Stator problem - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Where does this wire go?
Includes Electrical mods, Lights, Stator,
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post #1 of 21 (permalink) Old 05-17-2014, 12:53 PM Thread Starter
Crowley
 
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Stator problem

Riding today, I had nightmarish things happen to me. Running out of gas, I got gas just in time. 2 miles after, it choked and died, and I was able to pop start it in first since I was rolling. In the next ten miles, I dealt with bouts of clean running mixed with bad engine coughs and sputters, with a hell of a wacky tachometer.

Got home, and battery is at 12.5v, but doesn't go over 13 when revved up to 5k. I'm getting 30 amp readings from the stator-r/r connector (unplugged from the r/r) across each combination at idle. I'll go out now to check resistance.

Edit - on 200 ohm setting, touching the voltmeter leads together gives me 21 ohms. Each combination of stator wires (testing at the connector previously mentioned) starts at 150 ohms and drops down to high 90s. I switched it over to that strange arrow with a line setting (continuity maybe) and got around 150.


It's a tpe stator, I wonder what is happening......

Also note, after opening the oil cap, i get light, wispy white smoke.

Last edited by crowley1027; 05-17-2014 at 01:02 PM.
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post #2 of 21 (permalink) Old 05-17-2014, 01:19 PM Thread Starter
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post #3 of 21 (permalink) Old 05-17-2014, 02:17 PM
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What is the actual AC voltage on each leg? Does any of the legs ground ground out (engine off, etc) - check resistance to the frame/ground.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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post #4 of 21 (permalink) Old 05-17-2014, 05:43 PM Thread Starter
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Great news - I guess the r/r plug shook loose a bit during the hundreds of miles. I did some tests, plugged it back in and voila, I got almost 14v at 3k rpm. 60amps at 3k too.

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post #5 of 21 (permalink) Old 05-17-2014, 07:06 PM
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60 amps, wow! that's one hell of a stator.... but I suspect your stator is putting out less than 35 amps. Factory stators are rated for 27 amps and TPEs do a little better.

Glad it was just your plug and not a bad wind on the stator.

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post #6 of 21 (permalink) Old 05-20-2014, 08:25 AM Thread Starter
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Could this issue be from a bad ignition switch? Bad r/r?

Updated info: when the bike goes wonky, the tachometer drops instantly to 0. Sometimes with the "hiccups", it goes 300rpm higher like I blipped the the throttle super fast.

Riding the other day it died out fast, not much sputtering (although for 5 minutes before this, it coughed down the road).... I tried to restart with no luck - it wouldn't even turn over.

Wiggle of the key, and it started right up and didn't complain for the next 45 miles.

I'm hesitant to believe the sporadic cutouts and lack of battery charging can be the ignition switch... Well I know that the ignition switch won't affect charging.... I don't know......

Sigh.

Last edited by crowley1027; 05-20-2014 at 09:18 AM.
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post #7 of 21 (permalink) Old 05-20-2014, 12:26 PM
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Sounds like a keyswitch issue ,there are a couple of write ups on taking it apart cleaning and repairing on here. Maybe a sticky .If not there should be one,it is a known issue. Good luck, you have more than likely found your problem Nate.




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post #8 of 21 (permalink) Old 05-20-2014, 01:43 PM
..have a vulcan good day!
 
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Quote:
Originally Posted by denny6006 View Post
Sounds like a key switch issue ,there are a couple of write ups on taking it apart cleaning and repairing on here. Maybe a sticky .If not there should be one,it is a known issue. Good luck, you have more than likely found your problem Nate.
x2 - same here


'86 VN750 13,700 mi -Stock
-Purchased 2008 w/8800mi
Replaced ALL Cables . Kuryakyn LED Voltmeter
SilverStar Ultra 9003/HB2 H4 Headlamp, Jardine Fwd Controls,
Iridiums DPR7EIX-9 & Wires, Tuxedo Mod, Coil Mod, P/U Sensor Mod, Fork Seals,
Splines Lubed - 11/4/2012 - MF AGM Battery
Additional Flashing LED Brake Light on Trunk
Dampers went out @ 13+K !
After TOC MCCT's..... so amazingly quiet I discovered a rattling heat shield on my stock exhaust !
...have a vulcan good day!

Last edited by WilliamTech; 05-22-2014 at 05:04 PM.
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post #9 of 21 (permalink) Old 05-20-2014, 03:42 PM
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Might also want to check your fuses...

------------------------------
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Current Ride: 1995 Vulcan 88 (1500A9)
Purchased Dec. 2014
approx. 6,800 miles

Previous Bike: 2000 VN750 "Glory"
With homemade stator
Details on stator build here

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post #10 of 21 (permalink) Old 05-22-2014, 02:54 PM Thread Starter
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Don't want to jinx myself, but I cut the r/r connector and the respective 6pin from the harness, spade connected them all, shrink wrapped them and taped them....

Haven't seen a problem yet.
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