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12-27-2011, 03:17 PM
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#1 |
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Von Hochstaden's son
Joined: Jun 2006
Location: Albuquerque, Neue Messico
Oddometer: 44,982
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Erratic red charging light behavior - 86 r80
Off idle - flickering red.
Sometimes cuts off 1200ish sometimes higher. Brush pack?
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mikuni vm32-33 both sides :\ 5000 feet altitude/ 140 main \ 159 02 needle jet\ 6F4 needle in the middle setting\ 0.5 air jet\ pilot 25/3.0 slide 35 mpg around town riding like a asno |
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12-27-2011, 03:35 PM
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#2 | |
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Gnarly Adventurer
Joined: Dec 2009
Location: Darkest Gloucestershire
Oddometer: 405
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Quote:
Probably.
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R100 of indeterminate history and model. |
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12-27-2011, 04:05 PM
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#3 | |
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Von Hochstaden's son
Joined: Jun 2006
Location: Albuquerque, Neue Messico
Oddometer: 44,982
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Quote:
__________________
mikuni vm32-33 both sides :\ 5000 feet altitude/ 140 main \ 159 02 needle jet\ 6F4 needle in the middle setting\ 0.5 air jet\ pilot 25/3.0 slide 35 mpg around town riding like a asno |
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12-27-2011, 11:52 PM
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#4 |
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Beemerholics Anonymous
Joined: Jul 2002
Location: Jackson's Bottom Oregon
Oddometer: 7,356
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Perhaps nothing is wrong. If it goes off and stays off, I wouldn't worry about it. Some of the differences are state of battery charge and temperature. The voltage regulator regulates differently when hot than cold.
If it goes out, and stays out, by 1200 RPM, there's nothing to worry about.
__________________
Wanted: Dead, smashed, crashed or trashed gauges BMW GAUGE REPAIRS - TACH*SPEEDO*CLOCK*VOLT METER *PODs & LIGHT BOARD* |
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12-28-2011, 05:07 AM
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#5 | |
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Von Hochstaden's son
Joined: Jun 2006
Location: Albuquerque, Neue Messico
Oddometer: 44,982
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Quote:
__________________
mikuni vm32-33 both sides :\ 5000 feet altitude/ 140 main \ 159 02 needle jet\ 6F4 needle in the middle setting\ 0.5 air jet\ pilot 25/3.0 slide 35 mpg around town riding like a asno |
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12-28-2011, 06:04 AM
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#6 | |
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Beastly Adventurer
Joined: Sep 2009
Location: Melbourne, Australia
Oddometer: 2,031
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Quote:
It's not like its a major voyage of discovery to get far enough in to see what they're like! Flickering does suggest dodgy continuity which worn brushes will certainly provide. Other possibilities include: Field (rotor) or stator winding faults, but these tend to go bad and stay bad, not flicker. Voltage regulator failing - but it's an electronic regulator, not mechanical, so they're usually pretty reliable. Loose connection anywhere in the alternator wiring, especially voltage regulator, warning lamp, brushes (ah, we'r back where we started). Loose battery terminal. |
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12-28-2011, 08:56 AM
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#7 |
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Ride, wrench, repair
Joined: Jun 2009
Location: The Burbs, NY
Oddometer: 24
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My experience has been this:
One night, whilst going to meet a friend for a ride down to NYC, the GEN light started to flicker. The diode board had been replaced a year prior, but this was different. Get to his house, pull off the front cover and checked brushes, connections, etc. The voltage also dropped to about 12.5 when the light was flickering. We go off on down to NY, and no problems. Next day same thing. I replaced the brushes, which were fine, and didn't help. Swapped out stator from other bike, as well as voltage regulator. Last thing was the rotor, ordered up a new one, and that was it. I hear that once rotors "go", they "go". Mine was intermittent, so no one believed that was it. My gut told me it was. I now have a pretty much new electrical system now that will probably last another 20 years. When the diode board went, the GEN light glowed dimly at night. I am becoming well-versed in these electrical gremlins. Seems all my bikes have had them at one point or another. Good luck! 
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"You live more in five minutes on a bike like this going flat out than some people live in a lifetime." - World's Fastest Indian |
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12-28-2011, 09:28 PM
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#8 |
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Von Hochstaden's son
Joined: Jun 2006
Location: Albuquerque, Neue Messico
Oddometer: 44,982
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Rotor ... mmhm .... where the hell it is?
__________________
mikuni vm32-33 both sides :\ 5000 feet altitude/ 140 main \ 159 02 needle jet\ 6F4 needle in the middle setting\ 0.5 air jet\ pilot 25/3.0 slide 35 mpg around town riding like a asno |
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12-28-2011, 10:26 PM
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#9 | |
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Gnarly Adventurer
Joined: Jun 2007
Location: san jose
Oddometer: 359
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Quote:
Ask Newt. |
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12-28-2011, 10:38 PM
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#10 | |
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Von Hochstaden's son
Joined: Jun 2006
Location: Albuquerque, Neue Messico
Oddometer: 44,982
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Quote:
It's a prank about the least likely and able being my favorite.
__________________
mikuni vm32-33 both sides :\ 5000 feet altitude/ 140 main \ 159 02 needle jet\ 6F4 needle in the middle setting\ 0.5 air jet\ pilot 25/3.0 slide 35 mpg around town riding like a asno |
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12-29-2011, 01:53 AM
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#11 |
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Mad Scientist
Joined: Nov 2003
Location: Chico, California
Oddometer: 2,966
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Drink more beer and close one eye:) Your probably fine.
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BOXER Metal BMW Biker Scum BMW Mad Scientist! VBMWMO #7770, BMW MOA #48694 & Airhead BMW Club #600 |
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12-29-2011, 07:42 AM
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#12 |
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Beastly Adventurer
Joined: Mar 2002
Location: North Coast (Lake Erie)
Oddometer: 1,054
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10-15-2012, 08:45 PM
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#13 |
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Von Hochstaden's son
Joined: Jun 2006
Location: Albuquerque, Neue Messico
Oddometer: 44,982
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It was the brushes
__________________
mikuni vm32-33 both sides :\ 5000 feet altitude/ 140 main \ 159 02 needle jet\ 6F4 needle in the middle setting\ 0.5 air jet\ pilot 25/3.0 slide 35 mpg around town riding like a asno |
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