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1991 FXLR disaster

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Old Mar 26, 2014 | 12:35 AM
  #1  
THATGUYSPIKE's Avatar
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Default 1991 FXLR disaster

I was hopping I could pool you all for some ideas. I'm by no means an awesome wrench but I can read my shop manual and get by 99% of the time. I started the bike and I rode home from work yesterday no problems. Bike was running like a champ. I pulled into the driveway and did an oil change. Went to start the bike to make sure nothing was leaking and all I got was the clunk of the jack arm moving and the engine wouldn't turn at all. Put the battery on the charger just in case it drained somehow, same problem. Put the bike in fifth and tried to roll it forward with the plugs out, no joy there either. Pulled the primary cover today to see what was going on and I found this disaster in the attached photo. I use ATF in the primary but what I drained looks like the crap that comes out of my 7.3 Powerstroke after 15,000 miles and I changed the fluid under 7,000 miles ago. Lots of metal shavings in there. Problem now is I can't see where all these shavings came from and the started is engaging but won't turn the engine as you can see in this video
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http://youtu.be/UhsQOrpPlHk
. Any ideas what kind of wallet burning fun I have got myself into? Thanks in advance.
 
Attached Thumbnails 1991 FXLR disaster-primary-disaster.jpg  
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Old Mar 26, 2014 | 12:50 AM
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That looks like the crank isn't spinning. Can you put a socket on that nut on the crank and move it?
 
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Old Mar 26, 2014 | 12:58 AM
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I don't think I have a socket that big handy. I think you are right though since I can't move the bike in 5th with the plugs out and that was easy to do when I did the static timing for my ignition. Now the thing only has about 1cm of play front and back when in gear before I can't move anymore.
 
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Old Mar 26, 2014 | 05:41 AM
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My first guess is that a stator bolt backed out and ate your rotor.
 
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Old Mar 26, 2014 | 06:44 AM
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That front sprocket looks a bit buggered from this angle....Are you sure that she was not running dry or very low on fluids? Your going to have to pull the insides out as odds on the clutch bearing will be shot to chit with all that stuff flying about.

Looking at your video the clutch seems to be moving freely, so its pointing to your stator being the culprit.

Its not a complicated rebuild at all so do not strees about it.
 

Last edited by GraemeR; Mar 26, 2014 at 06:50 AM.
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Old Mar 26, 2014 | 07:16 AM
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As to the big socket(s). I went to Harbor Freight some time back and bought the 3/4 inch drive standard socket set for cheap (on sale/cupon). It's not SnapOn but, it does the trick every time. The whole set is less than a couple of Craftsman sockets. The wratchet handle is awful but, it works for the occasional user.
 
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Old Mar 26, 2014 | 07:30 AM
  #7  
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I'd suggest...

Didn't see the video until after I posted.

Boys, she's locked up! The crank is Not budging with the starter. I suspect the all the crap is from the alternator too (since the PC shoe is still there). Need that crank nut socket!
 

Last edited by Mcathcart; Mar 26, 2014 at 07:41 AM.
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Old Mar 26, 2014 | 08:32 AM
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my guess would be the alt magnet exploded Y it did that might be a real issue -- you need to remove 2 nuts the front sprocket nut is 1 1/2 inch try and get a 6 point and an electric impact can be rented if you do not have a air compressor and impact wrench - you will need to turn this one counterclockwise to remove

under the clutch adjustmant screw is a nut ( i think its 1 3/16 ) i will look today and it removes clockwise < yep it has a reverse thread

you can then take the chain with front sprocket and the clutch hub off as an assembly

to Me it looks as if you have ground up magnet material covering everything - seen this before it is a thing to clean
 
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Old Mar 26, 2014 | 12:35 PM
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Originally Posted by GraemeR
That front sprocket looks a bit buggered from this angle....Are you sure that she was not running dry or very low on fluids? Your going to have to pull the insides out as odds on the clutch bearing will be shot to chit with all that stuff flying about.

Looking at your video the clutch seems to be moving freely, so its pointing to your stator being the culprit.

Its not a complicated rebuild at all so do not strees about it.
Fluid levels where all good. I'm over obsessive about fluid levels and condition. I even got a primary cover with a window so that I can keep an eye on the levels. Funny thing is the fluid was still blood red when I fired her up to ride home from work. My commute is 30-45 minutes at 70-85 mph on open desert highway.
 
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Old Mar 26, 2014 | 01:13 PM
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That swarf does look like mine did when it ate a magnet off the rotor, but it sounded like a gypsy wagon on a cobblestone street before I got it shut off. Drag pipes didn't drown the sound out. Once you get the right tools, disconnect negative battery cable, remove the spark plugs, loosen up the adjuster on the primary chain and see which moves, clutch or rotor.
 

Last edited by Lakerat; Mar 26, 2014 at 01:22 PM.
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