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Messages - izmircephastanesi

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Downtown 300 / Re: Swapping "restricted" 2011 ECU for 2009 ECU for performance gain
« on: January 22, 2024, 03:16:39 PM »
Quote from: Ericson on October 02, 2023, 06:37:33 PM
Hi !

I wanted to report that swapping ECU is the way to go if you are having issues with mid throttle hesitation or "micro-pulls" with post 2011 ECU's. That was the main reason why I deceided to swap ECUs. I tried to rotate MAF sensor before but that didn't help. I made now 3000 km with "new old" ECU and I'm so sure that I will never go back to 2011 restricted ECU so I sold it 8)

Engine is pulling forward constantly no matter how wide I open the throttle. I can't feel any additional HP or torque. ( 2009 33 hp vs 2011 29 hp ).  My fuel MPG went down from 75 to 71.

how can i find 2009 ECU?

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Downtown 300 / Convert DT300 to DT350
« on: January 20, 2021, 03:30:48 PM »
Hello guys, i m from Turkey and fan of Kymco. I've a 2010 downtown 300, needs an engine rebuild. I really wonder, if it is possible to rebuild the engine by DT350 Cylinder and piston set. They look very similar.

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