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  1. Replies
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    The voltage regulator inside the alternator,...

    The voltage regulator inside the alternator, which I just had apart a couple months ago is stamped 14 volts. Below 20/25C (not sure exact crossover temperature) the voltage is slightly higher, above...
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    273

    The voltage regulator inside the alternator,...

    The voltage regulator inside the alternator, which I just had apart a couple months ago is stamped 14 volts. Below 20 or 25C the voltage is slightly higher, above 20/25C it gets lower. In GS-911 logs...
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    The system is pretty complex, and Doug Raymond...

    The system is pretty complex, and Doug Raymond (on-line schematic author) has been extensively working on a problem with his R1150RT. That has led him to update the schematics with some help from me...
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    The factory flow tested your throttle bodies so...

    The factory flow tested your throttle bodies so that the same amount of air would flow through them for the same angular throttle displacement. I can't see any reason to believe that 0=0 will...
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    There's so much good advice in the thread at this...

    There's so much good advice in the thread at this point that I don't want to create confusion. But I would caution using what is known as the zero=zero procedure. If the screws on the TB stops and...
  6. Alex, Excellent write up, thanks. I noticed...

    Alex, Excellent write up, thanks.

    I noticed you didn't remove the starter gear from the shaft. I found it VERY hard to get back on.
  7. Doug, The ABS additions are terrific,...

    Doug,
    The ABS additions are terrific, contribution made. These are better for many uses that the BMW source drawings. Everyone should print a copy.
    Roger
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    The tests and measurements showing how the...

    The tests and measurements showing how the Motronic learns about fueling and "adapts" it back to stock (Mixture Adaptation) runs for several pages. That explanation might be hard to follow, partly...
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    The only way for the RID to stay on is if the...

    The only way for the RID to stay on is if the Motronic relay stays on. That would also mean you Mitronic is staying powered.

    That might mean one of three things:

    1) Sticking relay contacts....
  10. You would think that I equals V divided by R but...

    You would think that I equals V divided by R but many of the loads don't have a "resistive" property.

    Therefore, the better approach is to attach a milliampere meter in series with the battery...
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    +1, that's what happened to my starter. Good...

    +1, that's what happened to my starter. Good article and photos.
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    It seems to me that the two most likely cause of...

    It seems to me that the two most likely cause of these problems are:

    1) A bad battery - you've checked that

    2) A bad starter - magnets sometime separate inside the starter case and internal...
  13. When at 6700 feet, there is about 25% less air,...

    When at 6700 feet, there is about 25% less air, in the "air". Opening the throttle some should do the trick. The BMSK has a barometric sensor (as does the Motronic) and should be able to compensate...
  14. Is the charcoal canister still installed? Fuel...

    Is the charcoal canister still installed?

    Fuel in the charcoal canister is a possibility. After you start, it takes a while before the canister vent solenoid is actuates. When the valve opens it...
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    It never hurts to have the injectors cleaned and...

    It never hurts to have the injectors cleaned and tested. However, the lean condition comment may or may not be correct. Exhaust temperature reaches a peak at an AFR of lambda=1 (14.7:1 for gasoline),...
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    They are interchangeable. The heater is...

    They are interchangeable. The heater is electrically isolated from the case.
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    Does that one come with the posilock splice kit...

    Does that one come with the posilock splice kit like BB's?
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    Beemerboneyard sells a universal no-solder kit at...

    Beemerboneyard sells a universal no-solder kit at a good price.
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    It is easy to check and see if the hoses from the...

    It is easy to check and see if the hoses from the tank vent and the (separate) filler drain have been reversed. They can be reversed accidentally when someone pulls the tank or when the in-tank hoses...
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    A few weeks ago I stumbled on the time required...

    A few weeks ago I stumbled on the time required to reset the Motronic when you pull Fuse 5 or remove the battery cable. I use to think it was 15-30 seconds but now realize it is several minutes. 10...
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    You hit one of our potholes in Massachusetts, eh?

    You hit one of our potholes in Massachusetts, eh?
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    There's also a technique I use to measure O2...

    There's also a technique I use to measure O2 sensor quality: take a riding realtime GS 911 log, import into excel, sort for closed loop, sort lambda sensor voltage low to high values and plot. It...
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    Sounds like you'll have to think it too a...

    Sounds like you'll have to think it too a solution given how rarely it happens.

    I'd ride it exactly as you say the problem occurs, while making a 911 realtime log and then look and see what the...
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    To me it sounds like Mike and Paul have a similar...

    To me it sounds like Mike and Paul have a similar symptoms but likely a different root cause. Mike specifically mentioned the rain in his first post so probably needs to go over his bike, since its...
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    I'm not an expert on this but usually the female...

    I'm not an expert on this but usually the female pin has loosened or corroded. Sometimes you can find a way to get at the female pins, sometimes not. Also, the female pins may not be applying enough...
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