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Replacing the Regulator/Rectifier
The photo above shows the Rectifier/Regulator on the bike, with the connector unplugged. Remove your rec/reg by unscrewing the two bolts at the sides, lifting the cover-boot up out of the way, and then unplugging the connector. See photo below.
To install your new rec-reg, just bolt it on the bike, plug in the connector by just snapping it on, and then push the cover-boot back down over the connector. Done.
Reinstall the front exhaust pipe, preferably using a new exhaust gasket.
Tip: I do not recommend torquing the exhaust header-flange nuts, as the flanges on many aftermarket exhaust systems are thinner than stock, and bend easily. Just tighten moderately. Then after your first few rides, check the nuts again.
Reinstall the right-side floorboard assembly by torquing the two button-head bolts under the floorboard assembly using 35 ft-lbs of torque.
Then just reconnect the battery, bolt the side-covers on, and snap your seat back on. That's all there is to it.
Now you’re ready to add your favorite electrical accessories, knowing you won’t come out to a dead battery—at least not because your stator couldn’t cut it. You also won't be stranded somewhere because your rec/reg got fried.
Questions should be asked in our forum (Use discuss link below).
The forum is very active and you stand a good chance of getting your questions
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for the author, or have additional information you think will benefit others, please use
the comment section at the bottom of this page.
Discuss this article on the forums. (6 posts)
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accept any responsibility for the accuracy, applicability, or
suitability of this procedure. You assume all risks associated
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SHALL IN ANY EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, PUNITIVE, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OF ANY NATURE ARISING OUT OF OR IN ANY WAY
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Any type of modification or service work on your motorcycle should
be performed by a
If performed incorrectly,
this procedure may
endanger the safety of you and others
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|Less amp draw|
Written by scottie409, on 05-04-2013 16:57
One option is to reduce the amperage draw on the marginal charging systems on Roadstars is to reduce draw by using led headlights and passing lamps as well as signals etc.
my 2000 has stock alternator and have had no issues with killing battery and have lots of accessories.
Written by scottie409, on 10-16-2012 10:20
Has anyone sorted out the output of aftermarket stators yet?
Lots of conflicting info out there. eg 31amps vs 21amps for stock yamaha part.
Written by scottie409, on 09-21-2012 13:08
Just got an e mail from Ricks motorsports with the following recommendations for my 2000 Roadstar 1600.
You can actually use our part# 21-419H for the 1700. It will bolt on and give you a little more power because it’s a different type of wind than the one for the 1600 Road star. On the rec/reg – our part# 10-419H is 50 amp unit made with Mosfet technology.
I hope this can help someone else as there is a lot of confusion about the amperage output of the stock units especially model year 05 and up.
|Update for ShinyFlash|
Written by easyrider003, on 08-14-2012 09:24
@ShinyFlash - I had a 2005 Road* sold it and ended up buying another one that is a 2000 model. On my 2000 model I added a stereo and adapter to plug in a GPS. It drained the battery like crazy.
Now when I had the 2005 Road* I had passing lamps, motorcycle alarm, stereo, and accent lighting underneath the tank and floorboards. No problem whatsoever with battery life. I just ordered a 2005 stator and rectifier today about an hour ago. Waiting to getting the parts in and replaced. I am very optimistic that this will solve the previous problems I was having. I will update when I find out.
|2001 Road Star Silverado: Stator coil as|
Written by justdave, on 05-25-2011 15:11
This is a GREAT step by step explanation.
My 2001 Road Star Silverado stator coil assembly resistance is 0.9 ohms; twice what it should be. Therefore according to the service manual I need to replace the stator.
Does anyone know IF Electro Sport Industries have a stator & matching rectifier / regulator available at this time?
I planned on going on the Rolling Thunder ride this Friday but now I am concerned that my bike will leave me stranded along the way. Will this excessive stator resistance drain my battery?
|Written by Rodedogg, on 04-14-2010 15:20 |
put a new rectifier in no is charging 13 -14.7 is that to much
|Written by Grizzly4444, on 12-17-2009 21:38 |
Check with ElectoSport Industries ...they have (or soon will have) what you need....high output stator and matching reg/rectifier.....like a lot of other fellas ...I'm waiting patiently for this new product too
|Does anyone know where I can get a HO St|
Written by Shiny Flash, on 10-24-2009 11:41
I've got a 2000 MM Limited, the stator won't put out enough power to run my road lights and triple whammy at the same time, everyone around here that had R* said try it on a long run so I did guess you know the answer, rode 50 miles all highway speed 60+ got where I was going and shut the bike down for just guessing about a hour, went out and it acted like the compression release wasn't working, (slow spin to first cyl and stop) one guy at the bar had a multi-tester checked the battery and got 9.8 volts, another had jumper cables so he got me going after much cussing and kicking rocks, Rode the bike home another 50 miles, with the rode lights off and let the bike set over night, next morning it started like a new one. I checked the battery cables, connections in the starter wires, the connection at the rectifier the whole shooting match all were clean and making good connection. Then I read this topic. Well I started my hunt for a HO stator, Electrosport, baron, and any that carried stators, no luck nada, no one has one for Road*, oh they list them but they never get any in. Then I remembered in the artical someone said the later model stators were better so I started my big buck search, that didn't work out either, talked to the local Star dealer about one he said the 05 stater was the one for me, I told him get me one and guess what, the part number for the 05* is the same as the 2000, thought the part number on the invoice looked familiar, he checked his computer and sure enought the same part number 99-07. Now what do i do? Sure would like to run the road lights on but can't. Does anyone know a place a guy can get a sure engough High Output Stator????
|Written by monkeyboy1969, on 09-18-2009 18:46 |
My bike is a 2002 XV1600. The stator on a 2002 is rated at 21 amps. The "upgrade" dropped me to 20 amps. All the info is from YAMAHA. They suggested a replacement from Rick's Motorsport and Electric. As soon as I can find the rating for their replacement (21-414H Hot Shot New Stator) I might give it a try. Just trying to keep anybody else from making the same mistake.
|Written by Gram, on 12-09-2008 13:07 |
monkeyboy1969, I believe Randy says this article is for 99-04's. Sorry you had the trouble. And thanks for putting your note in so others don't make the same mistake.
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