Article by Freewheeler of the XLFORUM ¹⁾

• Lay the bike over on it's side on a sheet or blanket for protection.
• Slip some plywood under the sheet if your on asphalt or concrete to keep from scratching things.

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• Using a drill with a handle will help keep the hole square. The hole needs to be good and straight for the new plug to seal.
• Before drilling, the hole was packed with grease and a small piece of stainless was put on the other side to keep from drilling
  anything and (hopefully) stopping some of the chips from falling further into the engine. ⁴⁾

• This Helicoil kit (1/2“ UNF) was used. ⁵⁾

• Tapped straight, cleaned up with the Helicoil installed. ⁶⁾
• With a pair of extremely sharp cutters, a couple of turns were cut off the insert before winding it into the case to shorten it.⁷⁾

• The new drain plug was fabricated using an ordinary bolt (1/2” UNF) and a spare magnet.
• The end of the bolt was drilled out and the magnet was glued in with some impact adhesive.
• Finished it up with a copper washer on the bolt (not pictured). ⁸⁾