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Suzuki 800 Intruder Club & Forum

A UK Site Dedicated To The Suzuki C800, VL800, VX800, M800, VZ800, VS800, C50, M50 Model Intruder / Boulevard / Marauder
 
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 De-restricting the M800

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Ian800
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PostSubject: De-restricting the M800   Sat Aug 25, 2012 5:32 pm

OK the problem is this. I have just bought a 2008 M800 K8 that is restricted to 33bhp. I'm told de-restriction is simply a case of swapping the ECU back to the 'full power' version which has been included in the sale. Is this right or are there other things that need doing ?

The other question regards the exhaust. There is a Road House shot gun exhaust fitted that doesn't have a boss of the lambda sensor. Suzuki have advised the current owner that this won't be doing any damage but I want to check this is actually the case before I take it too far. Your words of wisdom would be greatly appreciated.
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captain crash
Mentally Deficient lunatic ..... & ..... Site Moderator
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PostSubject: Re: De-restricting the M800   Sat Aug 25, 2012 6:00 pm

Just been reading up on this on the net about restricting fuel injected bikes and they say its a simple ecu swap. What is ment by SIMPLE SWAP god only knows. Never known or read about anyone doing it to the fuel injected intruder before so I don't know how easy it is to swap the ecu over. Hopefully one of our experienced members will help out a lttle more here.

As for the Lambda sensor, no worries. They are there for the sole purpose of reducing emissions in lower gears at lower revs so no need to concearn yourself with that. Many of our members have put them out of service when adding new pipes although some do have the bosses welded in to the new pipes so they can refit them. No right or wrong with this one unless you are a green party member
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Ian800
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PostSubject: Re: De-restricting the M800   Sat Aug 25, 2012 7:16 pm

Good news Captain. I was a little concerned as I have to ride the bike home 60 miles down the A303 tomorrow. I'll have to see if I can find a manual on the net to find out where the ECU is situated. If I can change it before I set off I will.

Another thought whilst I'm at it. At the moment the bike shows a FI fault as the Lambda sensor has simply been unplugged. Is the a way to wire the connector in such a way as the fault doesn't register. As an old pilot in days gone by seeing red tell tale lights on a panel doesn't sit well !

Thank you for your advice, it's appreciated.
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Mr Intruder
Suzuki800.com Founder ... & ... Senior Administrator
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PostSubject: Re: De-restricting the M800   Sat Aug 25, 2012 8:09 pm

Ian the ECU should be just a matter of unplug and then re-plug the standard one in.
The ECU is under the offside cover, under the front end of the seat.
The Fault light can be easily remedied by either fitting O2 sensor eliminators or cutting wire at pin #23 at the ECU.
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Ian800
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PostSubject: Re: De-restricting the M800   Sat Aug 25, 2012 8:33 pm

Guys you are absolute stars. As a newbie to the forum I am so impressed. Thank you for your advice and laying my mind at rest. This is going to be fun.
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Mr Intruder
Suzuki800.com Founder ... & ... Senior Administrator
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PostSubject: Re: De-restricting the M800   Sat Aug 25, 2012 8:35 pm

Glad we can help, thats why we are here.

Love your signature, fab
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Ian800
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PostSubject: Re: De-restricting the M800   Sat Aug 25, 2012 8:47 pm

Glad you like it...it's my excuse for being a little 'broken'
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Ian800
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PostSubject: Re: De-restricting the M800   Thu Aug 30, 2012 7:16 pm

I've been searching for an O2 sensor eliminator but can't seem to find one that is specifically listed for the bike. Is there a 'universal' Suzuki item or somewhere anybody knows of where I can get one.
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Mr Intruder
Suzuki800.com Founder ... & ... Senior Administrator
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PostSubject: Re: De-restricting the M800   Thu Aug 30, 2012 8:32 pm

I have just searched and can't find one specifically for the 800 intruder being sold in the UK at the moment, although I believe all Suzuki ones are the same. Basically all it is, is a cheap 330 ohm resister in loop.
I believe up until 2009 only one is required so you have a choice, either cut wire #23 at the ECU & seal off the ends which is what I have done or you could PM me you address and I will send you an O2 sensor eliminator for free.
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Ian800
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PostSubject: Re: De-restricting the M800   Thu Aug 30, 2012 9:08 pm

Thank you Dave. PM is on it's way. I owe you a pint or two.
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