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Testing the stator

  • Thread starter Thread starter granny_rocket
  • Start date Start date
G

granny_rocket

Guest
After reading the "stator papers", I've concluded my R/R is toast! BUT before I go replacing it with a nice new electrix unit and burn that out because the stator is possibly bad, I want to test my stator, BUT I can not get the motor running to test its output. How can I bench test the stator to see if its good/bad so I don't waste my money blowing out a new r/r?

Thanks,
Al Conforti
 
I don't know if its a sure thing but....

I don't know if its a sure thing but....

I tested mine on 1-2, 1-3, 2-3, with an ohm meeter. I got a reading of about 1.2 ohm on all three circuits. My bike was in running condition so I did the running test as well with no R/R and it was fine. Once you get the R/R back on you can test it at the polls to be sure the whole system is fine. Be sure to work on all the connections as you go allong. I used some contact lube on every thing I could possibly find to clean and reconnect. Then I ran a new ground wire from the rectifier to the back of the motor where the battery ground is attached.
 
You can't really do a full bench test on it.

You can only see if it has a short.

Your ohmmeter should give very high ohms when contacted between every wire and the stator frame.

Very low or zero ohm reading on any of the three wires means a short, and the coil attached to it is bad.

You should do a further check, which is for continuity in each coil, as a break in the wire leading from the coil, while not causing a short, will also show no reading, but it it possible that it could be repaired.

Most often, it is not the stator that causes the R/R to go, but the reverse.

When you do the repairs, be sure to add an extra ground wire from the R/R directly to the battery, as well as the wire to the frame.
 
I also got a toasted r/r. For how much can you buy those things.
A guy in the motor store told me about 185 EUR, but that's more than my bike in total.

Somebody got an idea on a cheaper r/r?
 
CHeap alternitive use reg from 78-82 Honda CB/CL 450/550 etc. See reg modification it the tips and tricks section It works great I have one on my GS850 been on the bike for over 6 months No problems just make sure that you have a good ground between the reg and the battery Usually add an extra (heavy wire) wire fron the mounting bolt of the reg direct to the battery.
 
a r/r from a 78-82 honda cb/cl 450/550 is even more expensive to buy new.

Where do I get them cheap? At the wreckers? How will I know it works?

I checked the output from the stator. It was on all three wire about 70 V (4000rpm).
Then I hooked on the r/r and the only output it gives is on the red wire around the 12V and 13V. That's not enough I think.

I'm lost. If I would like riding so much I would give up.
 
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