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73 ironhead

Discussion in 'Pull up a chair and sit for a spell' started by Rebelrick28, Jun 11, 2013.

  1. Rebelrick28

    Rebelrick28 New Member

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    anyone good with troubleshooting a 73 ironhead got one started back firing through exaust. also need help ajusting s&s super b carb on bike and battery wont stay charged it had a dead cell in it put new one on rode fifty miles drained battery wont kick back up. was told anytime u have battery off or sat awhile u had to polarize the generater
    Rebelrick28, Jun 11, 2013
    #1
  3. cowboy

    cowboy Moderator Staff Member

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    Welcome ,I would first start by fixing the short , & go from there , have you checked the brushes in the gen yet ?
    cowboy, Jun 11, 2013
    #2
  4. Rebelrick28

    Rebelrick28 New Member

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    havent checked nothing was going to get imput on here first then start checking it all
    Rebelrick28, Jun 11, 2013
    #3
  5. Lucifer

    Lucifer Well-Known Member

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    Backfiring through the exhaust could be from a too rich mixture and unburnt fuel is igniting in the exhaust pipe...

    S&S quick guide...

    S&S Cycle | Carb Quick Guide
    Lucifer, Jun 12, 2013
    #4
  6. cowboy

    cowboy Moderator Staff Member

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    Rebelrick do you have a service manual for your bike ,if not find one ,it's been a long time since I had a sporty & it was a 68 900 XL , when the gen went south it started to eat batterys & back fire a bit lost of on time spark ,I don't know crap about the S&S carb , :eek:
    cowboy, Jun 12, 2013
    #5

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