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  1. Duke 125 to 200 engine conversion - ECU issue?

    Duke Engine
    Hello, I was wondering if any of you might be able to help me. I have swapped my 2013 Duke 125 engine to a 200cc duke engine. Everything is connected and fits, the engine starts and runs. However, it will not idle (it just stalls) and with anything over 20% throttle it will stall too, it runs...
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