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It seems my "alternator" has died
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It seems my "alternator" has died - November 1, 2011, 09:57 PM

Looks like my alternator died tonight. My battery is good and is regularly on a trickle when i'm not riding for 2 or more days. When i rode home tonight my lights went dim and upon pulling into the driveway it stalled. After the stall the bike had lights but they were even more dim. The bike would not start so I pushed it up the driveway. It did however try to start so I believe my starter is perfectly fine. What part/parts should I be looking for? Normally I would say "alternator" but it looks like they are listed as "generator" and in multiple pieces.


2001 Kawasaki ZX6R: Yoshi slip-on
1999 Trans AM WS6, Long tubes, full exhaust, extra sexy
2006 GTO 6spd, 1 of 390 Silver, SLP LM1 (Sold)
2001 R1; blue, Yoshi slip on (sold Jan 12, 2012)
(RIP) 2000 Camaro SS
1999 Trans Am Ws6 30k miles, 6spd (sold)
1999 Camaro coupe 6 cyl (traded in after a week to get the SS)
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Meh
 
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November 2, 2011, 01:38 AM

Rectifier and battery/electrical connections.
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No more 1050 :(
 
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November 2, 2011, 03:53 AM

^ quite possibly this.


Your bike doesn't have an alternator, it has a stator. Will (usually) be on the left side of the engine approx opposite the clutch. Big round cover. You might have a fried coil in there. Not hard to replace yourself if you are comfortable holding a wrench.
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November 2, 2011, 09:04 AM

Check your shop manual- usually you can test the stator for shorts to ground by unplugging it and testing each lead with an ohm meter to ground (none should be shorted to ground) , then test lest for continuity between the coils (they should show some set resistance between them). With the bike running, the stator should be putting out over 20 VAC, even at idle. On some bikes a stator swap is easy, on others you have to drop the engine and open the case.
As Blackhatch said, it is likely a bad voltage regulator, or rectifier, or connection between them and the battery. A dying battery could have intermittent shorting issues that would seem like a stator problem. Check all your connectors for corrosion or blackening/melting from a bad connection. They should be shiny, or protected by dielectric grease.

Last edited by phogroian; November 2, 2011 at 09:52 AM..
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November 2, 2011, 12:00 PM

Quote:
Originally Posted by drz1050 View Post
^ quite possibly this.


Your bike doesn't have an alternator, it has a stator. Will (usually) be on the left side of the engine approx opposite the clutch. Big round cover. You might have a fried coil in there. Not hard to replace yourself if you are comfortable holding a wrench.

ah the big circle that everyone always F-s up when they lowside?


2001 Kawasaki ZX6R: Yoshi slip-on
1999 Trans AM WS6, Long tubes, full exhaust, extra sexy
2006 GTO 6spd, 1 of 390 Silver, SLP LM1 (Sold)
2001 R1; blue, Yoshi slip on (sold Jan 12, 2012)
(RIP) 2000 Camaro SS
1999 Trans Am Ws6 30k miles, 6spd (sold)
1999 Camaro coupe 6 cyl (traded in after a week to get the SS)
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Elite Racing
 
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November 2, 2011, 12:03 PM

I personally would start with the rectifier first.


Chris
Elite Racing
CCS AM #458

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November 2, 2011, 12:16 PM

hahah read that wrong


2001 Kawasaki ZX6R: Yoshi slip-on
1999 Trans AM WS6, Long tubes, full exhaust, extra sexy
2006 GTO 6spd, 1 of 390 Silver, SLP LM1 (Sold)
2001 R1; blue, Yoshi slip on (sold Jan 12, 2012)
(RIP) 2000 Camaro SS
1999 Trans Am Ws6 30k miles, 6spd (sold)
1999 Camaro coupe 6 cyl (traded in after a week to get the SS)

Last edited by HumanNippy; November 2, 2011 at 12:22 PM..
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November 2, 2011, 12:23 PM

Quote:
Originally Posted by Castle View Post
I personally would start with the rectifier first.
Quote:
Originally Posted by HumanNippy View Post
which would you start with?
Quote:
Originally Posted by Castle View Post
I personally would start with the rectifier first.


Nice edit. But I got it.


