Question about 2002 Harley Davidson FXD Dyna Super Glide

3 Answers

White smoke coming out of exhaust

I currently have white smoke coming out of my exhaust. The bike lost compression, it will start but it smokes a lot. There is a rattling sound that I can hear.
I was riding it, it lost compression, shut off and then when I started it back it had hardly any strength. I brought it home and it has been sitting there.
It is a custom Harley bike 2002 with a Harley engine, looks like the Dyna. 1200CC according to the title. This is my first Harley so I apologize if I sound ignorant. If you can guide me I would appreciate it.
I am located in Fort Lauderdale, FL

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  • 10 more comments 
  • Ignacio  Montero
    Ignacio Montero Feb 05, 2009

    It is not water cooled. I have not done a compression test on it.

  • Ignacio  Montero
    Ignacio Montero Feb 05, 2009

    I have not pulled the plugs what should I be looking for?

  • Ignacio  Montero
    Ignacio Montero Feb 05, 2009

    Thank you I will take the plugs out in the next few hours.

  • Ignacio  Montero
    Ignacio Montero Feb 05, 2009

    I just pulled the plugs they are black, not soaked in oil but the plug itself is black small residue of oil, one of them in the top portion has a little amount of particles but looks like it came from...

    Excuse my language not fluent in this but the top of the plug has the arch then space then the button looking thing the outer part of the button looking thing has like a scratch where it looks like the particles on the tip of the arch came from there. I hope this helps.This plug came from the rear cylinder part. What do you mean the color of the electrodes?



  • Ignacio  Montero
    Ignacio Montero Feb 05, 2009

    Had barely any oil, I put oil cranked and now the smoke is a lot more as for power it has the same amount of power just by cranking and reving once it is strong its just the smoke could that be a seal of some sort?

  • Ignacio  Montero
    Ignacio Montero Feb 06, 2009

    Thank you, I appreciate all your feedback.



    Sincerely,



    Ignacio

  • Ignacio  Montero
    Ignacio Montero Feb 07, 2009

    Hey, I appreciate all that you guys do and I thank you all for your input. Several experts agreeing makes me be more sure of what the problem is. Thanks to all including yourself. Take care.

    Ignacio


  • Ignacio  Montero
    Ignacio Montero Feb 13, 2009

    Well, I took apart the top end of the engine and there was oil in two of the corners and the rods that are standing up I just pulled upwards and they came out I noticed they are like bolts and they were just loose. Is that my problem?

  • Brad Hurt
    Brad Hurt May 11, 2010

    Sounds like you have a valve problem

  • Brad Hurt
    Brad Hurt May 11, 2010

    Post what color the electrodes on the plugs are and what if any deposits are on them.

  • Brad Hurt
    Brad Hurt May 11, 2010

    Have you pulled the plugs to see what they look like

  • Roberta Smith
    Roberta Smith May 11, 2010

    does sound like a blown head gasket.... not sure but is that water cooled ?



    Robert

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Broken valve or valve guide

Posted on Dec 10, 2012

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  • Ignacio  Montero
    Ignacio Montero Dec 10, 2012

    Thanks, I did resolve the issue back 2010, unfortunately during my divorce December 2010 the bike disappeared and was sold by my X for $400. Either way, just in case I am rebuilding now, and I did manage to get a custom chopper that has an open belt drive, says trickshift, looks like BDL and I wanted to learn how to tighten the primary belt drive. Would you know how to do that? It would be very helpful.

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If it's sucking water into the combustion chamber i suspect the plugs will be very clean... check the engine oil ... what colour is that... and yes.. a compression test would be in order

Robert

Posted on Feb 05, 2009

  • Roberta Smith
    Roberta Smith Feb 06, 2009

    low compression and seems to be burning oil.... it appears the rings are bad or valves... sounds like the motor needs some work

  • Roberta Smith
    Roberta Smith Feb 06, 2009

    would appreciate a fixya for this as we are basically volunteers and i'm trying to get my average up... thanks



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White smoke is usually a sign of burned oil exhausting. A rattling sound would be more indicative of a broken or stuck valve than a cracked head gasket. Have you done a compression test? It's possible that what has happened is an exhaust valve has broken or is stuck in open, causing the gasses which normally create compression from combustion to escape continuously rather than build compression. The white smoke might be from bad rings, or might simply be smoke from the exploding fuel escaping directly to the exhaust. Normally on the compression stroke, the intake valve opens, allows fuel to enter and closes as the spark ignites the fumes. During that time both valves are momentarily supposed to be closed. However, with a broken or stuck exhaust valve that can't happen. Are you getting smoke from all the exhaust pipes or only one?

Posted on Feb 05, 2009

  • 1 more comment 
  • Randall LaClaire Feb 06, 2009

    As you can see from Bunnydawg's confirmation of what I already told you, odds are it's your rings and/or a valve issue. You'll definitely want to take a closer look at those two items or have a mechanic give it a good thorough once over. As with a car engine, a vacuum test might give you a little insight too, but with bikes vacuum is not as reliable of a source of diagnostics. In the case of a motorcycle a teardown and visual inspection is the best method for making this determination. Hopefully this helps.

  • Randall LaClaire Feb 07, 2009

    Not trying to start trouble here, but it's kind of lame for someone to come in here, pretty much just agree with what someone else said, then get rated the same for it. I could see if you had some original input but that's just silly.

  • Randall LaClaire Feb 07, 2009

    Ignacio, you have a point and my apologies for being short with other experts at this point. I suppose I missed that point you made, and it's a very good and valid point. Much like doctors giving second and third opinions that concur with each other. I do owe an apology for my terse comment to you other guys and gals out there. Unfortunately I've had trouble of my own. I've spent the last week working in near 0 temperatures on our family vehicle in preparation for a move, and the old adage "Fix one thing, another breaks" has been holding true. Again, sorry about that, and keep up the good work, everyone!

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