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Really...now the stator??

  • Thread starter Thread starter 520eek
  • Start date Start date
5

520eek

Guest
SO I bought a 80 850 awhile back with the intention of putting sidecar on it. I decided to take my time and not rush anything and just slowly get this all together. I looked at the top 10 noobie mistakes and addressed them. I wound up putting on a SH 775 R/R on it and enhanced all grounds by soldering and cleaning off paint to bare metal whenever it was needed.

Today, after months of frame alterations and what not...I am down to getting rear turn signals set up and have run into problems which led me to check charging system and battery.

Initial check showed the battery not charging.....I took a battery out of one my vehicles and jumped it directly ( with cables ) and did a quick check...no charge.

After doing stator paper checks, my a?c voltage is like 3.5 on every leg.......damn!

Now after almost a year of fiddling here and there, riding the bike in various stages of getting ready to attach the sidecar....I discover today that the stator is most likely shot.....well sheeeeit.

Another bit of reading on this site and I now have discovered that I most likely have an aftermarket stator in it all ready ( 3 yellow wires ).

Now time is crunching down on me, I really need to have this project all dialed in and ready to roll by end of January....just great.

I have done so much upgrades and things that I am leery of my readings on A/C voltage and, if I replace stator ( just changed oil too ) it will fail right away.

When I had done the R/R as an obvious upgrade that made sense to me, the charging system was perfect and doing great.

I am a bit leery of replacing stator now and rolling out for a 1200 mile ride.....maybe a 400 mile adventure? Not sure as my plan was to put a car battery in the trunk of sidecar and have that as my source of 12 volt power. So how long/far can one ride on a car battery if you unplug headlight if you had to in certain circumstances and would it mess up R/R ?

I will deal with turn signals later.......

Sheesh...thats my rant for now. Any suggestions? Which stator to get? Did my installation of Sh 775 cause this stator failure? Why now? What are the winning numbers for powerball, who will win the superbowl? Thanks
 
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Did you wire the stator directly into your R/R, bypassing the factory harness?

What did you do with the R/R power output wire and the ground? The power output needs to either go to the fuse box or directly to the battery. If you go to the fusebox make sure to check for voltage drop along the route.

Oh, and make sure your voltmeter is set to AC voltage before attempting to measure stator output. You need to disconnect all three stator legs from the harness first too. And even if you read high voltage the stator output may still be low. Thus is the limitation of no load testing.
 
R/R power wire is direct to battery via 25 amp in line dedicated fuse. The ground goes up to left side of frame into a sliding rubber boot and connects to a a red wire...I peeled back some of the heat shrink and measured from that connection to ground and got close to 19 million ohms.

I had all 3 stator wires hard wired, so I cut them for the stator test.....
 
520eek said:
R/R power wire is direct to battery via 25 amp in line dedicated fuse. The ground goes up to left side of frame into a sliding rubber boot and connects to a a red wire...I peeled back some of the heat shrink and measured from that connection to ground and got close to 19 million ohms.

I had all 3 stator wires hard wired, so I cut them for the stator test.....
Click to expand...
This is where your ground goes? I always just ran it direct to the frame or engine case.
 
I don't know why ... but it worked for a bit apparently. Now my stator seems to be fried. So no problems going direct to ground then? ( once stator is replaced ) Oh, and whats the best stator purchase now days?
 
You wired your R/R ground to a RED wire? Is that a stock red wire or something a previous owner installed?

ALL the stock ground wires on a GS are black with a white stripe.

Rick's stators are good, but many have also reported success with Caltric, at about half the price.
 
520eek said:
R/R power wire is direct to battery via 25 amp in line dedicated fuse. The ground goes up to left side of frame into a sliding rubber boot and connects to a a red wire...I peeled back some of the heat shrink and measured from that connection to ground and got close to 19 million ohms.

I had all 3 stator wires hard wired, so I cut them for the stator test.....
Click to expand...

A picture of that red wire would help a lot. If it's at the back of the left side of the airbox you could have the r/r ground wire connected to the 'other' entry point for the r/r positive.
 
520eek said:
...connects to a red wire...I peeled back some of the heat shrink and measured from that connection to ground and got close to 19 million ohms.
Click to expand...

I am not an electrical fundi, but when measuring from a connection to ground to determine if the connection is in fact connected to ground, then resistance should be ZERO ohms.

It rather looks like you connected your R/R earth to the bike's +ve wiring. Possibly your new SH775 is also fried now, together with the stator.

Look for posts by member "posplayr" and read links in his signature for tests and correct way to connect charging system.
 
As far as your backup plan to carry a car battery along, if it's a good battery it will last a good long time. If you have the capability to switch off the headlight, a very long time. My son ran a dead loss system on his old chop starting with a charged up motorcycle battery only, and would go 50 miles each way and always made it back. A car battery wouldn't have noticed. I ran a dead loss trike for awhile with a small series 24 car battery with headlight, good for a minimum of 2 1/2 hours. Points run with lower voltage available than EI, however. Not sure how noticeable the difference is.
 
520eek said:
Well....how bad off am I? For what it's worth, I ran it this way for at least 300 or 400 miles.
Click to expand...

Sorry I will not attempt to formulate tests to try and figure out how you wired your bike. You apparently wired the bike according to your own philosophy and have not even bothered to share in any meaningful way what that actually is.

If having no fires is a "thumbs up" for your charging system then go with that. :confused:
 
When I get home I can post pic and be more informative in that regard.
 
Here is the picture of "red wire"IMG_0028.jpg And...basically I had a major brain fart and misused multi meter yesterday. Recheck my stator and all is well
 
Also , here is a picture of general wiring associated with r/r.... IMG_0034.jpg So the brown wire from r/r connector goes up to in line fuse and battery, the other brown wire of the split goes to the "red wire".

Black wire goes to a engine ground and a negative battery lug that is on frame where air cleaner support used to bolt to. I have a heavy gauge cable from battery to this lug...maybe an 8' wire in length.

My final idea is to run a car battery in sidecar. Then, run the cable over to bike and use the negative lug, and make some sort of connection for positive in the area where the stock battery location would be...

I am quite sure that it wasn't charging at all yesterday, I suppose I could hook everything back up and recheck....hey, I rechecked my stator and look what happened! ( big duh on me)
 
It happens to everybody even engineers, when all else fails, go back to basics and recheck your measurements. Usually it is operator error v.s. failure of physics that is the problem.
 
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I think the bike is just bad and you could give it to me...I could use a spare. {I could shaddup too!}
Glad another 850G is alive and well...wanna see pics of the hack when done!
 
IMG_0019.jpg It's getting there....let me dial in the charging system and then hack goes on. Hopefully by the end of the month!
 
Brendan W said:
A picture of that red wire would help a lot. If it's at the back of the left side of the airbox you could have the r/r ground wire connected to the 'other' entry point for the r/r positive.
Click to expand...
so by reading this and looking at what I have done...I am thinking I am okay on install right now???
 
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