Posted: Thu Jun 08, 2017 7:05 pm Post subject: 75 CB125 converted to 12v, seems to be missing, then stalls.
Just converted my 75 CB125 to 12v. Replaced the rectifier with a regulator/rectifier, all LED lights... I had it running fine for a while. Now it seems to be missing and then stalls after it warms up. When I try to start it again it'll run for only a few seconds and then stall again with a pop.
Joined: Jul 10, 2008 Posts: 3091 Location: Galveston County, Texas
Posted: Sat Jun 10, 2017 8:48 am Post subject:
No replies in a couple of days and I hate to see that but I do wonder with the limited information given (no details on conversion) if the recent problem is unrelatedâ€¦just coincidental?
I really would not be of much help troubleshooting the conversion, if indeed a miss-step or an omission in the conversion is the problemâ€¦â€¦. but after reading just a bit about 6 volt to 12 volt conversion, the first two things that come to mind (maybe a couple of other components also mentioned in the links below) are the stator windings and ignition coil/coilsâ€¦â€¦..that is if they were changed in your conversion.
...and then there is the question of battery condition. Brand new or not, it should be tested with a multi-meter to see if it is fully charged .....12.6 volts or better. If it is showing a full charge, let it sit overnight not connected to anything and see if it is holding a full charge. A battery can be defective right out of the box and if a lead/acid battery...........if not filled and charged EXACTLY per the instructions, can fail prematurely. Better yet......test it with a mini hydrometer if it is a lead/acid battery.
By some step by step trouble shooting to see if you can eliminate the conversion and/or battery as the problem, you can, after some further description of what it happening hope to get some help from members here.
Below are some threads me thinks you have seen before but I post as reference for others who may be able to help you.
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