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Discussion Starter #1
Is it possible to enrich the mixture on bikes with Siemens M3C ECU? There is a DP ECU installed but CO% is very very low so not much power gain is to feel.
 

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no, it's a closed loop ecu. you can flash them to be open loop, but there's still no trimmer function. i expect given it was made as a closed loop ecu only there was never a consideration for it.
 

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Discussion Starter #3
Thank you for your reply. I am disappointed then. There is a DP ECU and the bikes ( 696 and 796 ) feel lame and tame. No low rev power no greasy idle. An S2R with DP ECU is years ahead in power and in behavior too. Where is the progress then? Why the marelli ecu had to be thrown away? Crazy.
 

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the progress primarily is in meeting statuatory requirements as a manufacturer.
 

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if you can flash it and modify the ecu file then you can do whatever you like to it.
 
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