oil leak

Discussion in 'Oil' started by 94HD, Sep 18, 2009.

  1. 94HD

    94HD New Member

    I have a 94 fatboy ,all of a sudden my frount rocker box is filling up with oil tell it pours out the crankcase breather and runs out the aircleaner ,have no idea why it is doing this ,anybody have any idea what might be wrong?
  2. HarryB737

    HarryB737 Junior Member

    You didn't mention if there were any other issues. Thereby I'll take a shot. With the info you provided... it being a '94 model, my 1st question would be how many miles are on the engine. If the compression is low IE worn rings, with each explosion of the power stroke it's creating more pressure that may be getting by the rings, thereby presurizing the crankcase area & pushing more oil vapor out your head breather...

    Another more simple thing to check would be the condition of the air filter. If its restricted too much it can cause more of a vaccum in the crankcase area.
    Last edited by a moderator: Sep 18, 2009