Question about 2000 Gas Gas EC 300

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Electrical system acting up at high RPM

My ’06 EC300 has some electrical issues which appear to be related. It is a stock Euro EC300 with higher output electrical system

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Halogen headlight taillight/brake light turn signals odo/speedo and horn. Here are the problems… Above about 6000 RPM the ignition will intermittently cut out. It doesn’t do it all the time. The higher the RPM the more it tends to cut out. Reducing RPM brings the lights back to bright. Above about 6000 RPM the lights start to dim intermittently. The higher the RPM the dimmer they get to where the lights almost go out. The engine runs fine if the RPM is reduced. The tachometer records some very high RPMS when the system starts to act up. Max RPM recorded is 19999 which is totally unreasonable. I am looking for some assistance in troubleshooting my electrical system and how to isolate the problem(s).,Start by disconnecting the cables from the generator coils and start up your engine. Problem still there? Do this to find out if your problems stems from the power side or the ignition side. If bike now runs fine, I'd look at the voltage regulator. Have you checked that all your connectors are ok? A grounding problem with a somewhat loose connector would be vibration sensitive, hence the problems at higher rpm. Is your stator plate securely fastened? Is your engine grounded to chassis? There might be a loose fastening in one of you engine mounts. Reply With Quote,,,

Posted on Nov 10, 2008

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