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Author Topic: Anyone know test procedure for 06 and up three phase stator?  (Read 5156 times)

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Twolanerider

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Anyone know test procedure for 06 and up three phase stator?
« on: January 15, 2012, 09:44:03 PM »

Only 06 and up manual I've got is a Clymer.  It says nothing about actually testing the stator.  Did what the function of the part itself suggests but if someone knows more or can correct anything I'm doing wrong I'd appreciate it.  

On the 2000k scale get .25 measuring across any pair of the three legs coming out of the stator.  Same measure on every pair.  At idle get 23.2 to 23.22 volts across any pair of the three legs coming out of the stator.  Even measurements across each pair.

Would like to see if it puts what I'd expect to be mid 30s around 2000 RPM and 45-50 at higher RPM.  But didn't have enough hands and arms to run the throttle and use the meter under the bike.  Couldn't find the clips for the meter's probes.... Dammit.

I think the readings so far suggest this is a good stator.  With any other similar winding it would.  If anyone is more familiar with these things and would share the beer will be on me.
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porthole

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Re: Anyone know test procedure for 06 and up three phase stator?
« Reply #1 on: January 15, 2012, 10:32:36 PM »

Well I can't really help you on this, but I am willing to share the beer  :drink:
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Sklywag

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Re: Anyone know test procedure for 06 and up three phase stator?
« Reply #2 on: January 16, 2012, 09:56:45 AM »

Just went throught thi smyself.  @ of the legs were fine, one leg never produced more than 6vac, bad stator.

Here is the process, hope this helps

AC Output Check:
Unplug the regulator plug from the stator
Start motorcycle and change Voltmeter to AC volts.
Probe both stator wires with your meter leads.
The motorcycle should be putting out approximately 18-20 ACV per 1,000 rpm. (Reading will vary depending on system, check service manual specification)
Generic Specs:
22 amp system produces about 19-26 VAC per 1,000 rpm
32 amp system produces about 16-20 VAC per 1,000 rpm
45 amp system produces about 19-26 VAC per 1,000 rpm
Stator Resistance Check:
Switch your multi meter to Ohm x 1 scale.
Probe each stator wires with meter leads and check resistance on meter.
Resistance should be in the range of 0.1-0.5 Ohms. (Reading will vary depending on system, check service manual for specification)
Generic Specs:
22 amp system produces about 0.2 to 0.4 ohms
32 amp system produces about 0.1 to 0.2 ohms
45 amp system produces about 0.1 to 0.2 ohms
Stator IB test or Ground Check:
Switch your multi meter to Ohm x 1 scale.
Probe each stator wire with your positive lead on multi meter and the negative to ground.
There should be no continuity to ground on either wire.
If there is continuity to ground your stator is shorted to ground.
5. Regulator Test: Each of the following tests isolates the regulator only, so if any of these tests fail, the regulator is at fault.

Identifying Wires:

Battery Charge Lead- Wire going from regulator to battery positive.
AC output leads- Wires coming from the Stator to regulator.
Ground- Wire from Regulator to ground or regulator may be grounded via the physical bolting to chassis.
Regulator Ground Test: Insure the regulator body is grounded or grounding wire is fastened tight to a good ground (you should verify this by checking continuity from regulator body to chassis ground).
Fwd/Reverse Bias Test/Diode Test: This check is testing the Diode function to ensure it is regulating the AC current for the stator into DC Current.
Switch multi meter to Diode Scale.
Place your Multi meter positive lead on each AC output wire.
Place your multi meter negative lead on the battery Charge wire.
The meter should read voltage typically around .5 volts.
Next, switch your multi meter leads putting the negative lead on the AC output wires and the Positive lead on the Battery Charge Wire.
The reading should be Infinite.
With your meter on the same setting, place your multi meter positive lead on the regulator ground wire or to the regulator directly, and then place your meter negative lead on the AC output leads.
The meter should read voltage typically around .5 volts.
Next, switch your multi meter leads putting the negative lead on the regulator ground and the Positive lead on the AC output wires.
The reading should be Infinite.
Note: Below is a table to show the readings:
Positive Lead Negative Lead Reading
AC output 1 Battery charge lead Voltage
AC output 2 Battery Charge Lead Voltage
Battery charge lead AC output 1 ∞
Battery charge lead AC output 2 ∞
Ground AC output 1 Voltage
Ground AC output 2 Voltage
AC output 1 Ground ∞
AC output 2 Ground ∞

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Twolanerider

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Re: Anyone know test procedure for 06 and up three phase stator?
« Reply #3 on: January 16, 2012, 10:28:18 AM »

Thanks.  That's the checklist for the pre-06 systems.  The post-06 system is a three phase stator so, while the same general type of system, the specifics will vary.
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Twolanerider

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Re: Anyone know test procedure for 06 and up three phase stator?
« Reply #4 on: January 16, 2012, 10:35:57 AM »

Brad just nailed the specs specific to the three phase.  Should anyone ever need them:

Check AC should output approx. 34-40 volts AC at 2000 RPM from say A-B B-C A-C. Should Ohm at 0.1-0.3 from A-B B-C A-C if greater than 1 Ohm then Stator is open. Also check to ground A B C to ground should be open no continuity.

This from the 09 Electrical Manual.

 :bananarock: :bananarock:

Brad
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