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Honda FireBlade Discussion of the Honda CBR 900RR, Honda CBR 929RR, Honda CBR 954RR, and Honda CBR 1000RR Motorcycles.

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Old 05-01-2006, 4:03 PM   #1
 
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Stator or RR

OK.....relatively new battery(less than 1 year)voltage throughput while running.....13.1....no drain while not running...fire her up and ride for a bit and when I go to start her up...dead....

looked at alot of threads and tried all procedures for testing....

continuity check on stator show .6/.5/.6 Ohms on all three pins

voltage output at 4500rpms about 48v/1v/35v

completely contradictory readings...voltage should read +65v on all three pins...

so...can the stator have good continuity and still put out almost no voltage?
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Old 05-01-2006, 4:20 PM   #2
 
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Re: Stator or RR

Even if the stator has shorted windings, it will still have a continuity check. A bad stator will drop voltage on one phase as you have found out. I was reading over 400 volts at high rpms on my new stator. Have fun!
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Old 05-01-2006, 4:54 PM   #3
 
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Re: Stator or RR

Drat...the pesky "I keep getting a dead battery" gremlin has hit me! Hat to fork out the $$ for a stator only to find out its the RR...!!


I thought the stator would still pass a continuity check even though it was bad...just needed some others input. Spark chasing is not my forte'
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Old 05-01-2006, 6:03 PM   #4
 
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Re: Stator or RR

Sometimes electrical gremlins can be a bit irritating. This past Winter I replaced the Battery (which needed to be replaced anyway) when my bike would die on my. Next on the list was the Stator, it just didn't seem to satisfy me. I figured it was old as well, so I replaced it. Still a no go with the charging. Regulator replacement was essential at this time.

All of the components making up the system have now been changed while chasing one gremlin. Come to find out I would have been OK if I had just changed the regulator. I pulled the new Stator just to see if the old one would charge correctly and it did and still does. Now if the Stator ever does go out I have a new one on the shelf waiting.
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Old 05-01-2006, 9:06 PM   #5
 
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Re: Stator or RR

after a couple conversations and some more multi-metering...its been concluded that it is indeed the stator that has gone Kaput...so....replacement or re-wind is the question...$15 in copper and 4 hours labor or $150 aftermarket or $250 OEM for replacement...

anyone here ever rewound a stator or alternator??

found a really great article on the GS resources forum.."the stator papers"...(i know its a Suzuki page) on how to re-wind a stator.....doesn't seem too difficult..

here's the link...interesting!
http://www.thegsresources.com/gs_garage.htm
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Old 05-01-2006, 9:14 PM   #6
 
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Re: Stator or RR

It can definitely be done, but I have no idea what it entails. I would just buy another Stator and know that it's going to work.
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Old 05-05-2006, 10:46 AM   #7
 
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Re: Stator or RR

I ordered my stator from Rick's courtesy of a local shop. It was reccomended over the electrex unit by a mechanic. Dropped it in with no problems whatsoever and bang...she fired right up and runs better than it did for the last 5K miles. The stator was definately TOASTIE! 2/3rds of it was darkened, 1/3rd was burnt..pics to follow.

While I may be a great mechanical guy...electric systems are not my forte and I could NOT have troubleshooted and diagnosed this problem without the invaluable input and experience on this board! my stator search turned up lots of great info.

Anyone looking to replace a stator...it really very easy. Testing it was not difficult either once you know how. A digital multi meter from sears @ $10.00 and this site.. saved me hundreds!
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Old 06-05-2006, 4:13 PM   #8
 
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Re: Stator or RR

Originally Posted by fst929
I ordered my stator from Rick's courtesy of a local shop. It was reccomended over the electrex unit by a mechanic. Dropped it in with no problems whatsoever and bang...she fired right up and runs better than it did for the last 5K miles. The stator was definately TOASTIE! 2/3rds of it was darkened, 1/3rd was burnt..pics to follow.

While I may be a great mechanical guy...electric systems are not my forte and I could NOT have troubleshooted and diagnosed this problem without the invaluable input and experience on this board! my stator search turned up lots of great info.

Anyone looking to replace a stator...it really very easy. Testing it was not difficult either once you know how. A digital multi meter from sears @ $10.00 and this site.. saved me hundreds!
So, where's the pictures!? I'm having what sounds like the same problem as you. I'll be following the advice of other threads on this site to do the troubleshooting, and I really don't like the sound of replacing the R/R and the stator, seeing as I just bought a new battery (and now I found out that my battery may have been fine )...I've also been having trouble finding info on the Rick's stator and R/R...I've only seen one instance where it failed after 2yrs, so I'm a little leery of going that route...

Thanks for the good thread!
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Old 06-08-2006, 10:58 AM   #9
 
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Re: Stator or RR

Follow up......got one good ride out of the bike before she **** the bed again.....turns out the reg rectifier went as well as the stator.

so...the question remains...which went first...or which caused the other to go...not sure.

I had my reg rect tested and all 6 diodes are shot....may have roasted the new stator. It is getting pulled this weekend and tested. My reccomendation....if you test the voltage on the stator and its really low(shot)...make sure you pull the reg/rect and have someone test continuity ...looks they both go as a pair...again which one goes first ?? may as well ask how many licks to get to the center of a tootsie roll tootsie pop...the world may never know!
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Old 06-08-2006, 3:15 PM   #10
 
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Re: Stator or RR

Well, I ordered a RR from Rick's...

