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Thread: Testing for a seized motor

  1. #1
    Join Date
    Jun 2008
    Location
    Michigan
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    3,265

    Default Testing for a seized motor

    If I look at a used bike that is not running what is the easiest way to check to see if the motor is seized?
    Money won is twice as sweet as money earned.

  2. #2
    Join Date
    Sep 2010
    Location
    Hell, MI
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    Default

    My favorite way is removing the spark plugs (or not) and pushing the bike with the trans in gear.

  3. #3
    Join Date
    Oct 2009
    Location
    Marine City, MI
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    Default

    or spin the crank
    or give the kicker a shot

  4. #4
    Join Date
    Sep 2010
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    Hell, MI
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    Default

    Turning the crank by hand is the most reliable way ;p

  5. #5
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    Jun 2008
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    So if I put it in gear and roll it it's going to roll weather the engine is seized or not right? The thing is the bike has a full fairing and it'll be a pain to pull it off to get to the plugs. I want to check it quick.
    Money won is twice as sweet as money earned.

  6. #6
    Join Date
    Sep 2010
    Location
    Hell, MI
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    142

    Default

    If the engine is seized then the bike won't roll in gear without overcoming the clutch.

  7. #7
    Join Date
    Aug 2008
    Location
    Brownstown, MI
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    16,618

    Default

    Quote Originally Posted by Bob View Post
    So if I put it in gear and roll it it's going to roll weather the engine is seized or not right? The thing is the bike has a full fairing and it'll be a pain to pull it off to get to the plugs. I want to check it quick.
    If this is the case you're looking at the wrong motorcycle. All your Harleys spark plugs will be easily accessed.
    ^^My $0.02 not yours^^
    -Chris
    aka Gas Man

    "Why pay somebody else to fuck up your bike?"
    "Custom don't bolt on!"

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