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Regulator/rectifier

Old 05-01-2013, 02:35 AM
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Regulator/rectifier

Will a rectifier from a 95 cbr900rr work on my vtr1000? The plugs and wires are the same.

Thanks dom
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Old 05-01-2013, 03:43 AM
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A Honda '95 R/R will probably be like this unfinned self-cooking version as fitted to VTRs from '97-'01 and is precisely what you should be looking to avoid.



Look for a finned version from a model '01 onwards - Here in the UK CBR125's ones work fine.

HONDA CBR 125 2004 REG REC CBR125 REGULATOR RECTIFIER | eBay
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Old 05-01-2013, 09:06 AM
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Originally Posted by 99superhawk_Dom View Post
Will a rectifier from a 95 cbr900rr work on my vtr1000? The plugs and wires are the same.

Thanks dom
"work" in a subjective way, yes. As well as you could expect an 18 year old inferior technology to work...
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Old 05-01-2013, 09:48 AM
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Originally Posted by Wicky View Post
A Honda '95 R/R will probably be like this unfinned self-cooking version as fitted to VTRs from '97-'01 and is precisely what you should be looking to avoid.



Look for a finned version from a model '01 onwards - Here in the UK CBR125's ones work fine.

HONDA CBR 125 2004 REG REC CBR125 REGULATOR RECTIFIER | eBay
my VTR is the 2002 with the finned RR but I opted to go for the R1 part for peace of mind. Better as far as I'm concerned because I don't think about the part failing while I'm in the boonies.
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Old 05-01-2013, 12:20 PM
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Ok the one that is on it now is a finned one and it failed. I have a 95 900rr sitting in the garage waiting for me to replace one of the rod bettongs and just thought hey this might work till the new one comes in.
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Old 05-01-2013, 05:54 PM
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I apologize for the thread jack but my 98 has a finned R/R on it unknown. how can I tell the difference between a stock VTR finned and an aftermarket version like the mosfet one i have read about.
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Old 05-01-2013, 06:27 PM
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The model number of the stock finned version starts with an "SH". A Shindengen mosfet replacement model number starts with an "FH".
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Old 05-01-2013, 09:58 PM
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Mine when out a couple months ago. I did some research andit is common for them to go out around 20k. I used the part # from the manualand the one I got was the correct part # but it says cbr 600 on it, whichpissed me off, because I so happen to have a broke 01 CBR 600f4i in my backyard. And lo and behold, they were the exact same. I tried them both out, andthey both worked like a champ. So I haveone for sale if you need one.
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Old 05-02-2013, 05:30 AM
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Originally Posted by Derek Perry View Post
Mine when out a couple months ago. I did some research andit is common for them to go out around 20k. I used the part # from the manualand the one I got was the correct part # but it says cbr 600 on it, whichpissed me off, because I so happen to have a broke 01 CBR 600f4i in my backyard. And lo and behold, they were the exact same. I tried them both out, andthey both worked like a champ. So I haveone for sale if you need one.
What you have is a failure prone, older design that while is a step up from the non fined original design, is still not the better choice.
Installing a mosfet is the better choice.. and if you're a Kit kind of person vs find your own components, the mosfet RR kit can be had for about twice the tinkers cost, but even at $130 or so a bargain to have the upgraded and almost fail proof RR on your bike.
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Old 09-25-2013, 02:42 AM
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Breathing a sigh of relief.

After identifying what i felt was a R/R issue at idle I searched these fine pages for a remedy finding the well documented MOSET retro-fit.

On receiving my roadstercycle.com kit I was shocked to find what I thought was a already exchanged MOSFET R/R in place.

Ok ok before you all start, yeah I probably would have been well served to actually open my tail up and see what was there already. Point taken, however the previous owner who had the bike from new told me it was totally stock and everything I have opened or investigated supported that, until this afternoon when the pic in the manual and the R/R looked different.. looked like it had already been changed?!

Superhawk Forum to the rescue. Indeed my 05' had a different 'finned' R/R in place of what the Haynes manual pictured. Once again thanks to forum members who have walked this path before I and asked all the relevant questions I now know the models late in the run had finned R/R's, however not MOSFET..

Outcome:
A: Breath again..
B: You have not wasted $130 on a part you don't need.

To add my 10c I'll include the pics I took so other can identify the same immediate concern I had... and in turn breath and feel safe they have not wasted there money.
Attached Thumbnails Regulator/rectifier-imag0083.jpg   Regulator/rectifier-imag0084.jpg   Regulator/rectifier-imag0085.jpg   Regulator/rectifier-imag0086.jpg  
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Old 09-25-2013, 02:45 AM
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And finally..

The new MOSFET F/F alongside the OEM job.
Yes they are right alongside each other.. that is the actual size difference with the kit from roadstercycle.com!
Attached Thumbnails Regulator/rectifier-imag0087.jpg  
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Old 09-25-2013, 06:54 AM
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Originally Posted by Blackbetty View Post
The new MOSFET F/F alongside the OEM job.
Yes they are right alongside each other.. that is the actual size difference with the kit from roadstercycle.com!
Your bike has an updated OEM finned diode based R/R.. Prone to failure just like the earlier model ones.

Use the MOSFET R/R and kit you purchased... after removing the old R/R, toss it in the bin.
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Old 09-25-2013, 07:41 AM
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That kit you bought looks to have the higher finned MOSFET R/R- you will likely have to grind some of those down to fit the plastics back on (If I'm seeing it right). They used those in a couple of Yamaha's but I forget which ones. Just to forewarn you!
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Old 09-26-2013, 03:25 AM
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Originally Posted by 7moore7 View Post
That kit you bought looks to have the higher finned MOSFET R/R- you will likely have to grind some of those down to fit the plastics back on (If I'm seeing it right). They used those in a couple of Yamaha's but I forget which ones. Just to forewarn you!
Cheers for that, was wondering how I Was going to fit it to be honest!
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Old 09-26-2013, 05:19 AM
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Originally Posted by Wicky View Post
A Honda '95 R/R will probably be like this unfinned self-cooking version as fitted to VTRs from '97-'01 and is precisely what you should be looking to avoid.



Look for a finned version from a model '01 onwards - Here in the UK CBR125's ones work fine.

HONDA CBR 125 2004 REG REC CBR125 REGULATOR RECTIFIER | eBay

I wonder if the '****' model designation is a Freudian slip .
Sorry Honda!.. love you
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