I followed some steps to diagnose the problem, and that's what it pointed to(http://cbrworld.net/forums/permalink...ad.aspx#140473)....

From the sound of it, I'm going to install my RR, and going to find out that my stator is toast....how did you check the stator output? Could I do this knowing that my RR is bad?
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Old 06-11-2006, 3:23 PM   #11
 
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Re: Stator or RR

Originally Posted by PrplHaz4
Well, I ordered a RR from Rick's...

I followed some steps to diagnose the problem, and that's what it pointed to(http://cbrworld.net/forums/permalink...ad.aspx#140473)....

From the sound of it, I'm going to install my RR, and going to find out that my stator is toast....how did you check the stator output? Could I do this knowing that my RR is bad?

Before you ride/run the bike with the new Reg Rectifier....check the stator. You dont want to have to replace the reg/rect AGAIN...

With 3 pin plug from Stator disconnected...start bike and check V ac on all three pins. Neg in #1 Pos in #2...Pos in #3...then Neg #2 Pos #1...Voltage AC should be about 65-75V at 5K rpms. As for continuiuty...take it in...I still dont get it right..LOL
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Old 06-13-2006, 6:17 PM   #12
 
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Re: Stator or RR

Originally Posted by fst929
Before you ride/run the bike with the new Reg Rectifier....check the stator. You dont want to have to replace the reg/rect AGAIN...

With 3 pin plug from Stator disconnected...start bike and check V ac on all three pins. Neg in #1 Pos in #2...Pos in #3...then Neg #2 Pos #1...Voltage AC should be about 65-75V at 5K rpms. As for continuiuty...take it in...I still dont get it right..LOL
Haha...funny you say that...

Before I read this post, my RR came in the mail, and I was excited to get my bike back up...just happened to decide to check the stator before, since people had seen problems with both parts, turns out you were right, it was my stator that was bad (now I'm starting to think my RR was fine)...

Oh well, now I'll have a brand new charging system when my stator comes...any tips on installing that?

For anyone else reading, make sure you check your Reg/Rec AND Stator before you order parts...
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Old 06-14-2006, 4:52 PM   #13
 
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Re: Stator or RR

Im having troubles with my 929 charching system also, and the first place I looked was the stator. I pulled the cover and removed the stator and found half of the windings were burnt black and a broken copper wire with all the finish cooked completly off. My voltage readings across my battery with the bike running was 12.46 with a fully charged battery @ 6000rpm. The stator ohmed out at 0.1 across each leg. I know this is with in the spec but since I saw the broken winding I thought it must be the stator. So now I install my new stator and put the bike back together and still have the same voltage off the battery @ 6000rpm 12.46 or so, talk about frustrating. I just placed an order a RR today and it should be here on friday.
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Old 06-14-2006, 5:23 PM   #14
 
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Re: Stator or RR

Just did a ac voltage check on the new stator. I have over 70 on two legs and zero on the other. It ohmes out with in spec to. The dealer is going to order me a replacement along with the RR. Does anyone now how to check the RR ? I cant find any info on this.
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Old 06-19-2006, 4:21 PM   #15
 
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Re: Stator or RR

Tips on installing a stator....just make sure you have a new gasket...and it takes a little wiggling around due to the magnets.


You need to do a continuity check on the reg rect...if you arent sure, just take it in. I checked mine and then took it in to be double checked. They did it for free, it takes 20 seconds to do.

After having futzed around with mine...here is my opinion(no expert)

Check Voltage AC from Stator as well as continuity check if your stator is bad, check the reg rectifier...odds are it is bad also. Again the chicken or the egg..

Now...for some good news those of you looking for alternatives to a new $300 OEM or $150 rewound one.

for $12.00 in 17.5 ga hi temp copper magnet wire and $11 in hi temp epoxy, you can rewind your own. Its actually pretty simple. The GS Souce web page has a link to thier "stator papers". I am 1/2 way through doing mine and except for the blister on my finger from pulling the windings tight...all is well.

More good news..after ALOT of snooping around, it turns out there are ALOT of other makes and models which use the EXACT same stator as the 96-99 900rr and 00-01 929. here is the list I have come up with so far. I advise anyone to double check me before buying one but I got this information from Electrex's and RM Stators sites by cross referencing ...For you e-bay hounds...you will note that a used stator for a virago does not demand as much as one for a 929..same goes for an Ascot stator...anyway...here is my list


Part number ESG070

Honda Models
VT500C Shadow 83-86
VT500FT Ascot 82-84
VT/VLX600 Shadow 88-01
Cbr900rr 96-99
Cbr929rr 00-01

Suzuki models
VS800 Intruder 92-04
VL1500 Intruder 98-04

Yamaha models
XV535 Virago 87-96
XZ550 Vision 82-84
XV750/700 Virago 86-95
TMD850 92-93
XV1100 Virago 87-97

BMW
F650 97-01

Aprillia
SL1000 falco 99-02
RSV Mille 99-02
Futura 99-02

Reg Rectifiers

VFR 01-05
F4i 01-05
600RR
1000RR
954rr
VTR1000 01-05

Last edited by fst929; 06-19-2006 at 4:40 PM.
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