Stobborn Electrical Problem with BMW F650 Dakar 2002 - Needs Electrical Expert

Sgt Pepper

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Englefield Green, Surrey.
Hi,

I spent a considerable amount of time restoring an F650 I took around the world and it looks great and performs very well BUT for one stubborn electrical fault with the lights which flicker at anything above 4,000rpm.... I spent two whole weeks(whilst not working) to try and remedy last Summer and still no resolution. :blast :nenau :blast So far I have:

- Replaced the wiring loom
- Replaced the ignition coil
- Disconnected the Voltage Rectifier
- Disconnected the Alternator
- Run the bike with a different battery
- Hot wired all switches and sub-looms to ensure no localised faults
- Replaced the ignition switch
- Changed the spark plug and cap
- Disconnected the side-stand & heat sensor plugs on the engine and exhaust

None of these have worked and I really want to ride the bike this year. Does anyone know of a good electrical wiz in my area(Berkshire/Surrey), preferably mobile as the bike is stripped to provide easy access to all wiring. I wouldn't require anything else than the fault being detected and remedied. (i.e. I would re-build it) I am prepared to pay a very good rate for its resolution.

If anybody can help I would be most grateful.

Many Thanks,

Mike
 
Can you run the bike with a bulb connected just a+ and - across the battery. Post above seems to be heading in the right direction JJH
 


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