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Repair cracked Sportster engine case?

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  • Repair cracked Sportster engine case?

    Does anyone have a filler rod suggestion for welding on a Sportster engine case? Would 4047 be the best material? Thanks, Terry
    Terry
    Portland, OR

  • #2
    I weld them all the time with 4043 wire...Bob
    Bob Wright

    Spool Gun conversion. How To Do It. Below.
    http://www.millerwelds.com/resources...php?albumid=48

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    • #3
      I've done one with 4043
      Miller Trailblazer's ( 2 )...MillerBobcat 250...Millermatic 251's ( 2 )...Miller Syncrowave 200...Miller Syncrowave 180SD...Miller 12VS Suitcases ( 2 )... Hobart Hefty CC/CV Suitcases ( 2 )...Miller 30A Spool Guns ( 2 )...Miller WC 15A Control boxes ( 2 )...Thermo Dynamics Cutmaster 50 Plasma Cutters ( 2 )...Thermo Arc Hi Freq Units ( 2 )...Smith / Victor O/A Sets...DeWalt Power Tools...Craftsman / Snap On Hand Tools... Two Dodge Mobile Rigs

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      • #4
        The broken casting

        Thanks AAMETALMASTER & Old Skool for the tip on 4043. I'm brand new to the forum. I sure do appreciate your feedback!

        Here's a picture of what I'm trying to repair. Unfortunately I do not have the missing section of the case/motor mount that cracked off. I planning to clean up the break with a large holesaw to give me a clean circular edge, then TIG weld in a new circular piece of aluminum billet (6061) that will match the radius. Any opinions?
        Attached Files
        Last edited by fromttt; 05-31-2011, 11:05 AM.
        Terry
        Portland, OR

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