficients.

If is tricky, but if you know what you are doing, very possible.
 
thanks for the replies. the issues with my boat is, was very hard to start when its cold and once started very poor idling and will continue to stall and would also was dying on acceleration, so I took it into the shop and they eventually concluded it was the emm and stator.

I have continued to use the boat with these issues, should that be possible if the emm is screwed?

I have looked into rebuilding my EMM have you got any opinons on that?

thanks
 
Sounds more like a fuel pressure issue or TPS than EMM. The hard start when cold sounds like the starter or battery weak not allowing correct sync up with EMM when staring..
 
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