Misc: Charging Systems High Charging Current Advice Needed

[Rob H]

The bike is fitted what I understand to be called a Chinamo, but has always seemed to produce a high charging current (3 to 4 amps) when cruising no matter what state the battery charge is. I have checked the calibration on the ammeter and it is pretty accurate. The last time I was out the battery got quite hot and packed in altogether, a previous larger battery was found to be slightly swollen when replaced.

I initially thought it may have been the voltage regulator and replaced this with a modern electronic type but did not seem to make any difference to the charging current shown on the ammeter.

Is this level of charging current normal?, grateful for any advice

regs

 

[Albervin]

Do you run the bike with the headlight on? What type of battery are you using? What regulator are you using? Some regulators require wiring changes from the generator to work properly.

 

[Rob H]

Hi, thanks for the reply, don't run with the headlight on, have been using gelmat type batteries, don't know what regulator is fitted but the electronic one I tried was a DVR2 from Dynamo Regulators https://www.dynamoregulators.com/

 

[van drenth]

Most probely a earth problem, have one negative connection direct to the battery.
Regards,
van Drenth JC

 

[Rob H]

If have checked the earth paths from the ufm, rfm, forks and engine and all are OK ie no resistance.

 

[Rob H]

Found this, sounds like the same problem

Misc: Charging Systems - Chinamo over charging.

Hello, a novel problem my Chinamo is over charging. Originally I used a JG this started to over charge so I changed the battery no improvement. So I changed the regulator for a DVR2 unit, no change as this was some years later I fitted another new battery, no change. i have now changed the...

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