Chaging problems - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
Includes Electrical mods, Lights, Stator,
Rectifier, Diagrams, etc

 
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post #1 of 7 (permalink) Old 08-20-2011, 06:06 PM Thread Starter
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Unhappy Chaging problems

I have a 85 VN 700 That I puchased 2 months ago. It has a gel battey that was installed last year and iridium plugs.Last week the ground terminal came loose and battery went dead, I charged it and was ok for 2 days then when I went to start in morning it just clicked. Charged again and went to work,dead again. It runs ok till I shut it off then no start. I cleaned all connections then it ran ok for a day then dead again. Checked battery with a meter and had 12.13v,started bike and at idle had 12.18 v. As I throttled up meter reading went up to about 12.70v at 4000 rpm. went for a 5 mile ride and shut off and no start. I need bike to get to work.
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post #2 of 7 (permalink) Old 08-20-2011, 07:41 PM
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Have the bat checked at the local parts store. It could be that the bat going dead has killed it totally.

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post #3 of 7 (permalink) Old 08-21-2011, 01:03 AM
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Quote:
As I throttled up meter reading went up to about 12.70v at 4000 rpm. went for a 5 mile ride and shut off and no start.
That`s low voltage for 4K rpm. It should be up around 14+ volts.

Sounds like the r/r or stator are failing.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html
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post #4 of 7 (permalink) Old 08-21-2011, 09:36 AM
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I would have bat checked B4 any tear down is done.

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post #5 of 7 (permalink) Old 08-21-2011, 06:49 PM Thread Starter
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Update

I tested the 3 wires from stator for resistance using digital meter set at 200
results :
1-2 = .8
1-3 = 1.3
2-3 = 1.3
PLEASE TELL ME I DON'T NEED STATOR !!

I put battery on 2 amp charge and will leave on overnight.When I checked it after 2 hrs it said fully charged so i checked with meter as it was pulsing and was at 14.4v , as pulse stopped, readings slowly started to drop. Is this normal ?
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post #6 of 7 (permalink) Old 08-21-2011, 09:41 PM
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Quote:
Originally Posted by niteowls59 View Post
I tested the 3 wires from stator for resistance using digital meter set at 200
results :
1-2 = .8
1-3 = 1.3
2-3 = 1.3
PLEASE TELL ME I DON'T NEED STATOR !!

I put battery on 2 amp charge and will leave on overnight.When I checked it after 2 hrs it said fully charged so i checked with meter as it was pulsing and was at 14.4v , as pulse stopped, readings slowly started to drop. Is this normal ?
check your R/R first.. then the stator.
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post #7 of 7 (permalink) Old 08-21-2011, 09:57 PM
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When checking the stator, Check each wire of the stator to ground also. Engine off, meter set to ohm's, one meter lead to one stator wire and one meter lead to ground. If any of these leads read ohm's to ground, the stator has a ground in the windings or the leads and will not charge. Got to be replaced. You can also take a lamp with a 100 watt bulb (non florescent)and hook it to 2 of the three wires, just as you did with the ohm meter, and if the stator is good it will light the bulb with the engine running at a 3000+ rpm's.

Last edited by Chuck A.; 08-21-2011 at 10:01 PM.
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