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  1. Replies
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    Kurt, you only need to isolate the slip rings...

    Kurt,

    you only need to isolate the slip rings with some paper/plastic if you want to measure the resistance of the rotor.

    My suggestion was to bypass the rotor coils with a jumper and test the...
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    One test of the GEN-light path is to jump the...

    One test of the GEN-light path is to jump the slip rings with a short piece of wire:

    46592

    If the GEN-light comes on you have connection from the light bulb all the way through the brushes to...
  3. Brook, monoRT mentioned "I have the Rick...

    Brook,

    monoRT mentioned "I have the Rick Jones/Emerald Island Alpha ignition " which - as far as I know - includes a new trigger unit (aka "can").

    But you may point to one possible cause of the...
  4. "His speciality is British bikes" ... oh,...

    "His speciality is British bikes" ... oh, specialized on the good old Lucas stuff. :laugh

    Given the symptom as "dies at anything above 1000rpm" I would suspect either the ignition advance system...
  5. georgej, you have a really smart mechanic...

    georgej,

    you have a really smart mechanic here. With the symptom you described I would have never ever thought of disconnecting the alternator to change the behavior.

    Btw. which wires were...
  6. If you don't get a spark on both plugs the...

    If you don't get a spark on both plugs the problem is more "upstream". Since you have the coil replaced I give it close to no chance to be the cause of the problem.

    I would check for a loose...
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    typ181r90: Yeah, that was BEFORE he worked on the...

    typ181r90: Yeah, that was BEFORE he worked on the charging system.

    lkchris: Not that simple! The current through the GEN-light bulb (~025A) is needed to "kickstart" the alternator. If the...
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    Try the "blue wire test" again just to make sure...

    Try the "blue wire test" again just to make sure your GEN light works.

    /Guenther
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    Ok, saying it 'bypasses the enricher' was not the...

    Ok, saying it 'bypasses the enricher' was not the correct explanation. The disc in the enricher is designed to give the right cold start mix (rich) with throttle closed. That is for a cold motor and...
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    On mine I start cold with the enricher fully open...

    On mine I start cold with the enricher fully open and throttle completely closed for ca. 5+ seconds. It doesn't start. Next attempt I open the throttle a bit and it usually fires up. Sometimes I have...
  11. To make it easier to lift her up I replace the...

    To make it easier to lift her up I replace the bushings for the center stand every couple of years and I have modified the handle:

    46337

    The handle is made out of rod iron and welded to the...
  12. Mine measures 488mm between center of top/bottom...

    Mine measures 488mm between center of top/bottom bolts with the original shock and on center stand.

    /Guenther
  13. Thread: Diode Board??

    by Guenther
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    The diode board has 6 major diodes to rectify the...

    The diode board has 6 major diodes to rectify the 3-phase output from the alternator. If one or two diodes fail you'll get a voltage drop after the diode board which the regulator cannot compensate...
  14. 8,200 feet and a summit elevation of 9,255 feet....

    8,200 feet and a summit elevation of 9,255 feet. Temperature varies each year. Nights can be cool down to 30F. Last year nights were in the low 50s and daytime temperatures in the mid 70s.

    I...
  15. The upper and lower U-joint are off by a good...

    The upper and lower U-joint are off by a good number of degrees due to the shaft twisted inside the rubber damper.

    I am glad you got a replacement part quickly.

    /Guenther (at shaft #3)
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    How reliable is your ampmeter? Was the battery...

    How reliable is your ampmeter?

    Was the battery well charged when you did the test?

    Did you measure the current between the bare minus pole of the battery and a ground point where the ground...
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    Did you mean "2.25 mA" - "A" as in "amperes"? If...

    Did you mean "2.25 mA" - "A" as in "amperes"? If that's so it would draw (2.25 mA * 1,000 hours) = 2.25 Ah in 41 days or roughly it would drain your battery in a year if not used at all.

    I have...
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    Clogged vent lines and filler cap? Negative! Jim...

    Clogged vent lines and filler cap? Negative! Jim describes the problem to be idle related and if there were a problem with vent lines or the filler cap the problem would be really showing up when...
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    I agree it looks like a fuel supply problem...

    I agree it looks like a fuel supply problem through the idle jet passage. But...

    A tiny tear in the diaphram?

    I would look at the timing mark when it starts shaking at idle. Just to verify...
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    patiodadio, arm yourself with a 10 Amp fused...

    patiodadio,

    arm yourself with a 10 Amp fused ampmeter and follow Wayne's suggestions above.

    Some wild guessing:

    If there is a short it would have either burned a fuse or melt a wire (with...
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    Joe, my old rotor showed cold some 3.6 Ohm...

    Joe,

    my old rotor showed cold some 3.6 Ohm (was 4.6 Ohm hot after coming back from a run). At 4,000 RPM I got barely 13.5 volts at the battery poles.

    I installed a new rotor from...
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    Joe, if you don't have a penny then disconnect...

    Joe,

    if you don't have a penny then disconnect the black wire (see my picture above; the black connector just before the blue wire sheath) and connect it to ground while ignition is on and motor...
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    Unless you have installed some new electric...

    Unless you have installed some new electric gadget recently I doubt that there is something draining the battery just like that.

    What is the symptom of your dead batteries? What does it measure...
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    Sounds the wrong way round. How did the Napa guy...

    Sounds the wrong way round. How did the Napa guy know which relay is right for you?

    Before suspecting the starter test it by shortening the starter's battery connection to the starter's solenoid...
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    One easy inspection for the drive shaft is to...

    One easy inspection for the drive shaft is to pull back the boot next to the transmission. Then turn the rear wheel and inspect the u-joint. The u-joint at this end is typically the one that...
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