Question about 2005 Harley Davidson FXDWG - FXDWGI Dyna Wide Glide

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Engine vibration,new motor mounts,and stabilizier,94dwg help!

Vibration happens at good cruising speeds, this bike is a 1994 dyna wide glide with a 96inch in it, it never was this bad, the bike was a pretty smooth bike was loving it, now it's loosing parts, shaking itself apart. The vibration feels just like a harmonic balancer gone bad on a v-8.

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  • T.J. LUYSTER Jul 05, 2010

    was built, using the stock block about 10,000mi ago, was working real well,strong and nice and tight,smooth, than the end of last summer it started where you could not keep your feet on the pegs,lost sissy pad,chrome covers,broke exhaust hanger bolt. I was wondering if the magnets on the stator came loose, and created it to be unbalanced?

  • T.J. LUYSTER Jul 05, 2010

    i've already did both mounts, and the stabilizer, checked the rotor thats all new. the bike has a 3" BDL on it, would the belt be the cause?

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Ok, that's better. This is an engine that has run well before but now something is wrong.

I could be a magnet on the stator but usually they'll make a loud knocking noise. But one magnet could have come loose and simply moved. The only way to find out is to pull the primary and the stator. It's much easier to do on that bike than it is a Shovelhead in that you do not have to pull the inner primary. If you find this to be the problem and you replace the rotor, make sure you check the rotor for good magnetism. Don't laugh, we installed on a few weeks ago and the alternator would not generate any electricity. Turned out the rotor magnets didn't have enough magnetism. You could tell by holding a screwdriver to the magnets, the new one just didn't hold the screwdriver like it should have. Installed the old rotor, everything was fine. Harley had a problem with a batch of them and they don't know where they're all at so check it out before you install it.

Also, with that many miles on the bike, you need to check the motor mounts, both front and rear. The rubber will seperate from the metal parts of the mount. Check the upper stabilizer link as well. Check the primary chain adjustment as well.

As long as the engine is running properly and not making a noise or missing, this is the only thing I can think of at the moment.

Good Luck with it.
Steve

BTW: I've got a '94 Wide Glide. I love it. Wouldn't trade it for a brand new Softail.

Posted on Jul 05, 2010

  • wd4ity
    wd4ity Jul 05, 2010

    I don't think the belt would cause it unless there was a lot of slack in the belt causing it jump up and down a lot in the middle of the top run. Now, it could be the front pulley is loose or the bearing in the clutch is bad. Since there is no lubrication in the primary anymore, the large bearing in the outer clutch drum could be going bad. I'd take the belt off and check the front pulley to see if it was tight and disassemble the clutch to check the bearing in there as well. Also the bearing in the inner primary that supports the mainshaft. Most of these bearings depend on the oil in the primary for lubrication and since you no longer run oil in the primary, this could be a problem. Even if the bearings are sealed units, I'd check them just the same.



    Try to locate the vibration by pulling in the clutch at highway speeds. Does the vibration change or go away? Touch the front brake or the rear brake and see if anything changes. Do whatever you can think of to try to get a change in the vibration. This may help you locate the source.



    Steve

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