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Re: Electrical cut-out R1100RS tipped to left

Timo, Bob:

Thanks for the suggestion. I had checked the side-stand switch, which  
I had replaced the previous season. That wasn't the problem, but I  
began poking around in the wiring a bit more and discovered that a  
very slight displacement of the wiring bundle that begins at the left  
handlebar grip appears to be the problem. If I move that bundle just  
about 1/4 inch at the point where it curves under the tank - all the  
electrics go off.  That bundle appears to begin at the handlebar with  
the low/high beam+horn+left turn signal, it gathers the separate  
clutch switch cable and also joins with the the ignition switch  
bundle. Must be a broken wire in one of those. I played most with the  
clutch switch wire and it doesn't appear to be the problem - must be  
one of the larger bundles.


John Merlin Williams

On Apr 20, 2008, at 6:24 PM, Robert Silas wrote:

> Try to tie up the side-stand tightly, then do your tipping test again.
> Bob Silas
> ----- Original Message -----
> From: John Merlinw Williams
> To: oilheads-digest
> Sent: Sunday, April 20, 2008 3:35 PM
> Subject: Electrical cut-out R1100RS tipped to left
> All:
> First I would like to thank all of the regulars on this list who have
> been so helpful. A couple of years ago I had stretched head studs on
> the right cylinder that was causing an oil weep and you all helped me
> sort it (new studs and the correct torquing procedure). Although I
> don't contribute much, I appreciate the dialog and I've learned a
> lot. So here I am with hat in hand again. I think this could be
> interesting...
> Here's my new challenge. When my 1999 R1100RS (32K miles) is tipped
> even a few degrees (less than 10) to the left, the electrics cut out
> completely. Tip it up straight and the electric's come back on -
> lights, idiot lights, ABS flashing correctly etc. - although the
> engine shuts off. I thought it might be a fuel problem but my test
> case is: key in "on" position, no ignition. Tip to the left -
> everything goes dark, tip it upright, everything comes back on. I
> touch nothing in the meantime. It's not intermittent - does it every
> time.
> Background: Last fall I smelled a hot electrical odor. The the engine
> ran erratically - and got worse the warmer the engine got. Because of
> the intermittent but severe nature of the "cut-out-rough-running-
> stutter", then normal running for a minute or two, then repeat, in a
> very erratic pattern, I suspected the crank-position sensor (Hall-
> effect sensor?), but I have no diagnostic tools, so this time sent it
> to the dealer. They confirmed the sensor was burned and some wires
> melted. They replaced the sensor and the wiring.  I also remember,
> one of the symptoms before the sensors were replaced was the bike
> often cut out briefly tipping into a left-hander. Not pleasant.  I
> had them synch the throttle bodies also. The bike got back so late in
> the winter I never had a chance to test it on the road.
> I just put on dual horns and steel brake lines, a new Optima battery,
> and ran it through the pre-season check, let it idle on the center
> stand. it sounded really sweet. As soon as I pushed off it died. It
> took me a while to to figure out that it was going to die every time
> it was tipped slightly to the left.
> Ideas?
> John Merlin Williams
> jmerlinw@xxxxxxx
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