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

Thread: Is my Stator Dead? Reply to Thread
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  Topic Review (Newest First)
11-19-2005 09:29 AM
Dianna
Re: Is my Stator Dead?

*L* And a few gals too..
It's so easy.. even a girl can do it! well.. yes, with a little help is swinging the engine clear to lift the stator cover off, and a step by step instruction sheet and.. ummm.. a free weekend. But it can be done.
11-18-2005 01:45 PM
Allan(Flash) Gordon
Re: Is my Stator Dead?

13.5 Volts at crusing rpm (5000 - 7000) is not enough. One of the windings in the stator is more than likely shorted to ground....leaving two working. The short to ground is near where the wire on the stator is beginning its turns around the poles.....that's why the resistance check passes.

That stator thing is an agrivating problem with the VN-750. You're getting ready to do some serious repairs on your bike. Or somebody is ! Not a good thing to hear is it.....the engine has to come off to fix it. Big $$$$bucks in the dealership shop. I did my own.....I will give you pointers....and there are lots of guys on here that have been in your shoes.

I looked at it this way.....It's mine....I ride it....I should fix it.

Allan (Flash) Gordon
09-19-2005 07:45 PM
Alkb
Re: Is my Stator Dead?

Hey Dianna,

Thanks alot, I have had this bike all of a week and I think you hit it right on the head. When the bike is hot I just have to hold the starter button down a second or two longer for the bike to finally crank up. At first I had thought it was an electrical problem but appearantly if I just hold the starter a bit longer she turns over. I am going to have to get a manual before I dare to start on changing the coil, sounds a little complicated. Thanks for the quick response to my answer though much appreciated,

Al
09-19-2005 08:40 AM
Dianna
Re: Is my Stator Dead?

One thing to check/try first with a warm starting problem. Many have had good results with this
(From the files of the vn750 yahoo group)

Possible solution to hard starting your VN7XX when hot.

Problem: Once my bike was good and hot, I would pretty regularly have problems restarting it after shutting it off for refueling, etc.... Once the starter was engaged, the bike would continuously turn over but never fire. After some e-mail discussion with Gary Versteegh from the main VROC board, I adjusted my pick up coils as described below. This seems to have eliminated my hard starting problems. This procedure may or may not solve your hard starting problems. Also, please note that the pick up coils are not designed from factory to be adjustable. This procedure requires modification to the stock components.

If you have any question, feel free to send me an e-mail to [email protected]. I will be happy to answer any questions.

Adjustment of pick up coils.
Remove the 3 phillips head screws on the left side. This will allow you to remove the pick up coil cover. You will need to place something under the bike to catch the oil although oil loss will be minimal. A rag was enough for me. Once the screws are removed, the cover should either come right off or you may need to pull on it. Mine was on pretty good and I had to physically pull on it to get it loose. The three screws and the cover all have separate o-rings. Once the cover is off, you will see the two pick up coils mounted to the stator cover inside two holes. They are mounted at roughly the 9:00 and 11:00 o'clock positions. Behind the stator cover, there is a rotor. You may need to rotate the rotor using a socket wrench on the shaft bolt in the center to align the small "plate" on the rotor with one of the pick up coils so that you can measure the clearance. Once you have measured one, rotate the rotor again so that you can measure the other. Gary recommends .020 clearance. Mine were about .030 or more. To adjust the clearance, remove the two screws which secure the pick up coils to the stator cover. You will most likely need to slightly elongate or slot the holes in the "ears" of the pick up coil mounting brackets. Gary indicates that a chain saw file works well for this but I used a rotary tool with a small grinding wheel on it. You will also see that there are 3 small protrusions coming out of the stator cover that each of the mounting
"ears" of the pick up coils fit into for proper placement from the factory. You will most likely have to knock the one closest to the center off to be able to make the necessary adjustment. A sharp chisel works well for this although you may want to cover the holes in the stator cover with something to prevent the little piece from falling inside the engine. Once the protrusions are knocked off and the holes are elongated, it is time to put the pick up coils back on. Set them back in their holes and start the screws. Place your .020" feeler gauge between the coil and the rotor "plate" and tighten the screws. Once you are satisfied with the clearance, tighten down the screws and do the same with the other coil. Gary recommends that you use both an impact screw driver and lock tite on the screws. I don't have an impact driver but I did use lock tite. Once both are set, put everything back together and test it out. I don't have a digital camera or I would have taken and posted some pics but you can look through the pictures in the Clymer's manual to get an idea of what I am talking about. In my manual (I assume they are all pretty much the same) the pictures on pages 296 to 302 should give you an idea of what I am talking about.
09-18-2005 09:52 AM
Alkb
Is my Stator Dead?

I have a 2002 Kawasaki Vulcan 750 wtih 5k miles on it. I Bought it used and it had sat up for a while and the guy I bought it from told me the battery needed to be replaced, I charged it, found it ran fine and left it at that, a couple of days later I put about 50 miles on it, stopped at the store and could not get it to start again. I put a new battery in and it started right up. Now it seems that whenever the bike is cold it will start up fine, but after I ride for about 10-15 minutes and turn it off it doesnt want to start again until I let it cool for about an hour. After I let it cool I can see the headlight dim even as I get it started and that lasts for a few seconds. I took the bike down to autozone and had them put a voltmeter on my battery, at idle it shows a little over 12 and shoots up to 13.5 when i rev to about 3500 rpms. I have replaced the plugs, and ran seafoam through the gas to rid of any water, etc.. Please shed some insight on this, e-mail address is [email protected], thanks
Al

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