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    Yamaha 2004 40HP 2S RPM regulation

    Hi. I bought 2Stroke 40HP 2004 Yamaha engine last month. It was working like a charm for a couple of days. Yesterday, after only 5 minutes of run, the engine cut the RPMs. It was running well, but at slow speed. My engine has 3 LED on the front which were all off, no alarm buzzer...
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