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Discussion Starter #1
Since I replaced my stator I thought it might be wise to test my R/R, using the circuit check outlined in the manual, page 16-34. The rectifier circuit test is straightforward, and everything checked out okay. But the regulator circuit test requires 3 12V batteries and a 5W light bulb, which I don't have. My question is whether I can be confident that the R/R is working properly from only performing the one test? Sorry if this is a stupid question but electrical stuff has always been a bit of a mystery to me. Thanks for anyone's help who wants to chime in, and happy new year.
 

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Happy New Year, Versuvius.

IMO, the rectifier circuit test you did would be good.

At stop and at rest, a fully charged battery should show 12.8V DC.

At 1500 to 2000 rpm, voltage should be between say 13.8-14.2 V.

I believe the regulator should regulating the voltage not to exceed a value of 14.2V. Slowly throttle to increase the engine rpm will confirm this.

Keep increasing the rpm to say 6000 rpm and if all is good, the regulator would regulate and keep the DC voltage to below 14.2V. Keep this rpm high for a while to check the DC output.

If the voltage is well above normal and fluctuate abnormally, something is not right with the rectifier/regulator.

:goodluck:
 

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Discussion Starter #3
stlee, thanks for your feedback. What you say makes sense to me: the regulator working properly can be determined by testing the voltage of the battery at different rpm's. The bike has been put to bed for the winter, but I may drop the battery in and start it up for this purpose, just to give myself peace of mind. Cheers.
 
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