---------------------------------------------------------- RotaxEngines-List Digest Archive --- Total Messages Posted Wed 03/29/06: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 07:46 PM - 91X Spark Plug Hole Thread Repair (Horizonspace@aol.com) ________________________________ Message 1 _____________________________________ Time: 07:46:32 PM PST US From: Horizonspace@aol.com Subject: RotaxEngines-List: 91X Spark Plug Hole Thread Repair Has anyone ever had the spark plug hole thread repaired in a 912 or 914 head? What has been your experience? Which is better? Heli-Coil or Timesert? I know that Rotax recommends replacing heads with spark plug hole thread damage but at over 1000 USD a head there has to be another solution.