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Discussion Starter #1
She is goosed so I ordered a new one. Is this a common problem with the k5-6 thousands and other years.


I checked the charging system and the stator resistance was 100% (.8/.9) but the rec failed most of the diode tests.

So my question , is there anything that can cause this fucker to fail, even if the stator alt v is good and the resistance good and the battery good.

forgot to add, I did not go with a used one of flea-bay and a new oem Suzuki was 170e ballpark & plenty of HK/China ones for like 10cent free delivery :) so I ordered a German made MTP racing one, that on the page stated not china ware lol,


thanks lads, all advice greatly appreciated
 

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So my question , is there anything that can cause this fucker to fail, even if the stator alt v is good and the resistance good and the battery good.
Age/Use

My 750 K6 regulator died after 7 years, the reason for that was a brand new alternator AND battery, making the regulator the oldest in the chain
getting pumped by a good alternator, while having a battery that didn't lose much of it's charge spelled it's demise
(agreed, it's regulator location wasn't the most brilliant idea Suzuki engineers came up with, but it could have held out a few more years)
 

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Discussion Starter #3 (Edited)
Hey how are ye.

I just wanted to update on the new Reg/Rec I purchased.
The OEM ones were very expensive , anywhere well over the 100euro, I still was not going to cheap out on one of these units and the used ones on fleaBay war in the 40€ and up.
I found a German made from a company called MTP RACING for 45€ (£38)($50) and shipping was with DHL and only 10€.

I am running her now for a few weeks and she is 100% doing the job and well. She is a bigger as in thicker than her oem cousin and fitting her is a slight bit harder as because she is thicker for better cooling, you have just to take the battery out so you can push the oem bolts right up if you get me so she can slip in, no biggy basically.

I wanted to do a good few miles on her before I threw up a post on how she was working and its working well and the extra size with the bigger heat displacement fins makes the units cooling much better and efficient than the oem (Zee Germans, cant beat them unless its a world war :)).

This K6 unit also fits many more models incl busas , gsr's etc and for the price I am well happy.
You can get them on fleaBay or through the companys own german web store and they also manufacture levers, screens etc etc , hit em up at https://mtp-racing.de/

MTP REG/REC Regler Suzuki GSXR600/GSXR750 GSXR1000, GSF1250, GSF650, 45,90 €

and if you have the extra few quid , the Mosfet are meant to be the best
and it comes with the adapter or it can be purchased seperatly

appreciate the comments , chat to ye.
 

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I haven't bothered to look into this in detail but their MOSFET regulators look like Shindengen products, a Japanese company. See here. FH020AA is a Shindengen PN.
 

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Discussion Starter #5
I haven't bothered to look into this in detail but their MOSFET regulators look like Shindengen products, a Japanese company. See here. FH020AA is a Shindengen PN.
yup cheers, I generally believe that they would be a genuine shop, not selling re packed chinaware but there is always a doubt :)
 

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If you search for FH020AA regulator, there are many sellers with prices as low as $20. But they tend to say "replaces Shindengen" instead of "Shindengen". There's info about real vs fake here. The real ones tend to cost over $100 and sellers tend to try bundling wiring kits with them at significant markup. It also can be found as Yamaha 1D7-81960-00-00 but here again watch out for "replaces". I don't think that the mounting holes line up with ours.

I gather that the FH020AA is a shunt regulator like ours but uses MOSFETs instead of SCRs and this reduces the heat generated, not hugely but it helps. But there also are "series" regulators (not sure but they may also be referred to as linear regulators) that run significantly cooler. The Shindengen SH847 is one. But it costs more like $200, there aren't many sellers, and not much information is available about it, including the Shindengen website.
 

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Discussion Starter #7
If you search for FH020AA regulator, there are many sellers with prices as low as $20. But they tend to say "replaces Shindengen" instead of "Shindengen". There's info about real vs fake here. The real ones tend to cost over $100 and sellers tend to try bundling wiring kits with them at significant markup. It also can be found as Yamaha 1D7-81960-00-00 but here again watch out for "replaces". I don't think that the mounting holes line up with ours.

I gather that the FH020AA is a shunt regulator like ours but uses MOSFETs instead of SCRs and this reduces the heat generated, not hugely but it helps. But there also are "series" regulators (not sure but they may also be referred to as linear regulators) that run significantly cooler. The Shindengen SH847 is one. But it costs more like $200, there aren't many sellers, and not much information is available about it, including the Shindengen website.
I did not purchase the FH020AA Unit, the only unit listed for my model after I imputted into the sites make/model field was this MTP3427. Im going to email them there to ask. When my oem unit failed it fried my HM Quickshifter.
Do you think this k5/6 one is a Shindengen shunt reg/rec unit as It does not list it in the description compared to their other units for different models for the same price of 45eu and 90 for the Mosfit.
there was no country of manufacture on the unit, and the box it came it was a German .Part Number MTP3427
and unlike the other ones listed in the description on their website MTP Racing it does not say "Shindengen reference number XXXXXX "
It cost 45euro and Id defo recommend her and the ones listed for other models for anyone looking.
 

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The MTP3427 has a stylized "S" in front of the PN. It's also associated with the website but I don't understand how it relates to mtp-racing24. They are not a R/R specialist so it seems unlikely that they make them. Their FH020AA is priced at or below the cheapest that I can find them (real ones) in the US. 45 euros sounds too cheap for a quality regulator. But what do I know? My only other thought is that when cheap Chinese regulators fail, they oftentimes take out the ECM.
 

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Discussion Starter #9
The MTP3427 has a stylized "S" in front of the PN. It's also associated with the website but I don't understand how it relates to mtp-racing24. They are not a R/R specialist so it seems unlikely that they make them. Their FH020AA is priced at or below the cheapest that I can find them (real ones) in the US. 45 euros sounds too cheap for a quality regulator. But what do I know? My only other thought is that when cheap Chinese regulators fail, they oftentimes take out the ECM.
that would be no good
 
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