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So I have an '80 CX500 & an '82 that i'm now building.

Have an OK knowledge of the '80 now but know the '82 is different.

Unfortunately the different parts are the parts that are missing.



As I understand it the '80 uses a CDI & the '82 uses a TI & spark units. Is that right?



Are the Regulator/rectifiers swappable between the two or are they different as well?



Gonna be searching for some of this on the forum & online as well but figured I'd go ahead and ask here at the same time.
 

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...As I understand it the '80 uses a CDI & the '82 uses a TI & spark units. Is that right?...


Correct.



...Are the Regulator/rectifiers swappable between the two or are they different as well?...


The regulator/rectifiers have different part numbers between the two years so they are not identical. An '82 R/R should work on an '80 bike with no problems.



Most likely an '80 R/R will work fine on an '82 bike, too. I'm hedging a little because the '82 stator puts out more power than an '80 stator, so the R/R will have to dissipate more power and may run hotter.
 

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Like Dave says the RRs may have different numbers but they will most likely both work.They are just 12v 3 phase Regulator/Rectifiers and so long as their current rating is high enough they will work.



I think when I researched these,



http://cgi.ebay.com/ebaymotors/PODt...8242213QQptZMotorcyclesQ5fPartsQ5fAccessories



They could be used as a substitute if required.I seem to recall they can handle well above 30 amps.



Basically the RR has 5 wires.Three the same colour that attach to the Stator wires and then a positive and negative.
 

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My bike is an "81 {CDI model} running a Raymodule to power the CDI. It is fitted with the later model {TI} stator but retains it's original reg/rec unit.



Has been running like this for 8 or 9 months now and the reg/rec appears to cope O.K..
 
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