Chris
Elite Racing
CCS AM #458

Godspeed Bam Bam

VFR Matt: gotta be a winner at something. Cant reach for the stars mind well be king of suck
tecknojoe: we could get together at my house and mount my trailor
vonstallin: whack one off 4 me henrey
thefitzvh: I'm the assholist asshole that ever assholed
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November 2, 2011, 12:24 PM

I guess it sounds simple but what is the rectifier. I am just getting into working on my bike. hahaha damn you're quick


2001 Kawasaki ZX6R: Yoshi slip-on
1999 Trans AM WS6, Long tubes, full exhaust, extra sexy
2006 GTO 6spd, 1 of 390 Silver, SLP LM1 (Sold)
2001 R1; blue, Yoshi slip on (sold Jan 12, 2012)
(RIP) 2000 Camaro SS
1999 Trans Am Ws6 30k miles, 6spd (sold)
1999 Camaro coupe 6 cyl (traded in after a week to get the SS)
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November 2, 2011, 12:28 PM

Rectifier - Wikipedia, the free encyclopedia

Not sure where it's located on an R1. Maybe try a search over on the R-1 forum in the How To section.

Or maybe someone else will be along shortly to offer assistance.


Chris
Elite Racing
CCS AM #458

Godspeed Bam Bam

VFR Matt: gotta be a winner at something. Cant reach for the stars mind well be king of suck
tecknojoe: we could get together at my house and mount my trailor
vonstallin: whack one off 4 me henrey
thefitzvh: I'm the assholist asshole that ever assholed
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November 2, 2011, 02:24 PM

Is your bike a kawasaki? Stators go bad a lot. Mine fried. I bought the part for around $220 and installed it. Wasn't too hard.
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November 2, 2011, 02:32 PM

Quote:
Originally Posted by david636 View Post
Is your bike a kawasaki? Stators go bad a lot. Mine fried. I bought the part for around $220 and installed it. Wasn't too hard.
I'm assuming it's his R-1, though he hasn't clarified, based on his signature.

And if it were me, I'd try the rectifier first. Rectifier for an R-1 on BikeBandit is $98. Stator is $225.

And it's been my experience that some of the older year Yammi's have rectifier issues.

One may even be able to find a used/spare rectifier for sale on another forum such as R-1, WERA, NESBA, Fleabay, etc.


Chris
Elite Racing
CCS AM #458

Godspeed Bam Bam

VFR Matt: gotta be a winner at something. Cant reach for the stars mind well be king of suck
tecknojoe: we could get together at my house and mount my trailor
vonstallin: whack one off 4 me henrey
thefitzvh: I'm the assholist asshole that ever assholed
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November 2, 2011, 03:29 PM

As others have said,I'd start with the rectifier.I've had 2 go bad on me(Suzukis).

They're usually located along the tail section and sometimes they like to show you that they have gone bad by melting the tail fairing or the wiring connector.


ALL MY HEROES ARE RUSSIAN...GO CAPS!

Well you see, Norm, itís like thisÖA herd of buffalo can only move as fast as the slowest buffalo. And when the herd is hunted, it is the slowest and weakest ones at the back that are killed first. This natural selection is good for the herd as a whole, because the general speed and health of the whole group keeps improving by the regular killing of the weakest members. In much the same way, the human brain can only operate as fast as the slowest brain cells. Now, as we know, excessive intake of alcohol kills brain cells. But naturally, it attacks the slowest and weakest brain cells first. In this way, regular consumption of beer eliminates the weaker brain cells, making the brain a faster and more efficient machine. And that, Norm, is why you always feel smarter after a few beers.-Cliff Claven

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November 2, 2011, 04:29 PM

Here's what I would do: Diagnose the issue before you start spending money on parts.

Test battery: Charge battery and load test - Most auto stores will do this for you for free, or you can do it yourself even without a load tester by making sure the battery is fully charged and check voltage while cranking which should not drop below 9 volts and recover quickly when you stop cranking.

With engine running check voltage across battery. Specs vary from one bike to the next but with a charged battery you should see 13+ volts at idle, 13+ to about 14.8+ with rpms @ 3000. If voltage is much higher (15-18 volts) replace the rectifier. If below 13 volts check your wire connections and re-test.

If you are not showing any charging going on while motor is running you'll need to run the diagnostics as listed in the repair manual to determine which part is bad. Most repair manuals can be found on line for download these days if you don't already have one.

It should be simple to fix, but Murphies Law does love electricity.
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November 2, 2011, 05:13 PM

yes it's my R1. I will pop on out to the garage and test the voltage. I definitely rather spend 90ish than nearly 300


2001 Kawasaki ZX6R: Yoshi slip-on
1999 Trans AM WS6, Long tubes, full exhaust, extra sexy
2006 GTO 6spd, 1 of 390 Silver, SLP LM1 (Sold)
2001 R1; blue, Yoshi slip on (sold Jan 12, 2012)
(RIP) 2000 Camaro SS
1999 Trans Am Ws6 30k miles, 6spd (sold)
1999 Camaro coupe 6 cyl (traded in after a week to get the SS)
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