The Airheads Beemer Club is a non-profit club reclaiming the 'Legendary Motorcycles of Germany'

Topic-icon r80/7 motor quit

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1 year 3 months ago - 1 year 3 months ago #3938 by Wobbly
Replied by Wobbly on topic r80/7 motor quit
If your bike has the BMW electronic ignition, then the first thing is to inspect the sandy beige colored connector on the pigtail coming out of the ignition "bean can". Take all the proper steps and pull the front engine cover. Unplug that electrical connector set for the ignition, and then thoroughly inspect the beige connector half.



Those connector bodies literally disintegrate during use, which kills the ignition. You can get the new connector from Rick Jones at Motorad Elektrik. It comes already mounted on a pig tail, all you have to do is connect the 3 wires.

Hope this helps.

Don't hide 'em, Ride 'em !!
#15150
Last edit: 1 year 3 months ago by Wobbly.

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1 year 3 months ago #3942 by DocP
Replied by DocP on topic r80/7 motor quit
Thanks for that suggestion. It sounds like a good potential source of the problem.

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1 year 3 months ago #3944 by Wobbly
Replied by Wobbly on topic r80/7 motor quit
I was told they did this and didn't believe. Went in to replace the alternator brushes and had to unplug this connector to do the work. The connector literally fell apart in my fingers like a cheap cookie.

Those photos aren't staged.

Don't hide 'em, Ride 'em !!
#15150

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1 year 3 months ago #3974 by DocP
Replied by DocP on topic r80/7 motor quit
Update - My connector, unfortunately, was pristine but my Hall sender was not. One Alpha V3 ignition unit later everything is up and running with just a tweak needed to the timing (I'm waiting closer to dark so I can see the marks better with my ancient timing light). Rick Jones was very helpful in getting things right.

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