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Bushyboy's build thread

Discussion in 'The Garage' started by Bushyeyed1, Nov 25, 2018.

  1. Bushyeyed1

    Bushyeyed1 XS650 Addict XS650.com Supporter

    I would like to say the battery is good since I just bought it when I got the bike.
     
  2. 5twins

    5twins XS650 Guru Top Contributor

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    You might want to take it somewhere and have it load tested. I think most auto parts stores will do that for free. New doesn't necessarily mean good, lol. Or you might trickle charge it on the bench, let it sit there a few days, then check it to see if it still has a charge. You could also test it by clipping a 12v bulb to the terminals. Does doing that knock the charge right out of it?
     
  3. Jim

    Jim "No...Try not. Do ... or do not. There is no try." Top Contributor XS650.com Supporter

    Fair enough... just keep in mind even new stuff can go bad. If you got a AGM batt.... I read recently that the main cause of AGM failure is getting below 50% charge. At 5V... you blew through that limit.
    Assuming the batt is good, take all the connections apart and clean them... stator connector. Reg/rec conn. Batt + terminal... and gnd terminal. The bikes 40 yrs. old.. not unusual for corrosion causing elec. problems. What reg/rec do you have?
     
    Mailman likes this.
  4. Bushyeyed1

    Bushyeyed1 XS650 Addict XS650.com Supporter

    So the past few times I trickle charged it to get it up in the 12 volt range before the ride. The battery does hold a charge while sitting and doesn't draw that much with just ignition on and no headlight yet.
     
  5. Bushyeyed1

    Bushyeyed1 XS650 Addict XS650.com Supporter

    I have the stock reg/rec and I did take off all connectors and check for corrosion after the first time it shut down. This is the battery I got (https://shop.advanceautoparts.com/p/autocraft-power-sport-battery-14l-a2/2090120-P) and it looks like I can get a free replacement since it isn't 3 months since I purchased it.
     
  6. Superjet

    Superjet XS650 Junkie XS650.com Supporter

    My new agm drained when my rotor failed on my 77 back 8 years ago. Would get above 12volt with trickle charge, but as soon as a load would get to it, it would just drop right down to nothing. Got $10 bucks for in when I traded it in for a new one. :shootme:
     
  7. Bushyeyed1

    Bushyeyed1 XS650 Addict XS650.com Supporter

    I swear if it is as easy as a battery change then I owe you guys a beer.
     
  8. Superjet

    Superjet XS650 Junkie XS650.com Supporter

    They are not like a deep cycle battery, once they go down....game over!
     
  9. Jim

    Jim "No...Try not. Do ... or do not. There is no try." Top Contributor XS650.com Supporter

    That's not an AGM batt.... but it still could be bad. Take it in and have it load tested.
    Did you take the batt. gnd. wire off the frame and clean it?
     
  10. Bushyeyed1

    Bushyeyed1 XS650 Addict XS650.com Supporter

    I did clean the ground connector on the battery when I installed it. And it is probably a cheap battery that I just got because it was the only one they had at the time. I will take it in for a load test. I did look at the ground on the top motor mount the other day and wonder where it was supposed to go maybe I should check that it is in the right position now we are talking about ground.
     
  11. Jim

    Jim "No...Try not. Do ... or do not. There is no try." Top Contributor XS650.com Supporter

    If you only cleaned one side of that wire.... it don't count... :rolleyes: Clean the frame connection (including the frame itself). And yes.... clean up the engine ground....
     
    Mailman, Superjet and Bushyeyed1 like this.
  12. 5twins

    5twins XS650 Guru Top Contributor

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    Stock grounding point is to the cross brace on the frame behind the battery. There's a drilled and tapped hole there for an M6 bolt .....

    [​IMG]

    You cannot ground to the battery box because it is rubber mounted.
     
    Superjet likes this.
  13. Bushyeyed1

    Bushyeyed1 XS650 Addict XS650.com Supporter

    Ground was good on battery clean both sides and reads 0.00 ohms. Voltage on battery is actually at 11.87v. Taking it to advance to have them load test it.
     
    Superjet and Jim like this.
  14. Bushyeyed1

    Bushyeyed1 XS650 Addict XS650.com Supporter

    Battery passed load test. I haven't looked at my wire diagram yet but the positive side read 1.something ohms to ground. Could this be a short or should I be getting some ohms to positive?
     
  15. Jim

    Jim "No...Try not. Do ... or do not. There is no try." Top Contributor XS650.com Supporter

    With the + lead disconnected from the batt and the key off, you should show an open (infinity) from the pos. batt lead to ground.
     
  16. Jim

    Jim "No...Try not. Do ... or do not. There is no try." Top Contributor XS650.com Supporter

    Give us a pic of you doing the check. Extra set of eyes and all that.....
     
  17. Bushyeyed1

    Bushyeyed1 XS650 Addict XS650.com Supporter

    Thats what I thought just making sure. I was an aircraft electrician years ago just knocking the dust off, lol.
     
    Jim likes this.
  18. Jim

    Jim "No...Try not. Do ... or do not. There is no try." Top Contributor XS650.com Supporter

    This is how you should be doing it and what you want to see....

    IMG_20190211_144732(1).jpg
     
  19. Bushyeyed1

    Bushyeyed1 XS650 Addict XS650.com Supporter

    Not gonna rule it out because I can't go for a ride in the rain, but I did reposition the ground wire on the black box. Not sure if it was my multimeter playing with me because I was getting resistance then wasn't and couldn't duplicate. Changed the battery in the multimeter for shits and giggles. I am going to go and and start the other resistance checks and see what they come up with.
     

    Attached Files:

    Jim likes this.
  20. Bushyeyed1

    Bushyeyed1 XS650 Addict XS650.com Supporter

    How about this the little magnet has a small hole in it?
     

    Attached Files:

    Jim likes this.

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