Recent content by sleddog83

  1. sleddog83

    Wiring question for horn

    I would say that the ground is connected to ground bus, but since you don't have a harness on the bike, then I don't know? The wire labeled for the horn will go to the horn. I assume there is a wire feeding the switch that will be connected to a 12 volt bus. This 12 volt feed will come...
  2. sleddog83

    Neutral switch question

    Based on your description...yes. It switches to ground when in neutral.
  3. sleddog83

    82 xs650 L side blinker issue

    On the SJ and SK models, the left and right blinking voltage go to the flasher indicator in the Pilot box. One signal drives one side of the bulb the other signal drives the other side of the bulb. This arrangement won't work with LEDs. It can cause some unpredictable results. maybe not the...
  4. sleddog83

    82 xs650 L side blinker issue

    If you put in led signal lights, you will need a blinker unit appropriate for led lights as well as some possible changes to wiring.
  5. sleddog83

    77 xs650 won't start after mods

    So where were these melted wires? Are there components connected the melted wires that need to be checked or replaced. I assume this was the pma that got stressed, so are you still certain that the pma is working correctly?
  6. sleddog83

    77 xs650 won't start after mods

    You mention some wires that were brittle and corroded. How old was that installation of the pma? Normally it would take many years for wires to corrode. The wiring on my bike is over40 years old and not that bad. It seems more likely that what you saw was evidence of too much current going...
  7. sleddog83

    Carb Boots for Mikuni BS34

    I replaced the boots on my 83 about 5 years ago. It fixed a lot of back fire popping issues at the time. Consider replacing the plugs covering the ports as well. At the time, I lucked out and bought a pair of boots at the local Yamaha dealer. They just happened to have a set in stock. They...
  8. sleddog83

    What have you done to your XS today?

    Yeh sure.
  9. sleddog83

    What have you done to your XS today?

    Meant to add a note about what I am working on. I ran my arduino tci all last summer. I hooked up my original tci module for the last few rides last fall. I concluded that the design was about 90 -95 % effective. Most of the time it worked flawlessly, but over the summer and accumulated...
  10. sleddog83

    What have you done to your XS today?

    Hi Adamc, When checking with strobelight, At rpms below 1900 the timing mark should stay near the firing mark on the chassis. There is no full advance mark on these bikes. I added one on my bike when I was doing my TCI testing and building. Still you should see it advance up to about 3400...
  11. sleddog83

    Electrical problems, No headlight

    I think you should confirm that your test equipment is OK before proceeding with anymore electrical checks. 19.7 v is a bit unreal. If you can find another meter, great. Try checking a known voltage source, like a 9 volt battery. Keep in mind, that the typical cell voltage at rest, would be...
  12. sleddog83

    Brake question- special master cylinder reservoir cap - atmospheric vent?

    Well yes, it is after all called a diaphragm. So I am guessing it will be doing diaphragm type stuff. If the vent gets plugged, then you won't have the ambient air pressure on the top of the diaphragm. Probably works fine if there is plenty of fluid in the reservoir and gets worse as the...
  13. sleddog83

    Brake question- special master cylinder reservoir cap - atmospheric vent?

    I have been refurbishing the disk brakes on my 83 650sk. I ordered in a kit that had a replacement cap, metal plate(bush in the parts list), diaphragm and screws. To be honest I wasn't really needing a new cap, but I was comparing the old and replacement caps and noticed something. There is...
  14. sleddog83

    Anyone able to contact XS650Direct?

    Finally got a response. I think the first two queries ended up in the bit bucket, but third time lucky. For anyone interested the email from them was XS650 <xs650direct@hotmail.com>
  15. sleddog83

    Anyone able to contact XS650Direct?

    Hmm... I guess they just don't like customers asking pesky questions.
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