Alternative choices for rectifier/regulator?

[Cyprus Joe]

Hi guys

I have a 99 M750 which recently had the battery go out.  I took it to the Certified Ducati mechanic who told me to try a new battery.  About 1 month later, the new battery went out.  After looking through this board and reading lots of good info, I tested the electrical system and found that the regulator rectifier was bad.  It was sending 16-18 volts to the battery while revving. I took it off and found that two of the diodes were bad.  Now I need a new regulator rectifier.  The dealership here wants 100 euros for a new one (I am in Cyprus) and says it will take 4 days from Italy.

I would like to hear about alternatives to the Ducati stock rectifier regulator.  I plan to add some led turn signals and brake light in the future.  If there is a cheaper alternative anyone knows about, this would be great.  I saw some threads about switching to a123 cells or using a lithium ion battery -- maybe it would be a good idea to make the change now that I have to get a n battery also?  For different types of batteries do you need a different regulator/rectifier?

Thanks for your help guys

[koko64]

Firstly welcome Joe. My family originally come from Cyprus.

If you check out the forum sponsors you will see regulators from the US. I'm thinking that â,¬100 is not too bad a price if you add shipping into the equation. Some people have converted second hand regulators off Japanese bikes to fit, but they have to have matching specifications.

[He Man]

The only real difference between the OEM ones and the slightly higher priced ones are just a beefier design. There are some that are more technologically advance, and they can cost up to twice the OEM unit price.

Ive swapped an older bike out with one from a 1198 (certain years had a recall on defective batches for the earlier 1098) with out issue. you can generally pick up a used on for $30-50 that has been use lightly and will for the most part work for a while before it fries.

[Howie]

http://www.electrexworld.co.uk/acatalog/RR53.html if 3 phase (three wires from stator) or use this guide 

http://ricksmotorsportelectrics.com/proddetail.php?prod=10-125H&pmc=OTlEdWM5MDBNT05TVEVS

[craig697]

Try RM stator in Quebec Canada, RR's start at $69 usd and are beefier then oem. Don't know what shipping would be to Cyprus.

[Cyprus Joe]

Thanks for the input guys
I'll probably just order one from the dealer.  Used ones are pretty scarce around here.

[suzyj]

Shindengen FH020AA or FH012AA

for example: http://motoelectrixcom.myshopify.com/products/shindengen-fh012aa-regulator-w-connectors

They're not a direct plug-in replacement for stock (you'll need to crimp connectors), but they run cooler and are more reliable.

[Speeddog]

I've been doing some research on this.

Found a veritable treasure-trove thread from the folks who ride UK hardware:
http://www.triumphrat.net/speed-triple-forum/104504-charging-system-diagnostics-rectifier-regulator-upgrade.html

[beethoven]

Another Triumph thread on different type with thermal images.

http://www.triumphrat.net/sprint-forum/232613-replaced-my-fh012aa-with-series-type-regulator.html

[monsterknut]

Is it possible to use this RR on a 2 phase M900 94 mod ? http://motoelectrixcom.myshopify.com/products/shindengen-mosfet-fh012aa-regulator-rectifier-kit

[JoeB]

If you have a single phase stator, and you need a new regulator, I'd be tempted to replace the stator with the later 3 phase stator and use a mosfet regulator. Otherwise, according to the manufacturers statement you can use that kit on a 2 wire (single phase) stator as well as the 3 phase. There are other threads on the forum regarding the mosfet reg/rec's and they are very reliable, compared to the diode bridge reg/rec's. run much cooler, also, consider relocatin the reg/rec to an area where the airflow is better and ambient temp is cooler (under seat for example)

[monsterknut]

If i replace the stator with a newer 3 phase one , can i then use the same engine cover and generator  i now have on my  single phased engine? I have a working OEM RR installed now , but i dont trust it. I had an new Electrex RR51 (?) installed after my first OEM RR crashed ,and the RR51  was no good ( charging 15,1 V on high idle , causing acid fluid damage ) . I would be very happy if i could eliminate a potential RR breakdown , so i will be happy for suggestions on RR alternatives for single phased Ducs !