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Old 09-06-2011, 09:24 AM   #1
yak
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2006 GSXR 750 Stator/Rectifier woes!

OK, I've had this problem with my 06 750. Before you continue...please don't just say rectifiers have been known to go out on this year bike. I already know that. I've been trouble shooting. I followed the service manual trouble shooting guide and would like some help/confirmation.

First I will say I think its my stator (and possibly battery) that is bad.


What happened was, I was riding for an hour. I parked at a store and went in to get a drink, came out, and my bike would not start. I push started it. Ran jumpy for a couple of blocks. My tach went dead and my bike started lugging. I coasted to a stop. Took the bike home, charged it full on my tender, rode around for about 30 minutes and went home...killed bike..it wouldnt start again. Battery was dead.



Here is the trouble shooting guide from the service manual. Service Manual Charging System

Fully charged my battery.


1. Checked for current leak (check was ok)

2. Measured regulated voltage (12.3v across terminals at 5k rpm) LOW**
a. This indicates a bad battery according to the manual
b. Battery is OEM from 2006, which makes it over 5 years old.

3. Measured the resistance in ohms between the 3 stator wires. (over .2 ohms per lead between ALL wires) OK

4. Generator No Load performance (0 readout between ALL wires) NO V generated

5. Reg/Rectifier according to the chart on page 425 in link above..tester to Diode test....measured the V between all of the leads according to that chart. not a single lead was out of spec. All of them produced readouts in the range listed on the chart.



After following this guide, I have concluded my stator is bad.

Any thoughts?

Should I just replace the stator and the Battery?
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Old 09-30-2011, 03:14 PM   #2
yak
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ok, I fixed my issue. I just wanted to update everyone the fix for my problem. That way if anyone searches for the same problem...there will be some follow up info on this. All the threads I looked for typically leave incomplete work..or unfinished...and didnt follow up.

So..my problem was my Stator. I followed the troubleshooting steps in the service manual...and the stator was the only step that wasnt passing as far as voltage/resistance readings on my multimeter.

For anyone considering to do this on their own...it is not difficult at all. Really not that much more difficult than an oil change (which will be done when you swap your stator anyway). On a difficulty scale of 1-10...Id give this one a 3 maybe.

Id also recommend replacing your battery (unless it has been done recently) if your stator gets replaced. Especially if its like 5 years old.

yesterday I finally got around to replacing the stator and here is what I found when I opened up the casing.


IMG 20110929 163756
IMG 20110929 163803IMG 20110929 164633
IMG 20110929 164649
IMG 20110929 165734
IMG 20110929 170346
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Old 09-30-2011, 04:12 PM   #3
bluewave18
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nice write up
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Old 09-30-2011, 09:35 PM   #4
fastcar302
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Good job troubleshooting. Just so you know, you don't have to drain the oil out of the bike before removing the stator cover, or the clutch cover for that matter, because the oil level is below them.
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Old 10-03-2011, 09:01 AM   #5
yak
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Quote:
Originally Posted by fastcar302 View Post
Good job troubleshooting. Just so you know, you don't have to drain the oil out of the bike before removing the stator cover, or the clutch cover for that matter, because the oil level is below them.
oh..I knew..I needed the oil changed though...my bike has been garaged for about 4-5 months..and it had over 2k miles on the oil..so I went ahead and did it too.

Thanks for the advice. Next time I wont drain oil if its not due to change. .
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