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A UK Site Dedicated To The Suzuki C800, VL800, VX800, M800, VZ800, VS800, C50, M50 Model Intruder / Boulevard / Marauder
 
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 advice please - MMM Swith ~ 97 Marauder

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ianyerman
Prospect
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PostSubject: advice please - MMM Swith ~ 97 Marauder   Fri Jun 20, 2014 5:53 pm

Good afternoon.This morning my 97 marauder would not start.This is the first time   this has happened.It was turning over slowly but not catching.I have read about an MMM switch which you can bypass to correct the start up problem.Does anyone know if this can be removed permanently without causing damage ..thanks
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simbo
.. Mechanical Tart .. .. Site Moderator ..
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PostSubject: Re: advice please - MMM Swith ~ 97 Marauder   Fri Jun 20, 2014 7:10 pm

I'm not sure if permanent removal will cause damage? This guy on Youtube says people do it permanently though, I'm sure someone will chip in and answer your question   
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Mr Intruder
Suzuki800.com Founder ... & ... Senior Administrator
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PostSubject: Re: advice please - MMM Swith ~ 97 Marauder   Fri Jun 20, 2014 7:33 pm

Unhook the MMM module, cut the 3 wires from the connector. Connect the Yellow/Green wire with the Yellow/Black wire. Job done.  
Running a loop like the guy in the video above has done would be just as affective as long as you use connectors of some sort rather than just a wire pushed in.
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Two-Bears
* VZ Guru *
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PostSubject: Re: advice please - MMM Swith ~ 97 Marauder   Sat Jun 21, 2014 5:13 am

Hello ianyerman,
Both Sim and Dave are correct about the MMM module,, the modification has been done by many people and then the bike ridden for years and many thousands of miles covered with no ill effects.
I have never needed to do this MOD on any of my VZ`s so I must be lucky but have done it for other people,,,, whilst you are delving into the wireing to do this Mod check all the wiring blocks and terminals in this area ( starter relay etc.) as bad connections can cause this fault and VZ`s are known for this,, and make sure your battery is in good condition and fully charged,,, the only time I thought I might need to do the MMM module by-pass turned out to be a failing 10 month old battery.
A quick way to check:-
A 12 volt battery fully charged and in good condition should read about 12.2 to 12.6 volts with no load ( i.e. nothing turned on).
Turn the ignition key on, but don't try to start engine, the voltage should be about the same 12.2 ish volts, if sharp drop is seen when key is turned suspect duff battery or needs charging.
Good luck mate.
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davies664
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PostSubject: Re: advice please - MMM Swith ~ 97 Marauder   Wed Jan 03, 2018 9:34 am

I recently had the same problem with my Marauder, even fitting a new battery did not work.  I was initially reluctant to do it but I followed the instructions shown on several YouTube video's and it made a world of difference.  Bike now starts like a dream.
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hmac
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PostSubject: Re: advice please - MMM Swith ~ 97 Marauder   Wed Jan 03, 2018 3:04 pm

Been running without MMM for a couple of years with no problems.
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